Attachment 114980 Details for Bug 89965 – dmesg after the error

dmesg after the error

dmesg_2015_04_09.log (text/plain), 251.56 KB, created by Frederic Romagne on 2015-04-09 12:17:23 UTC

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Filename:

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Creator: Frederic Romagne

Created: 2015-04-09 12:17:23 UTC

Size: 251.56 KB

patch

obsolete

>[ 3835.476235] Call Trace:
>[ 3835.476237]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.476239]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.476254]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476257]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.476272]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476280]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.476281] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.476286]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.476293]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476297]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476301]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.476306]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.476310]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476315]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476319]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.476334]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.476352]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.476355]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.476357]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.476360]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.476363]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.476365]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.476368]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.476370]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.476372]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.476375]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.476378]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.476380]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.476383]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.476385]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.476388]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.476390]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.476393]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.476395]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.476398]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.476401]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.476404]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.476407]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.476409]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.476412]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.476414]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.476417]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.476420]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.476421] ---[ end trace a214ee23831c7080 ]---
>[ 3835.476424] ------------[ cut here ]------------
>[ 3835.476425] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.476441] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.476442] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.476457] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.476458] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.476459]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000003c
>[ 3835.476461]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.476463]  ffffffffa00317cf ffff88041c6f0468 ffff88041c6f0400 ffff88041c6f0468
>[ 3835.476465] Call Trace:
>[ 3835.476467]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.476470]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.476485]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476487]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.476502]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476507]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.476512]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.476516]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476521]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476525]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.476529]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.476534]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476538]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476542]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.476558]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.476576]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.476578]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.476581]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.476584]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.476586]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.476589]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.476591]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.476593]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.476596]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.476599]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.476601]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.476602] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.476607]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.476609]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.476612]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.476615]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.476617]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.476620]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.476622]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.476625]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.476628]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.476631]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.476633]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.476636]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.476638]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.476641]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.476644]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.476646]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.476648] ---[ end trace a214ee23831c7081 ]---
>[ 3835.476650] ------------[ cut here ]------------
>[ 3835.476665] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.476666] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.476680] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.476681] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.476682]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000051
>[ 3835.476684]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.476686]  ffffffffa00317cf ffff88041c6f1068 ffff88041c6f1000 ffff88041c6f1068
>[ 3835.476688] Call Trace:
>[ 3835.476690]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.476692]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.476708]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476710]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.476725]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476730]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.476735]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.476739]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476743]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476748]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.476749] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.476754]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.476760]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476764]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476768]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.476784]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.476802]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.476804]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.476807]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.476810]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.476812]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.476815]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.476817]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.476819]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.476822]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.476825]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.476827]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.476830]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.476832]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.476835]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.476838]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.476840]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.476842]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.476845]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.476848]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.476851]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.476854]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.476856]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.476859]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.476861]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.476863]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.476866]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.476869]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.476871] ---[ end trace a214ee23831c7082 ]---
>[ 3835.476873] ------------[ cut here ]------------
>[ 3835.476889] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.476889] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic
>[ 3835.476897] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.476899]  libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.476907] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.476908] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.476909]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000067
>[ 3835.476911]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.476913]  ffffffffa00317cf ffff88041c6f0868 ffff88041c6f0800 ffff88041c6f0868
>[ 3835.476915] Call Trace:
>[ 3835.476917]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.476920]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.476935]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476937]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.476953]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.476957]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.476962]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.476966]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476971]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476975]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.476980]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.476984]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.476988]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.476992]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.477008]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.477026]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.477029]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.477031]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.477034]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.477037]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.477038] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477042]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.477044]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.477046]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.477047] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477051]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.477054]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.477057]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.477059]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.477062]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.477064]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.477067]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.477069]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.477072]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.477074]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.477077]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.477080]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.477083]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.477086]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.477088]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.477091]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.477093]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.477096]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.477099]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.477100] ---[ end trace a214ee23831c7083 ]---
>[ 3835.477102] ------------[ cut here ]------------
>[ 3835.477118] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.477119] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.477132] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.477133] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.477134]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000007f
>[ 3835.477136]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.477138]  ffffffffa00317cf ffff88041c6f1468 ffff88041c6f1400 ffff88041c6f1468
>[ 3835.477140] Call Trace:
>[ 3835.477142]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.477145]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.477160]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477162]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.477177]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477182]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.477187]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.477188] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477193]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477198]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477203]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.477207]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.477211]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477216]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477220]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.477235]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.477253]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.477256]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.477259]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.477261]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.477264]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.477266]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.477269]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.477271]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.477276]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.477279]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.477282]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.477284]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.477287]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.477289]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.477292]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.477294]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.477297]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.477299]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.477302]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.477305]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.477308]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.477311]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.477313]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.477316]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.477318]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.477321]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.477324]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.477325] ---[ end trace a214ee23831c7084 ]---
>[ 3835.477328] ------------[ cut here ]------------
>[ 3835.477344] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.477345] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc
>[ 3835.477349] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477350]  videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.477362] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.477364] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.477365]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000095
>[ 3835.477366]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.477369]  ffffffffa00317cf ffff88041b9d2c68 ffff88041b9d2c00 ffff88041b9d2c68
>[ 3835.477371] Call Trace:
>[ 3835.477373]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.477375]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.477390]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477393]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.477408]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477413]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.477417]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.477422]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477426]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477430]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.477435]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.477439]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477443]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477448]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.477463]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.477481]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.477484]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.477487]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.477487] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477491]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.477494]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.477498]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.477501]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.477503]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.477505]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.477508]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.477511]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.477513]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.477516]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.477518]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.477521]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.477523]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.477526]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.477528]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.477531]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.477534]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.477537]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.477540]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.477542]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.477545]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.477547]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.477550]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.477553]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.477554] ---[ end trace a214ee23831c7085 ]---
>[ 3835.477558] ------------[ cut here ]------------
>[ 3835.477573] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.477574] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.477588] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.477589] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.477590]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000aa
>[ 3835.477592]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.477594]  ffffffffa00317cf ffff880419636c68 ffff880419636c00 ffff880419636c68
>[ 3835.477596] Call Trace:
>[ 3835.477598]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.477601]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.477616]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477618]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.477634]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477639]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.477639] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477645]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.477651]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477655]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477659]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.477664]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.477668]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477673]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477677]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.477692]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.477710]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.477713]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.477715]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.477718]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.477721]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.477723]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.477726]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.477728]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.477730]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.477733]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.477736]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.477738]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.477741]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.477743]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.477746]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.477748]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.477751]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.477753]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.477756]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.477759]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.477762]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.477765]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.477767]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.477770]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.477772]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.477775]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.477778]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.477779] ---[ end trace a214ee23831c7086 ]---
>[ 3835.477783] ------------[ cut here ]------------
>[ 3835.477798] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.477799] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477801] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.477815] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.477817] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.477818]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000c0
>[ 3835.477820]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.477822]  ffffffffa00317cf ffff880419637468 ffff880419637400 ffff880419637468
>[ 3835.477824] Call Trace:
>[ 3835.477826]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.477828]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.477843]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477846]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.477861]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.477865]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.477870]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.477874]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477879]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477883]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.477888]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.477892]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.477896]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.477901]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.477916]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.477934]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.477937]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.477940]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.477940] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.477944]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.477947]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.477950]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.477953]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.477956]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.477959]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.477962]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.477964]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.477967]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.477969]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.477972]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.477975]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.477977]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.477979]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.477982]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.477985]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.477988]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.477991]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.477993]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.477996]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.477998]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.478001]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.478004]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.478006]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.478008] ---[ end trace a214ee23831c7087 ]---
>[ 3835.478011] ------------[ cut here ]------------
