Feb 11 22:32:22 segfault kernel: [ 1495.696093] ------------[ cut here ]------------
Feb 11 22:32:22 segfault kernel: [ 1495.696105] WARNING: at lib/kref.c:43 kref_get+0x23/0x2d()
Feb 11 22:32:22 segfault kernel: [ 1495.696108] Hardware name: 4058CTO
Feb 11 22:32:22 segfault kernel: [ 1495.696110] Modules linked in: vboxnetadp vboxnetflt vboxdrv aes_x86_64 aes_generic ipv6 acpi_cpufreq cpufreq_conservative cpufreq_ondemand cpufreq_powersave cpufreq_stats freq_table uinput radeon ttm drm_kms_helper drm i2c_algo_bit fuse coretemp firewire_sbp2 snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_usb_audio snd_pcm thinkpad_acpi uvcvideo hwmon snd_seq_dummy snd_hwdep snd_usb_lib arc4 snd_seq_oss ecb videodev snd_seq_midi snd_rawmidi snd_seq_midi_event iwlagn v4l1_compat snd_seq v4l2_compat_ioctl32 snd_timer iwlcore snd_seq_device i2c_i801 wmi i2c_core mac80211 joydev snd cfg80211 rfkill soundcore snd_page_alloc sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t ricoh_mmc e1000e ata_generic pata_acpi video output [last unloaded: scsi_wait_scan]
Feb 11 22:32:22 segfault kernel: [ 1495.696210] Pid: 6846, comm: do-not-directly Not tainted 2.6.33-rc7-custom-00263-gd464e51 #1
Feb 11 22:32:22 segfault kernel: [ 1495.696214] Call Trace:
Feb 11 22:32:22 segfault kernel: [ 1495.696222]  [<ffffffff81049640>] warn_slowpath_common+0x7c/0x94
Feb 11 22:32:22 segfault kernel: [ 1495.696228]  [<ffffffff8104966c>] warn_slowpath_null+0x14/0x16
Feb 11 22:32:22 segfault kernel: [ 1495.696234]  [<ffffffff8121453a>] kref_get+0x23/0x2d
Feb 11 22:32:22 segfault kernel: [ 1495.696260]  [<ffffffffa033055e>] radeon_fence_ref+0x1a/0x21 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.696300]  [<ffffffffa033244b>] radeon_bo_list_validate+0xac/0xf4 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.696328]  [<ffffffffa03436c5>] radeon_cs_parser_relocs+0x19d/0x1fb [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.696355]  [<ffffffffa0343b14>] radeon_cs_ioctl+0xca/0x1a2 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.696371]  [<ffffffffa02c6512>] drm_ioctl+0x25f/0x371 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.696398]  [<ffffffffa0343a4a>] ? radeon_cs_ioctl+0x0/0x1a2 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.696405]  [<ffffffff8106a78d>] ? sched_clock_local+0x1c/0x82
Feb 11 22:32:22 segfault kernel: [ 1495.696412]  [<ffffffff8110b4cf>] ? rcu_read_unlock+0x0/0x23
Feb 11 22:32:22 segfault kernel: [ 1495.696418]  [<ffffffff8106a8b6>] ? sched_clock_cpu+0xc3/0xce
Feb 11 22:32:22 segfault kernel: [ 1495.696423]  [<ffffffff8106a904>] ? cpu_clock+0x43/0x5e
Feb 11 22:32:22 segfault kernel: [ 1495.696429]  [<ffffffff811174b0>] vfs_ioctl+0x32/0xa6
Feb 11 22:32:22 segfault kernel: [ 1495.696434]  [<ffffffff81117a30>] do_vfs_ioctl+0x490/0x4d6
Feb 11 22:32:22 segfault kernel: [ 1495.696440]  [<ffffffff8110b549>] ? fget_light+0x57/0xf2
Feb 11 22:32:22 segfault kernel: [ 1495.696445]  [<ffffffff81117acc>] sys_ioctl+0x56/0x79
Feb 11 22:32:22 segfault kernel: [ 1495.696452]  [<ffffffff81009c32>] system_call_fastpath+0x16/0x1b
Feb 11 22:32:22 segfault kernel: [ 1495.696457] ---[ end trace 5608d98ef4e9c78b ]---
Feb 11 22:32:22 segfault kernel: [ 1495.698709] BUG: unable to handle kernel paging request at 00000000000021d0
Feb 11 22:32:22 segfault kernel: [ 1495.698715] IP: [<ffffffffa0330582>] radeon_fence_signaled+0x1d/0xa1 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.698739] PGD 10dfde067 PUD 126421067 PMD 0
Feb 11 22:32:22 segfault kernel: [ 1495.698746] Oops: 0000 [#1] SMP
Feb 11 22:32:22 segfault kernel: [ 1495.698751] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:00/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/energy_full