>[ 3835.478027] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.478027] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.478041] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.478042] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.478043]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000d5
>[ 3835.478045]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.478047]  ffffffffa00317cf ffff880419637068 ffff880419637000 ffff880419637068
>[ 3835.478049] Call Trace:
>[ 3835.478051]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.478053]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.478069]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478071]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.478086]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478091]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.478092] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.478099]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.478103]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478108]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478112]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.478116]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.478121]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478125]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478129]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.478145]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.478163]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.478165]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.478168]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.478171]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.478173]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.478176]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.478178]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.478180]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.478183]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.478186]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.478188]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.478191]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.478193]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.478196]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.478199]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.478201]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.478203]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.478206]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.478209]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.478212]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.478215]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.478217]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.478220]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.478222]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.478225]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.478228]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.478230]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.478232] ---[ end trace a214ee23831c7088 ]---
>[ 3835.478235] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.478235] ------------[ cut here ]------------
>[ 3835.478250] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.478251] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.478267] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.478269] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.478270]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000e7
>[ 3835.478276]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.478278]  ffffffffa00317cf ffff880419634468 ffff880419634400 ffff880419634468
>[ 3835.478280] Call Trace:
>[ 3835.478282]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.478285]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.478300]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478303]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.478326]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478331]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.478335]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.478339]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478343]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478347]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.478352]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.478356]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478360]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478364]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.478379]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.478396]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.478399]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.478401]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.478404]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.478406]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.478409]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.478411]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.478413]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.478414] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.478417]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.478421]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.478424]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.478426]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.478429]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.478431]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.478434]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.478436]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.478438]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.478441]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.478444]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.478447]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.478449]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.478452]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.478454]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.478457]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.478459]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.478462]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.478465]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.478466] ---[ end trace a214ee23831c7089 ]---
>[ 3835.478469] ------------[ cut here ]------------
>[ 3835.478484] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.478484] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.478497] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.478499] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.478499]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000fc
>[ 3835.478501]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.478503]  ffffffffa00317cf ffff88041b770468 ffff88041b770400 ffff88041b770468
>[ 3835.478505] Call Trace:
>[ 3835.478507]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.478509]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.478524]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478526]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.478541]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478545]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.478550]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.478551] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.478557]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478561]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478565]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.478570]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.478574]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478578]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478582]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.478597]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.478614]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.478617]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.478619]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.478622]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.478624]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.478627]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.478629]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.478631]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.478634]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.478636]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.478639]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.478641]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.478643]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.478646]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.478649]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.478651]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.478653]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.478655]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.478658]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.478661]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.478664]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.478667]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.478669]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.478671]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.478673]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.478676]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.478679]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.478680] ---[ end trace a214ee23831c708a ]---
>[ 3835.478683] ------------[ cut here ]------------
>[ 3835.478697] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.478698] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.478700] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.478714] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.478716] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.478717]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000012
>[ 3835.478718]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.478720]  ffffffffa00317cf ffff88041b771868 ffff88041b771800 ffff88041b771868
>[ 3835.478722] Call Trace:
>[ 3835.478724]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.478727]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.478741]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478743]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.478758]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478763]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.478767]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.478771]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478775]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478780]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.478784]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.478788]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478792]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478796]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.478811]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.478828]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.478831]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.478833]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.478836]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.478838] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.478840]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.478843]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.478846]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.478849]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.478852]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.478855]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.478857]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.478859]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.478862]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.478864]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.478867]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.478869]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.478872]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.478874]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.478877]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.478880]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.478882]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.478885]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.478887]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.478890]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.478892]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.478895]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.478897]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.478899] ---[ end trace a214ee23831c708b ]---
>[ 3835.478902] ------------[ cut here ]------------
>[ 3835.478916] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.478917] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.478930] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.478931] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.478932]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000027
>[ 3835.478934]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.478936]  ffffffffa00317cf ffff8803ea98b868 ffff8803ea98b800 ffff8803ea98b868
>[ 3835.478938] Call Trace:
>[ 3835.478940]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.478942]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.478956]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478959]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.478973]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.478978]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.478979] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.478984]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.478990]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.478994]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.478998]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.479003]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.479007]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479011]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479015]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.479029]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.479047]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.479049]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.479052]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.479054]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.479057]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.479059]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.479062]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.479064]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.479066]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.479069]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.479071]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.479074]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.479076]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.479079]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.479081]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.479084]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.479086]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.479088]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.479091]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.479094]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.479097]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.479099]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.479101]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.479104]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.479106]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.479109]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.479112]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.479113] ---[ end trace a214ee23831c708c ]---
>[ 3835.479116] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479117] ------------[ cut here ]------------
>[ 3835.479132] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.479133] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.479147] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.479149] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.479149]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000003b
>[ 3835.479151]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.479153]  ffffffffa00317cf ffff8803ea98a468 ffff8803ea98a400 ffff8803ea98a468
>[ 3835.479155] Call Trace:
>[ 3835.479157]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.479159]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.479174]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479176]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.479191]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479195]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.479200]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.479204]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479208]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479212]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.479217]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.479221]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479225]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479229]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.479244]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.479261]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.479264]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.479266]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.479269]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.479270] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479276]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.479279]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.479282]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.479284]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.479284] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479289]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.479291]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.479294]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.479296]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.479299]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.479301]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.479304]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.479306]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.479308]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.479311]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.479314]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.479316]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.479319]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.479322]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.479324]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.479327]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.479329]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.479332]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.479334]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.479336] ---[ end trace a214ee23831c708d ]---
>[ 3835.479338] ------------[ cut here ]------------
>[ 3835.479353] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.479354] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.479366] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.479368] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.479369]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000051
>[ 3835.479370]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.479372]  ffffffffa00317cf ffff8803ea98a868 ffff8803ea98a800 ffff8803ea98a868
>[ 3835.479374] Call Trace:
>[ 3835.479376]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.479379]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.479393]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479395]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.479410]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479415]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.479419]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.479420] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479426]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479430]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479435]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.479439]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.479443]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479447]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479451]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.479466]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.479483]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.479486]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.479488]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.479491]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.479493]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.479496]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.479498]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.479500]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.479503]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.479505]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.479508]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.479510]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.479512]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.479515]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.479517]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.479520]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.479522]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.479524]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.479527]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.479530]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.479533]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.479535]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.479538]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.479540]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.479542]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.479545]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.479548]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.479549] ---[ end trace a214ee23831c708e ]---
>[ 3835.479550] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479554] ------------[ cut here ]------------
>[ 3835.479569] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.479570] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.479582] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.479584] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.479585]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000067
>[ 3835.479586]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.479588]  ffffffffa00317cf ffff8803ea989c68 ffff8803ea989c00 ffff8803ea989c68
>[ 3835.479590] Call Trace:
>[ 3835.479592]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.479595]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.479609]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479611]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.479626]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479631]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.479635]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.479639]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479643]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479648]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.479652]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.479656]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479660]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479664]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.479679]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.479696]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.479697] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479701]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.479704]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.479707]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.479710]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.479713]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.479715]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.479718]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.479721]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.479724]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.479726]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.479728]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.479731]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.479733]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.479736]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.479738]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.479740]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.479743]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.479746]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.479748]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.479751]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.479754]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.479756]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.479759]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.479761]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.479764]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.479766]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.479768] ---[ end trace a214ee23831c708f ]---
>[ 3835.479771] ------------[ cut here ]------------
>[ 3835.479786] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.479787] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.479799] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.479801] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.479802]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000007c
>[ 3835.479804]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.479805]  ffffffffa00317cf ffff8800b0280468 ffff8800b0280400 ffff8800b0280468
>[ 3835.479808] Call Trace:
>[ 3835.479809]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.479812]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.479826]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479828]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.479843]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.479848]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.479852]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.479853] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479859]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479863]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479868]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.479872]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.479876]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.479880]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.479884]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.479899]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.479916]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.479919]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.479921]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.479924]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.479926]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.479929]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.479931]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.479933]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.479936]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.479938]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.479941]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.479943]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.479946]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.479948]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.479951]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.479953]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.479955]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.479958]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.479960]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.479963]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.479966]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.479969]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.479971]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.479973]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.479975]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.479978]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.479981]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.479983] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.479984] ---[ end trace a214ee23831c7090 ]---
>[ 3835.479987] ------------[ cut here ]------------
>[ 3835.480002] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.480003] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.480015] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.480017] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.480018]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000092
>[ 3835.480020]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.480022]  ffffffffa00317cf ffff880419636068 ffff880419636000 ffff880419636068
>[ 3835.480024] Call Trace:
>[ 3835.480025]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.480028]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.480042]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480045]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.480059]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480064]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.480068]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.480072]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480077]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480081]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.480085]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.480089]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480093]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480097]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.480112]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.480130]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.480132]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.480134] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.480137]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.480140]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.480143]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.480146]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.480149]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.480151]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.480153]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.480156]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.480158]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.480161]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.480163]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.480165]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.480168]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.480170]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.480173]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.480175]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.480178]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.480181]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.480184]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.480186]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.480188]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.480191]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.480193]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.480196]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.480199]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.480200] ---[ end trace a214ee23831c7091 ]---
>[ 3835.480202] ------------[ cut here ]------------
>[ 3835.480217] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.480218] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.480231] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.480232] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.480233]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000a7
>[ 3835.480235]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.480237]  ffffffffa00317cf ffff8800b0281c68 ffff8800b0281c00 ffff8800b0281c68
>[ 3835.480239] Call Trace:
>[ 3835.480241]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.480243]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.480258]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480260]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.480274]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480282]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.480283] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.480288]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.480294]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480298]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480302]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.480306]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.480310]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480315]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480319]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.480333]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.480351]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.480353]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.480356]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.480358]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.480361]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.480363]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.480366]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.480368]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.480370]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.480373]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.480375]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.480377]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.480380]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.480382]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.480385]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.480387]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.480390]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.480392]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.480395]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.480398]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.480401]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.480403]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.480405]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.480408]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.480410]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.480413]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.480416]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.480417] ---[ end trace a214ee23831c7092 ]---
>[ 3835.480420] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.480420] ------------[ cut here ]------------
>[ 3835.480434] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.480435] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.480451] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.480452] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.480453]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000b9
>[ 3835.480455]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.480457]  ffffffffa00317cf ffff880078e42c68 ffff880078e42c00 ffff880078e42c68
>[ 3835.480459] Call Trace:
>[ 3835.480461]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.480463]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.480478]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480480]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.480495]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480499]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.480504]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.480508]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480512]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480516]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.480520]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.480525]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480529]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480533]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.480547]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.480565]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.480567]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.480570]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.480573]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.480574] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.480577]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.480579]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.480580] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.480583]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.480586]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.480589]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.480592]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.480594]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.480596]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.480599]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.480601]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.480604]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.480606]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.480609]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.480611]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.480614]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.480617]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.480619]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.480622]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.480624]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.480627]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.480629]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.480632]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.480634]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.480636] ---[ end trace a214ee23831c7093 ]---
>[ 3835.480640] ------------[ cut here ]------------
>[ 3835.480655] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.480656] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.480668] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.480670] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.480671]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000cf
>[ 3835.480673]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.480674]  ffffffffa00317cf ffff880078e43468 ffff880078e43400 ffff880078e43468
>[ 3835.480677] Call Trace:
>[ 3835.480678]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.480681]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.480695]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480698]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.480712]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480717]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.480718] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.480724]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.480728]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480732]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480737]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.480741]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.480745]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480749]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480753]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.480768]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.480785]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.480788]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.480790]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.480793]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.480795]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.480798]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.480800]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.480802]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.480805]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.480807]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.480810]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.480812]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.480815]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.480817]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.480820]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.480822]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.480824]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.480827]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.480829]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.480832]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.480835]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.480837]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.480840]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.480842]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.480844]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.480847]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.480850]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.480851] ---[ end trace a214ee23831c7094 ]---
>[ 3835.480856] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.480857] ------------[ cut here ]------------
>[ 3835.480872] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.480873] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.480887] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.480889] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.480890]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000e2
>[ 3835.480891]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.480893]  ffffffffa00317cf ffff880404d3d868 ffff880404d3d800 ffff880404d3d868
>[ 3835.480895] Call Trace:
>[ 3835.480897]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.480899]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.480914]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480916]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.480931]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.480935]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.480940]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.480944]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480948]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480953]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.480957]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.480961]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.480965]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.480969]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.480984]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.481001]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.481004]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.481005] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.481007]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.481011]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.481013]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.481016]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.481020]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.481021]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.481024]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.481027]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.481029]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.481031]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.481034]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.481036]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.481039]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.481041]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.481044]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.481046]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.481049]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.481052]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.481055]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.481057]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.481059]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.481062]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.481064]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.481067]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.481070]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.481071] ---[ end trace a214ee23831c7095 ]---
>[ 3835.481073] ------------[ cut here ]------------
>[ 3835.481088] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.481089] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.481102] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.481103] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.481104]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000f4
>[ 3835.481106]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.481108]  ffffffffa00317cf ffff8800b0282c68 ffff8800b0282c00 ffff8800b0282c68
>[ 3835.481110] Call Trace:
>[ 3835.481112]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.481114]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.481129]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481131]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.481146]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481150]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.481151] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.481158]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.481162]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481166]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481170]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.481175]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.481179]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481183]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481187]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.481201]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.481219]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.481221]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.481224]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.481227]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.481229]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.481232]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.481234]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.481236]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.481238]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.481241]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.481243]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.481246]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.481248]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.481251]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.481253]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.481256]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.481258]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.481260]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.481263]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.481266]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.481269]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.481274]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.481276]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.481279]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.481281]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.481284]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.481287]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.481288] ---[ end trace a214ee23831c7096 ]---
>[ 3835.481291] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.481291] ------------[ cut here ]------------
>[ 3835.481307] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.481308] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.481322] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.481324] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.481325]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000007
>[ 3835.481326]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.481328]  ffffffffa00317cf ffff8800b0283468 ffff8800b0283400 ffff8800b0283468
>[ 3835.481330] Call Trace:
>[ 3835.481332]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.481335]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.481349]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481352]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.481366]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481371]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.481375]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.481379]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481384]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481388]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.481392]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.481396]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481400]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481404]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.481419]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.481436]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.481439]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.481442]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.481444]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.481446] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.481449]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.481452]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.481455]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.481457]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.481459]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.481462]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.481464]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.481467]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.481469]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.481472]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.481474]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.481477]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.481479]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.481481]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.481484]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.481487]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.481490]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.481492]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.481495]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.481497]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.481499]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.481502]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.481505]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.481506] ---[ end trace a214ee23831c7097 ]---
>[ 3835.481509] ------------[ cut here ]------------
>[ 3835.481523] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.481524] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.481537] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.481538] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.481539]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000001e
>[ 3835.481541]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.481543]  ffffffffa00317cf ffff88031cbd1468 ffff88031cbd1400 ffff88031cbd1468
>[ 3835.481545] Call Trace:
>[ 3835.481547]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.481549]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.481563]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481566]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.481580]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481585]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.481586] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.481592]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.481596]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481601]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481605]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.481609]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.481613]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481617]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481622]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.481636]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.481653]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.481656]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.481659]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.481661]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.481664]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.481666]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.481668]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.481670]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.481673]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.481675]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.481678]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.481680]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.481683]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.481685]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.481688]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.481690]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.481692]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.481695]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.481698]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.481701]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.481703]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.481706]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.481708]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.481711]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.481713]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.481716]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.481717] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.481720]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.481723] ---[ end trace a214ee23831c7098 ]---
>[ 3835.481725] ------------[ cut here ]------------
>[ 3835.481739] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.481740] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.481753] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.481754] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.481755]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000034
>[ 3835.481757]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.481759]  ffffffffa00317cf ffff88031cbd1c68 ffff88031cbd1c00 ffff88031cbd1c68
>[ 3835.481761] Call Trace:
>[ 3835.481763]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.481765]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.481780]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481782]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.481797]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481801]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.481806]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.481810]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481814]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481818]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.481823]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.481827]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.481831]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.481835]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.481849]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.481867]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.481870]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.481871] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.481874]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.481877]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.481881]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.481883]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.481885]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.481887]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.481890]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.481892]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.481895]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.481897]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.481900]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.481902]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.481905]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.481907]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.481909]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.481912]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.481915]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.481917]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.481920]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.481923]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.481925]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.481928]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.481930]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.481932]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.481935]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.481937] ---[ end trace a214ee23831c7099 ]---
>[ 3835.481939] ------------[ cut here ]------------
>[ 3835.481953] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.481954] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.481967] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.481968] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.481969]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000004b
>[ 3835.481971]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.481973]  ffffffffa00317cf ffff88031cbd2468 ffff88031cbd2400 ffff88031cbd2468
>[ 3835.481975] Call Trace:
>[ 3835.481977]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.481979]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.481994]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.481996]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.482011]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482015]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.482016] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482023]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.482027]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482031]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482035]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.482039]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.482044]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482048]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482052]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.482066]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.482084]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.482086]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.482089]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.482091]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.482094]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.482096]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.482099]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.482101]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.482103]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.482106]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.482108]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.482110]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.482113]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.482115]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.482118]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.482120]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.482123]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.482125]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.482128]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.482131]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.482134]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.482136]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.482138]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.482141]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.482143]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.482145] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482148]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.482150]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.482151] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482154] ---[ end trace a214ee23831c709a ]---
>[ 3835.482157] ------------[ cut here ]------------
>[ 3835.482171] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.482172] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.482185] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.482186] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.482187]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000062
>[ 3835.482189]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.482191]  ffffffffa00317cf ffff88031cbd3468 ffff88031cbd3400 ffff88031cbd3468
>[ 3835.482193] Call Trace:
>[ 3835.482195]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.482197]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.482212]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482214]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.482229]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482234]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.482238]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.482242]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482246]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482251]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.482255]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.482259]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482263]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482267]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.482282]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.482302]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.482303] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482307]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.482309]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.482312]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.482315]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.482318]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.482321]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.482323]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.482326]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.482329]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.482331]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.482333]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.482336]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.482338]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.482341]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.482343]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.482346]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.482348]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.482351]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.482354]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.482357]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.482359]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.482361]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.482364]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.482366]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.482369]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.482371]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.482373] ---[ end trace a214ee23831c709b ]---
>[ 3835.482376] ------------[ cut here ]------------
>[ 3835.482390] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.482391] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.482404] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.482405] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.482406]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000077
>[ 3835.482408]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.482410]  ffffffffa00317cf ffff8800b0281068 ffff8800b0281000 ffff8800b0281068
>[ 3835.482412] Call Trace:
>[ 3835.482414]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.482416]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.482431]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482433]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.482448]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482452]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.482457]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.482458] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482464]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482468]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482472]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.482477]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.482481]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482485]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482489]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.482504]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.482521]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.482524]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.482526]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.482529]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.482531]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.482534]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.482536]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.482538]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.482541]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.482543]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.482546]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.482548]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.482551]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.482553]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.482556]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.482558]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.482560]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.482563]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.482565]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.482568]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.482571]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.482574]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.482576]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.482578]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.482580]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.482583]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.482586]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.482587] ---[ end trace a214ee23831c709c ]---
>[ 3835.482590] ------------[ cut here ]------------
>[ 3835.482605] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.482606] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc
>[ 3835.482609] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482611]  videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.482622] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.482623] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.482624]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000008d
>[ 3835.482626]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.482628]  ffffffffa00317cf ffff88031cbd3068 ffff88031cbd3000 ffff88031cbd3068
>[ 3835.482630] Call Trace:
>[ 3835.482632]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.482634]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.482649]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482651]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.482666]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482671]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.482675]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.482679]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482683]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482688]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.482692]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.482696]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482700]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482704]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.482719]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.482736]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.482739]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.482742]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.482743] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482746]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.482749]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.482751]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.482754]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.482755]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.482758]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.482761]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.482763]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.482765]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.482768]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.482771]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.482774]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.482776]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.482780]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.482782]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.482785]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.482788]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.482791]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.482793]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.482795]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.482798]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.482800]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.482803]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.482805]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.482807] ---[ end trace a214ee23831c709d ]---
>[ 3835.482809] ------------[ cut here ]------------
>[ 3835.482824] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.482825] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.482837] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.482839] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.482840]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000a4
>[ 3835.482841]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.482843]  ffffffffa00317cf ffff8800b0282068 ffff8800b0282000 ffff8800b0282068
>[ 3835.482845] Call Trace:
>[ 3835.482847]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.482850]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.482864]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482866]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.482881]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.482886]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.482890]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.482894]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482898]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482903]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.482907]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.482911]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.482915]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.482916] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.482921]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.482937]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.482954]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.482957]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.482960]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.482962]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.482965]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.482967]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.482969]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.482971]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.482974]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.482977]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.482979]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.482981]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.482984]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.482986]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.482989]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.482991]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.482994]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.482996]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.482999]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.483002]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.483004]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.483007]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.483009]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.483012]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.483014]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.483017]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.483019]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.483021] ---[ end trace a214ee23831c709e ]---
>[ 3835.483024] ------------[ cut here ]------------
>[ 3835.483039] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.483040] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.483053] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.483054] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483055] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.483056]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000b9
>[ 3835.483059]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.483062] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483063]  ffffffffa00317cf ffff880404d3c068 ffff880404d3c000 ffff880404d3c068
>[ 3835.483066] Call Trace:
>[ 3835.483068]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.483068] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483072]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.483088]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483090]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.483105]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483109]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.483114]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.483118]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483122]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483126]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.483131]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.483135]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483139]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483143]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.483158]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.483175]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.483177]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.483180]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.483182]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.483185]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.483187]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.483190]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.483192]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.483194]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.483197]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.483199]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.483202]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.483204]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.483207]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.483208] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483210]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.483213]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.483216]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.483218]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.483222]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.483225]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.483228]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.483230]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.483232]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.483235]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.483237]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.483240]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.483243]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.483244] ---[ end trace a214ee23831c709f ]---
>[ 3835.483247] ------------[ cut here ]------------
>[ 3835.483261] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.483262] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.483278] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.483279] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.483280]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000cf
>[ 3835.483282]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.483284]  ffffffffa00317cf ffff880404d3fc68 ffff880404d3fc00 ffff880404d3fc68
>[ 3835.483286] Call Trace:
>[ 3835.483288]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.483290]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.483305]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483307]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.483322]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483326]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.483331]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.483335]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483339]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483343]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.483347]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.483352]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483356]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483360]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.483374]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.483392]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.483393] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483396]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.483399]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.483402]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.483406]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.483409]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.483411]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.483413]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.483415]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.483418]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.483420]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.483423]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.483425]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.483427]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.483430]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.483432]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.483435]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.483437]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.483440]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.483443]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.483446]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.483448]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.483450]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.483453]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.483455]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.483458]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.483461]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.483462] ---[ end trace a214ee23831c70a0 ]---
>[ 3835.483464] ------------[ cut here ]------------
>[ 3835.483479] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.483480] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.483493] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.483494] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.483495]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000e4
>[ 3835.483497]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.483499]  ffffffffa00317cf ffff880419635868 ffff880419635800 ffff880419635868
>[ 3835.483501] Call Trace:
>[ 3835.483503]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.483505]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.483520]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483522]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.483537]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483541]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.483542] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483548]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.483553]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483557]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483562]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.483566]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.483570]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483574]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483578]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.483593]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.483610]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.483613]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.483615]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.483618]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.483620]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.483623]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.483625]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.483627]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.483630]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.483632]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.483635]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.483637]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.483640]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.483642]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.483645]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.483647]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.483649]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.483652]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.483654]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.483657]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.483660]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.483663]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.483665]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.483667]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.483669]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.483672]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.483675]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.483676] ---[ end trace a214ee23831c70a1 ]---
>[ 3835.483679] ------------[ cut here ]------------
>[ 3835.483693] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.483695] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo
>[ 3835.483698] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483698]  videobuf2_vmalloc
>[ 3835.483699]  videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.483711] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.483713] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.483714]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000f7
>[ 3835.483716]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.483717]  ffffffffa00317cf ffff88041b770c68 ffff88041b770c00 ffff88041b770c68
>[ 3835.483720] Call Trace:
>[ 3835.483721]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.483724]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.483738]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483741]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.483755]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483760]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.483764]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.483768]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483773]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483777]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.483781]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.483785]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483789]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483793]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.483808]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.483825]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.483828]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.483830]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.483832] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483834]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.483837]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.483840]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.483842]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.483844]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.483845] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483849]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.483852]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.483854]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.483857]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.483859]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.483862]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.483864]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.483867]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.483869]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.483871]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.483874]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.483877]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.483880]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.483882]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.483884]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.483887]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.483889]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.483892]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.483895]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.483896] ---[ end trace a214ee23831c70a2 ]---
>[ 3835.483898] ------------[ cut here ]------------
>[ 3835.483913] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.483914] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.483926] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.483928] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.483929]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000000a
>[ 3835.483931]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.483933]  ffffffffa00317cf ffff88041b773468 ffff88041b773400 ffff88041b773468
>[ 3835.483935] Call Trace:
>[ 3835.483936]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.483939]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.483953]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483955]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.483970]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.483975]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.483979]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.483980] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.483986]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.483990]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.483995]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.483999]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.484003]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484007]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484011]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.484026]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.484043]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.484046]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.484048]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.484051]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.484053]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.484056]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.484058]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.484060]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.484062]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.484065]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.484068]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.484070]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.484072]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.484075]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.484078]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.484080]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.484082]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.484084]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.484087]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.484090]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.484093]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.484095]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.484098]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.484100]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.484102]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.484105]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.484108]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.484109] ---[ end trace a214ee23831c70a3 ]---
>[ 3835.484112] ------------[ cut here ]------------
>[ 3835.484127] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.484128] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484130] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.484144] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.484145] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.484146]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000020
>[ 3835.484148]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.484150]  ffffffffa00317cf ffff880404d3f468 ffff880404d3f400 ffff880404d3f468
>[ 3835.484152] Call Trace:
>[ 3835.484154]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.484156]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.484170]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484173]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.484187]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484192]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.484196]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.484200]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484205]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484209]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.484213]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.484217]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484221]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484225]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.484240]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.484257]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.484260]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.484261] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484265]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.484267]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.484270]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.484274] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484276]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.484279]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.484279] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484283]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.484286]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.484289]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.484291]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.484293]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.484296]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.484298]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.484301]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.484303]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.484306]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.484308]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.484311]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.484314]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.484317]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.484319]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.484321]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.484324]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.484326]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.484329]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.484332]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.484333] ---[ end trace a214ee23831c70a4 ]---
>[ 3835.484336] ------------[ cut here ]------------
>[ 3835.484351] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.484352] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.484365] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.484366] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.484367]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000039
>[ 3835.484369]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.484371]  ffffffffa00317cf ffff8803ea989068 ffff8803ea989000 ffff8803ea989068
>[ 3835.484373] Call Trace:
>[ 3835.484375]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.484377]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.484392]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484394]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.484408]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484413]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.484418]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.484419] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484425]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484429]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484433]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.484437]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.484442]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484446]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484450]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.484464]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.484482]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.484484]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.484487]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.484489]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.484492]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.484494]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.484497]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.484498]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.484501]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.484504]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.484506]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.484508]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.484511]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.484513]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.484516]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.484518]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.484521]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.484523]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.484526]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.484529]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.484531]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.484534]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.484536]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.484539]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.484541]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.484544]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.484546]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.484548] ---[ end trace a214ee23831c70a5 ]---
>[ 3835.484550] ------------[ cut here ]------------
>[ 3835.484565] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.484566] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484568] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.484581] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.484583] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.484584]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000004f
>[ 3835.484585]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.484587]  ffffffffa00317cf ffff8803ea98b468 ffff8803ea98b400 ffff8803ea98b468
>[ 3835.484589] Call Trace:
>[ 3835.484591]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.484594]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.484608]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484610]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.484625]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484630]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.484634]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.484638]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484642]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484647]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.484651]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.484655]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484659]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484663]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.484678]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.484695]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.484698]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.484699] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484702]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.484705]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.484708]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.484708] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484712]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.484715]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.484718]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.484720]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.484723]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.484725]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.484728]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.484730]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.484732]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.484735]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.484737]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.484740]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.484742]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.484745]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.484748]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.484751]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.484753]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.484755]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.484758]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.484760]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.484763]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.484766]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.484767] ---[ end trace a214ee23831c70a6 ]---
>[ 3835.484770] ------------[ cut here ]------------
>[ 3835.484784] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.484785] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.484798] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.484799] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.484800]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000067
>[ 3835.484802]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.484804]  ffffffffa00317cf ffff8803ea988068 ffff8803ea988000 ffff8803ea988068
>[ 3835.484806] Call Trace:
>[ 3835.484808]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.484810]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.484825]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484827]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.484841]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.484846]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.484851]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.484852] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.484858]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484862]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484866]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.484871]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.484875]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.484879]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.484883]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.484898]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.484915]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.484917]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.484920]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.484923]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.484925]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.484928]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.484930]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.484932]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.484934]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.484937]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.484939]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.484942]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.484944]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.484946]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.484949]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.484951]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.484954]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.484956]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.484959]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.484962]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.484965]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.484967]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.484969]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.484972]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.484974]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.484977]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.484980]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.484981] ---[ end trace a214ee23831c70a7 ]---
>[ 3835.484983] ------------[ cut here ]------------
>[ 3835.484998] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.484999] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo
>[ 3835.485002] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485003]  videobuf2_vmalloc
>[ 3835.485003]  videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.485016] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.485017] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.485018]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000007a
>[ 3835.485020]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.485022]  ffffffffa00317cf ffff8803ea988468 ffff8803ea988400 ffff8803ea988468
>[ 3835.485024] Call Trace:
>[ 3835.485026]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.485028]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.485043]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485045]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.485059]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485064]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.485068]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.485073]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485077]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485081]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.485085]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.485089]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485094]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485098]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.485112]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.485130]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.485132]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.485135]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.485137]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.485140]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.485142]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.485143] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485147]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.485149]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.485152]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.485155]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.485157]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.485159]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.485162]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.485164]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.485167]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.485169]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.485172]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.485174]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.485177]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.485180]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.485182]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.485185]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.485187]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.485190]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.485192]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.485195]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.485197]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.485199] ---[ end trace a214ee23831c70a8 ]---
>[ 3835.485201] ------------[ cut here ]------------
>[ 3835.485216] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.485217] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.485230] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.485231] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.485232]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000008f
>[ 3835.485234]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.485236]  ffffffffa00317cf ffff88031cbd0068 ffff88031cbd0000 ffff88031cbd0068
>[ 3835.485238] Call Trace:
>[ 3835.485240]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.485242]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.485256]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485259]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.485273]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485281]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.485281] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485287]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.485293]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485297]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485301]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.485305]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.485309]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485314]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485318]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.485332]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.485350]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.485352]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.485355]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.485357]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.485360]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.485362]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.485365]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.485366]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.485369]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.485372]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.485374]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.485376]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.485379]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.485381]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.485384]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.485386]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.485389]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.485391]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.485394]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.485397]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.485399]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.485402]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.485404]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.485407]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.485409]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.485412]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.485414]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.485416] ---[ end trace a214ee23831c70a9 ]---
>[ 3835.485418] ------------[ cut here ]------------
>[ 3835.485433] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.485434] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc
>[ 3835.485438] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485439]  videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.485451] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.485452] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.485453]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000a5
>[ 3835.485455]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.485457]  ffffffffa00317cf ffff88031cbd0468 ffff88031cbd0400 ffff88031cbd0468
>[ 3835.485459] Call Trace:
>[ 3835.485461]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.485463]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.485477]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485480]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.485494]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485499]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.485503]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.485507]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485512]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485516]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.485520]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.485524]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485528]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485532]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.485547]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.485564]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.485567]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.485568] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485571]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.485575]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.485578]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.485580]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.485583]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.485585]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.485587]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.485590]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.485592]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.485594]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.485597]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.485599]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.485602]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.485604]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.485607]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.485609]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.485612]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.485615]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.485617]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.485620]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.485622]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.485625]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.485627]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.485630]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.485632]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.485634] ---[ end trace a214ee23831c70aa ]---
>[ 3835.485636] ------------[ cut here ]------------
>[ 3835.485651] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.485652] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.485664] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.485666] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.485667]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000ba
>[ 3835.485668]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.485670]  ffffffffa00317cf ffff88031cbd0868 ffff88031cbd0800 ffff88031cbd0868
>[ 3835.485672] Call Trace:
>[ 3835.485674]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.485677]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.485691]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485693]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.485708]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485713]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.485714] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485719]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.485724]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485729]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485733]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.485737]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.485741]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485745]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485750]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.485764]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.485781]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.485784]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.485786]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.485789]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.485791]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.485794]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.485796]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.485798]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.485801]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.485803]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.485806]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.485808]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.485810]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.485813]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.485816]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.485818]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.485820]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.485822]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.485825]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.485828]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.485831]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.485833]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.485836]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.485838]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.485840]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.485843]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.485846]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.485847] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485849] ---[ end trace a214ee23831c70ab ]---
>[ 3835.485852] ------------[ cut here ]------------
>[ 3835.485867] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.485868] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.485881] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.485882] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.485883]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000d0
>[ 3835.485885]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.485887]  ffffffffa00317cf ffff88031cbd0c68 ffff88031cbd0c00 ffff88031cbd0c68
>[ 3835.485889] Call Trace:
>[ 3835.485891]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.485893]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.485908]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485910]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.485925]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.485929]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.485934]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.485938]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485942]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485946]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.485951]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.485955]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.485959]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.485963]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.485978]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.485995]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.485996] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.485999]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.486002]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.486005]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.486008]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.486011]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.486014]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.486017]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.486019]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.486022]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.486024]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.486027]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.486029]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.486031]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.486034]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.486036]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.486039]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.486041]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.486044]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.486047]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.486050]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.486052]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.486054]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.486057]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.486059]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.486062]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.486065]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.486066] ---[ end trace a214ee23831c70ac ]---
>[ 3835.486069] ------------[ cut here ]------------
>[ 3835.486083] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.486084] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.486097] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.486098] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.486099]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000e5
>[ 3835.486101]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.486103]  ffffffffa00317cf ffff88031cbd1068 ffff88031cbd1000 ffff88031cbd1068
>[ 3835.486105] Call Trace:
>[ 3835.486107]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.486109]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.486124]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486126]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.486140]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486145]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.486150]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.486150] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.486157]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486161]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486165]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.486169]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.486173]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486178]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486182]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.486196]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.486214]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.486216]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.486219]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.486221]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.486224]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.486226]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.486229]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.486231]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.486233]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.486236]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.486238]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.486241]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.486243]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.486245]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.486248]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.486250]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.486253]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.486255]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.486258]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.486261]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.486263]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.486266]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.486268]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.486273]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.486275]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.486278]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.486281]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.486283] ---[ end trace a214ee23831c70ad ]---
>[ 3835.486285] ------------[ cut here ]------------
>[ 3835.486300] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.486301] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.486303] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.486317] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.486318] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.486319]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000fb
>[ 3835.486321]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.486323]  ffffffffa00317cf ffff8802d6b4ec68 ffff8802d6b4ec00 ffff8802d6b4ec68
>[ 3835.486325] Call Trace:
>[ 3835.486327]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.486329]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.486344]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486346]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.486360]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486365]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.486369]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.486374]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486378]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486382]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.486386]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.486391]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486395]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486399]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.486413]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.486431]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.486433]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.486436]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.486438]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.486440] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.486443]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.486447]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.486449]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.486451]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.486454]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.486456]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.486459]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.486461]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.486464]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.486466]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.486469]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.486471]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.486473]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.486476]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.486478]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.486481]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.486484]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.486486]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.486489]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.486491]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.486493]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.486496]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.486499]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.486500] ---[ end trace a214ee23831c70ae ]---
>[ 3835.486503] ------------[ cut here ]------------
>[ 3835.486518] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.486518] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.486531] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.486532] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.486533]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000010
>[ 3835.486535]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.486537]  ffffffffa00317cf ffff8802d6b4f468 ffff8802d6b4f400 ffff8802d6b4f468
>[ 3835.486539] Call Trace:
>[ 3835.486541]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.486543]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.486558]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486560]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.486575]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486580]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.486580] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.486586]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.486591]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486595]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486600]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.486604]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.486608]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486612]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486616]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.486631]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.486649]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.486651]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.486654]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.486656]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.486659]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.486661]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.486663]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.486665]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.486668]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.486671]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.486673]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.486675]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.486678]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.486680]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.486683]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.486685]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.486687]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.486690]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.486693]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.486696]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.486698]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.486701]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.486703]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.486706]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.486708]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.486711]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.486713]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.486715] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.486717] ---[ end trace a214ee23831c70af ]---
>[ 3835.486720] ------------[ cut here ]------------
>[ 3835.486734] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.486735] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.486748] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.486749] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.486750]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000026
>[ 3835.486752]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.486754]  ffffffffa00317cf ffff8803c98ce868 ffff8803c98ce800 ffff8803c98ce868
>[ 3835.486756] Call Trace:
>[ 3835.486758]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.486760]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.486775]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486777]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.486791]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486796]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.486800]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.486805]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486809]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486813]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.486817]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.486822]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.486826]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.486830]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.486831] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.486846]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.486865]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.486867]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.486870]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.486872]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.486875]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.486877]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.486880]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.486882]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.486884]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.486887]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.486889]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.486891]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.486894]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.486896]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.486899]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.486901]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.486904]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.486906]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.486909]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.486912]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.486914]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.486917]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.486919]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.486922]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.486924]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.486927]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.486929]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.486931] ---[ end trace a214ee23831c70b0 ]---
>[ 3835.486933] ------------[ cut here ]------------
>[ 3835.486948] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.486949] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.486961] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.486963] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.486964]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000003b
>[ 3835.486966]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.486968]  ffffffffa00317cf ffff8803c98cfc68 ffff8803c98cfc00 ffff8803c98cfc68
>[ 3835.486970] Call Trace:
>[ 3835.486971]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.486974]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.486975] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.486989]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.486993]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.487007]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487012]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.487018]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.487022]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487026]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487030]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.487034]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.487039]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487043]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487047]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.487061]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.487079]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.487081]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.487084]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.487086]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.487089]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.487091]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.487094]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.487096]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.487098]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.487101]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.487103]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.487106]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.487108]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.487110]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.487113]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.487115]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.487118]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.487120]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.487123]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.487126]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.487129]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.487131]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.487133]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.487136]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.487138]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.487141]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.487144]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.487146] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.487146] ---[ end trace a214ee23831c70b1 ]---
>[ 3835.487148] ------------[ cut here ]------------
>[ 3835.487163] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.487164] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.487178] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.487179] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.487180]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000004f
>[ 3835.487182]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.487184]  ffffffffa00317cf ffff8803c98cf868 ffff8803c98cf800 ffff8803c98cf868
>[ 3835.487186] Call Trace:
>[ 3835.487188]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.487190]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.487204]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487207]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.487221]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487226]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.487230]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.487235]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487239]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487243]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.487247]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.487251]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487256]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487260]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.487274]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.487294]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.487297]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.487299]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.487302]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.487304] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.487306]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.487309]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.487311]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.487314]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.487316]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.487317] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.487322]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.487325]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.487327]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.487330]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.487332]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.487335]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.487337]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.487339]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.487342]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.487344]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.487347]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.487350]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.487353]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.487355]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.487357]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.487359]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.487362]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.487365]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.487367] ---[ end trace a214ee23831c70b2 ]---
>[ 3835.487369] ------------[ cut here ]------------
>[ 3835.487384] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.487385] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.487397] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.487399] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.487400]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000062
>[ 3835.487402]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.487403]  ffffffffa00317cf ffff880078dcd468 ffff880078dcd400 ffff880078dcd468
>[ 3835.487406] Call Trace:
>[ 3835.487407]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.487410]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.487424]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487427]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.487441]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487446]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.487451]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.487451] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.487458]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487462]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487466]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.487470]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.487475]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487479]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487483]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.487497]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.487515]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.487517]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.487520]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.487523]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.487525]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.487528]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.487530]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.487532]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.487534]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.487537]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.487539]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.487542]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.487544]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.487547]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.487549]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.487552]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.487554]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.487556]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.487559]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.487562]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.487565]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.487567]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.487569]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.487572]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.487574]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.487577]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.487580]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.487581] ---[ end trace a214ee23831c70b3 ]---
>[ 3835.487584] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.487584] ------------[ cut here ]------------
>[ 3835.487599] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.487600] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.487615] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.487616] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.487617]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000074
>[ 3835.487619]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.487621]  ffffffffa00317cf ffff8803c98cf468 ffff8803c98cf400 ffff8803c98cf468
>[ 3835.487623] Call Trace:
>[ 3835.487625]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.487627]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.487642]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487644]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.487659]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487663]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.487668]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.487672]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487676]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487680]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.487684]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.487689]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487693]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487697]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.487711]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.487729]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.487731]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.487734]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.487737]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.487738] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.487741]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.487744]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.487747]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.487750]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.487753]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.487755]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.487758]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.487760]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.487763]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.487765]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.487768]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.487770]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.487772]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.487775]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.487777]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.487780]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.487783]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.487786]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.487788]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.487790]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.487792]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.487795]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.487798]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.487799] ---[ end trace a214ee23831c70b4 ]---
>[ 3835.487802] ------------[ cut here ]------------
>[ 3835.487816] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.487817] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.487830] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.487831] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.487832]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000089
>[ 3835.487834]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.487836]  ffffffffa00317cf ffff8803c98cec68 ffff8803c98cec00 ffff8803c98cec68
>[ 3835.487838] Call Trace:
>[ 3835.487840]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.487842]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.487857]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487859]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.487874]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.487878]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.487883]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.487884] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.487889]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487894]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487899]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.487903]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.487907]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.487911]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.487915]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.487930]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.487947]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.487950]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.487952]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.487955]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.487957]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.487960]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.487962]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.487964]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.487966]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.487969]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.487972]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.487974]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.487976]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.487979]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.487981]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.487984]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.487986]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.487988]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.487991]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.487994]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.487997]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.487999]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.488002]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.488004]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.488006]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.488009]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.488012]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.488013] ---[ end trace a214ee23831c70b5 ]---
>[ 3835.488016] ------------[ cut here ]------------
>[ 3835.488017] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488032] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.488034] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.488047] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.488049] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.488050]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000009f
>[ 3835.488051]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.488053]  ffffffffa00317cf ffff8800b0281468 ffff8800b0281400 ffff8800b0281468
>[ 3835.488055] Call Trace:
>[ 3835.488057]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.488059]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.488074]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488076]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.488091]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488095]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.488100]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.488104]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488108]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488113]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.488117]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.488121]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488125]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488129]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.488144]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.488161]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.488164]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.488165] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488168]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.488171]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.488174]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.488176]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.488177] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488180]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.488183]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.488186]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.488189]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.488191]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.488193]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.488196]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.488198]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.488201]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.488203]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.488206]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.488208]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.488211]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.488214]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.488216]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.488219]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.488221]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.488224]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.488226]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.488229]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.488231]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.488233] ---[ end trace a214ee23831c70b6 ]---
>[ 3835.488237] ------------[ cut here ]------------
>[ 3835.488252] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.488252] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.488265] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.488266] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.488267]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000b5
>[ 3835.488272]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.488274]  ffffffffa00317cf ffff8800b0280868 ffff8800b0280800 ffff8800b0280868
>[ 3835.488276] Call Trace:
>[ 3835.488278]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.488280]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.488295]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488297]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.488320]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488324]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.488328]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.488333]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488334] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488338]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488344]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.488348]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.488352]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488356]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488360]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.488374]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.488390]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.488393]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.488395]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.488398]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.488400]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.488402]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.488405]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.488406]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.488409]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.488411]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.488414]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.488416]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.488418]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.488421]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.488423]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.488425]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.488428]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.488430]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.488433]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.488436]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.488438]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.488441]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.488443]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.488445]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.488447]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.488450]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.488452]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.488454] ---[ end trace a214ee23831c70b7 ]---
>[ 3835.488457] ------------[ cut here ]------------
>[ 3835.488471] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.488472] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo
>[ 3835.488475] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488475]  videobuf2_vmalloc
>[ 3835.488476]  videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.488488] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.488490] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.488491]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000c8
>[ 3835.488492]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.488494]  ffffffffa00317cf ffff880078dcd868 ffff880078dcd800 ffff880078dcd868
>[ 3835.488496] Call Trace:
>[ 3835.488498]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.488500]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.488514]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488516]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.488530]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488535]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.488539]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.488543]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488547]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488551]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.488555]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.488559]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488563]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488567]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.488581]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.488598]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.488599] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488603]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.488605]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.488608]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.488611]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.488614]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.488616]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.488619]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.488622]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.488624]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.488627]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.488629]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.488631]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.488634]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.488636]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.488638]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.488641]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.488643]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.488646]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.488648]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.488651]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.488654]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.488656]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.488658]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.488660]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.488663]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.488665]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.488667] ---[ end trace a214ee23831c70b8 ]---
>[ 3835.488669] ------------[ cut here ]------------
>[ 3835.488683] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.488684] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.488696] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.488697] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.488698]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000dd
>[ 3835.488700]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.488702]  ffffffffa00317cf ffff880078dcdc68 ffff880078dcdc00 ffff880078dcdc68
>[ 3835.488704] Call Trace:
>[ 3835.488706]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.488708]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.488722]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488724]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.488738]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488743]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.488743] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488748]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.488754]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488758]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488762]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.488766]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.488770]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488774]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488778]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.488792]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.488809]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.488811]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.488813]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.488816]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.488818]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.488821]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.488823]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.488825]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.488827]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.488830]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.488832]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.488834]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.488837]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.488839]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.488842]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.488844]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.488846]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.488848]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.488851]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.488854]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.488856]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.488859]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.488861]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.488863]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.488865]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.488868]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.488871]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.488872] ---[ end trace a214ee23831c70b9 ]---
>[ 3835.488874] ------------[ cut here ]------------
>[ 3835.488888] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.488889] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc
>[ 3835.488893] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.488894]  videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.488905] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.488906] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.488907]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 00000000000000f3
>[ 3835.488909]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.488911]  ffffffffa00317cf ffff880078dce068 ffff880078dce000 ffff880078dce068
>[ 3835.488913] Call Trace:
>[ 3835.488914]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.488917]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.488930]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488933]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.488947]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.488951]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.488955]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.488959]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488963]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488967]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.488972]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.488976]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.488980]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.488983]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.488997]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.489014]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.489017]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.489019]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.489022]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.489022] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489026]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.489029]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.489031]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.489034]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.489037]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.489039]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.489042]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.489044]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.489046]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.489049]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.489051]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.489053]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.489056]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.489058]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.489061]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.489063]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.489066]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.489069]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.489071]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.489073]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.489075]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.489078]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.489080]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.489082] ---[ end trace a214ee23831c70ba ]---
>[ 3835.489085] ------------[ cut here ]------------
>[ 3835.489098] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.489099] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.489112] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.489113] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.489114]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000008
>[ 3835.489116]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.489117]  ffffffffa00317cf ffff880078dcf868 ffff880078dcf800 ffff880078dcf868
>[ 3835.489119] Call Trace:
>[ 3835.489121]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.489123]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.489137]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489139]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.489153]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489158]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.489159] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489165]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.489169]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489173]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489177]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.489181]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.489185]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489189]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489193]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.489207]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.489224]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.489226]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.489229]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.489231]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.489233]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.489236]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.489238]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.489240]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.489242]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.489245]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.489247]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.489249]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.489252]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.489254]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.489257]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.489259]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.489261]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.489263]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.489266]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.489269]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.489276]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.489278]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.489280]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.489283]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.489285]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.489288]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.489290]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.489292] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489293] ---[ end trace a214ee23831c70bb ]---
>[ 3835.489296] ------------[ cut here ]------------
>[ 3835.489310] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.489311] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.489323] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.489325] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.489326]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000001e
>[ 3835.489327]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.489329]  ffffffffa00317cf ffff880078dcec68 ffff880078dcec00 ffff880078dcec68
>[ 3835.489331] Call Trace:
>[ 3835.489333]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.489335]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.489349]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489351]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.489365]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489370]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.489374]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.489378]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489382]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489386]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.489390]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.489394]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489398]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489402]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.489416]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.489433]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.489435]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.489437] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489440]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.489443]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.489445]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.489446] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489449]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.489452]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.489455]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.489457]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.489460]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.489462]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.489464]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.489467]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.489469]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.489471]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.489474]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.489476]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.489478]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.489481]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.489484]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.489486]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.489489]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.489491]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.489493]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.489495]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.489498]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.489501]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.489502] ---[ end trace a214ee23831c70bc ]---
>[ 3835.489505] ------------[ cut here ]------------
>[ 3835.489519] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.489520] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.489532] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.489533] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.489534]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 0000000000000036
>[ 3835.489536]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.489538]  ffffffffa00317cf ffff880078dccc68 ffff880078dccc00 ffff880078dccc68
>[ 3835.489540] Call Trace:
>[ 3835.489542]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.489544]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.489558]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489560]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.489562] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489576]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489581]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.489586]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.489590]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489594]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489598]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.489602]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.489606]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489610]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489614]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.489628]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.489644]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.489647]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.489649]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.489652]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.489654]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.489656]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.489659]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.489660]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.489663]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.489665]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.489668]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.489670]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.489673]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.489675]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.489677]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.489680]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.489682]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.489684]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.489687]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.489690]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.489692]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.489695]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.489697]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.489699]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.489701]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.489704]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.489706] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489708]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.489711] ---[ end trace a214ee23831c70bd ]---
>[ 3835.489713] ------------[ cut here ]------------
>[ 3835.489727] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.489728] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.489740] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.489741] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.489742]  0000000000000009 ffff8802d28bb8b8 ffffffff81754eea 000000000000004c
>[ 3835.489744]  0000000000000000 ffff8802d28bb8f8 ffffffff8103afbf 00000000ffffffff
>[ 3835.489746]  ffffffffa00317cf ffff880078dcd068 ffff880078dcd000 ffff880078dcd068
>[ 3835.489748] Call Trace:
>[ 3835.489750]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.489752]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.489766]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489768]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.489782]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.489786]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.489791]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.489795]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489799]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489803]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.489807]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.489811]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.489815]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.489819]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.489833]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.489850]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.489850] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.489854]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.489857]  [<ffffffff81426778>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.489859]  [<ffffffff8142680e>] drm_gem_object_handle_unreference_unlocked+0x8f/0x93
>[ 3835.489862]  [<ffffffff81426928>] drm_gem_object_release_handle+0x5e/0x68
>[ 3835.489865]  [<ffffffff814268ca>] ? drm_gem_dumb_destroy+0xd/0xd
>[ 3835.489867]  [<ffffffff8136146b>] idr_for_each+0xa1/0xcc
>[ 3835.489870]  [<ffffffff81122f0a>] ? __d_free+0x17/0x19
>[ 3835.489873]  [<ffffffff814270f9>] drm_gem_release+0x1c/0x28
>[ 3835.489875]  [<ffffffff814263b7>] drm_release+0x2d6/0x462
>[ 3835.489877]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.489880]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.489882]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.489884]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.489887]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.489889]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.489891]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.489894]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.489896]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.489899]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.489902]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.489904]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.489906]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.489909]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.489911]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.489914]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.489916]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.489918] ---[ end trace a214ee23831c70be ]---
>[ 3835.489994] systemd-journald[306]: /dev/kmsg buffer overrun, some messages lost.
>[ 3835.491338] ------------[ cut here ]------------
>[ 3835.491360] WARNING: CPU: 1 PID: 21216 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]()
>[ 3835.491362] Modules linked in: bnep bluetooth snd_usb_audio snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_rawmidi tg3 intel_rapl iosf_mbi ptp pps_core snd_hda_codec_realtek snd_hda_codec_generic libphy x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec microcode battery snd_hwdep processor xhci_pci xhci_hcd radeon ttm
>[ 3835.491376] CPU: 1 PID: 21216 Comm: gdbus Tainted: G        W      3.19.3-gentoo #1
>[ 3835.491377] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.80 01/17/2013
>[ 3835.491378]  0000000000000009 ffff8802d28bb9d8 ffffffff81754eea 0000000000000063
>[ 3835.491380]  0000000000000000 ffff8802d28bba18 ffffffff8103afbf 00000000ffffffff
>[ 3835.491382]  ffffffffa00317cf ffff880419637c68 ffff880419637c00 ffff880419637c68
>[ 3835.491385] Call Trace:
>[ 3835.491388]  [<ffffffff81754eea>] dump_stack+0x45/0x57
>[ 3835.491391]  [<ffffffff8103afbf>] warn_slowpath_common+0x9c/0xb6
>[ 3835.491406]  [<ffffffffa00317cf>] ? radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.491409]  [<ffffffff8103b06d>] warn_slowpath_null+0x15/0x17
>[ 3835.491424]  [<ffffffffa00317cf>] radeon_ttm_bo_destroy+0x8a/0xa3 [radeon]
>[ 3835.491430]  [<ffffffffa00019ab>] ttm_bo_release_list+0xfc/0x123 [ttm]
>[ 3835.491434]  [<ffffffffa00018af>] ? ttm_bo_unlock_delayed_workqueue+0x27/0x27 [ttm]
>[ 3835.491438]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.491442]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.491446]  [<ffffffffa0001cf2>] ttm_bo_release+0x1c1/0x1d0 [ttm]
>[ 3835.491451]  [<ffffffffa0001b31>] ? ttm_bo_synccpu_write_grab+0x76/0x76 [ttm]
>[ 3835.491455]  [<ffffffffa000104b>] kref_sub+0x39/0x46 [ttm]
>[ 3835.491459]  [<ffffffffa0001069>] kref_put+0x11/0x13 [ttm]
>[ 3835.491463]  [<ffffffffa0001089>] ttm_bo_unref+0x1e/0x20 [ttm]
>[ 3835.491478]  [<ffffffffa0031c05>] radeon_bo_unref+0x25/0x3a [radeon]
>[ 3835.491497]  [<ffffffffa0040519>] radeon_gem_object_free+0x37/0x39 [radeon]
>[ 3835.491500]  [<ffffffff81426617>] drm_gem_object_free+0x23/0x25
>[ 3835.491504]  [<ffffffff8143a0d0>] drm_gem_object_unreference_unlocked+0x4e/0x55
>[ 3835.491507]  [<ffffffff8143a0e4>] drm_gem_dmabuf_release+0xd/0xf
>[ 3835.491510]  [<ffffffff814dac8e>] dma_buf_release+0x48/0xfd
>[ 3835.491513]  [<ffffffff81114295>] __fput+0xef/0x18f
>[ 3835.491515]  [<ffffffff81114363>] ____fput+0x9/0xb
>[ 3835.491518]  [<ffffffff8104faf7>] task_work_run+0x85/0x9c
>[ 3835.491520]  [<ffffffff8103c25f>] do_exit+0x3eb/0x96a
>[ 3835.491523]  [<ffffffff81121774>] ? poll_select_copy_remaining+0xf4/0xf4
>[ 3835.491525]  [<ffffffff81043937>] ? __dequeue_signal+0x1a/0x113
>[ 3835.491528]  [<ffffffff8103d42c>] do_group_exit+0x3f/0x93
>[ 3835.491530]  [<ffffffff81045e50>] get_signal+0x44d/0x4d1
>[ 3835.491534]  [<ffffffff810f213d>] ? handle_mm_fault+0x67f/0x6bb
>[ 3835.491537]  [<ffffffff81002299>] do_signal+0x23/0x65c
>[ 3835.491540]  [<ffffffff8175b68f>] ? _raw_spin_lock_irq+0xa/0xc
>[ 3835.491543]  [<ffffffff811286e9>] ? __fget+0x20/0x57
>[ 3835.491545]  [<ffffffff81114377>] ? fput+0x12/0x85
>[ 3835.491548]  [<ffffffff815d93bc>] ? fput_light+0xd/0xf
>[ 3835.491550]  [<ffffffff815db71a>] ? __sys_sendmsg+0x4c/0x5b
>[ 3835.491553]  [<ffffffff810028f9>] do_notify_resume+0x27/0x5c
>[ 3835.491556]  [<ffffffff8175bbe7>] int_signal+0x12/0x17
>[ 3835.491557] ---[ end trace a214ee23831c70bf ]---

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