Feb 11 22:32:22 segfault kernel: [ 1495.698756] CPU 0
Feb 11 22:32:22 segfault kernel: [ 1495.698762] Pid: 6846, comm: do-not-directly Tainted: G        W  2.6.33-rc7-custom-00263-gd464e51 #1 4058CTO/4058CTO
Feb 11 22:32:22 segfault kernel: [ 1495.698766] RIP: 0010:[<ffffffffa0330582>]  [<ffffffffa0330582>] radeon_fence_signaled+0x1d/0xa1 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.698790] RSP: 0018:ffff8801072cbc28  EFLAGS: 00010286
Feb 11 22:32:22 segfault kernel: [ 1495.698793] RAX: ffff8801348844c0 RBX: ffff8800ab057fc0 RCX: 0000000000000001
Feb 11 22:32:22 segfault kernel: [ 1495.698797] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
Feb 11 22:32:22 segfault kernel: [ 1495.698801] RBP: ffff8801072cbc48 R08: 0000000000000000 R09: 0000000000000000
Feb 11 22:32:22 segfault kernel: [ 1495.698804] R10: ffff8800b288b8f8 R11: 0000000000000000 R12: ffff8800b288b8e0
Feb 11 22:32:22 segfault kernel: [ 1495.698808] R13: ffffffffa0393480 R14: ffff8800b288b9b0 R15: ffff8800b288b8e0
Feb 11 22:32:22 segfault kernel: [ 1495.698812] FS:  00007fb6b0682830(0000) GS:ffff880006200000(0000) knlGS:0000000000000000
Feb 11 22:32:22 segfault kernel: [ 1495.698816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 11 22:32:22 segfault kernel: [ 1495.698820] CR2: 00000000000021d0 CR3: 000000010df35000 CR4: 00000000000406f0
Feb 11 22:32:22 segfault kernel: [ 1495.698823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 11 22:32:22 segfault kernel: [ 1495.698827] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Feb 11 22:32:22 segfault kernel: [ 1495.698831] Process do-not-directly (pid: 6846, threadinfo ffff8801072ca000, task ffff88012ba38000)
Feb 11 22:32:22 segfault kernel: [ 1495.698835] Stack:
Feb 11 22:32:22 segfault kernel: [ 1495.698837]  0000000000000000 ffff8800b288b848 ffff8800b288b8e0 ffffffffa0393480
Feb 11 22:32:22 segfault kernel: [ 1495.698844] <0> ffff8801072cbc58 ffffffffa0330ef5 ffff8801072cbcc8 ffffffffa0300a3e
Feb 11 22:32:22 segfault kernel: [ 1495.698851] <0> ffff8800b288b88c ffff8800b288b8e0 00000001b288b8f8 01ff880000000001
Feb 11 22:32:22 segfault kernel: [ 1495.698859] Call Trace:
Feb 11 22:32:22 segfault kernel: [ 1495.698882]  [<ffffffffa0330ef5>] radeon_sync_obj_signaled+0xe/0x10 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.698892]  [<ffffffffa0300a3e>] ttm_bo_wait+0x5d/0x165 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.698918]  [<ffffffffa0341c34>] radeon_bo_wait+0xaf/0xd4 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.698944]  [<ffffffffa0341d16>] radeon_gem_busy_ioctl+0x47/0x86 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.698951]  [<ffffffff811d6a00>] ? avc_has_perm+0x5c/0x6e
Feb 11 22:32:22 segfault kernel: [ 1495.698963]  [<ffffffffa02c6512>] drm_ioctl+0x25f/0x371 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.698989]  [<ffffffffa0341ccf>] ? radeon_gem_busy_ioctl+0x0/0x86 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.698995]  [<ffffffff811d7b6e>] ? inode_has_perm+0x7a/0x90
Feb 11 22:32:22 segfault kernel: [ 1495.699000]  [<ffffffff81010115>] ? sched_clock+0x9/0xd
Feb 11 22:32:22 segfault kernel: [ 1495.699005]  [<ffffffff8106a78d>] ? sched_clock_local+0x1c/0x82
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff8110b4cf>] ? rcu_read_unlock+0x0/0x23
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff8106a8b6>] ? sched_clock_cpu+0xc3/0xce
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff8106a904>] ? cpu_clock+0x43/0x5e
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff811174b0>] vfs_ioctl+0x32/0xa6
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff81117a30>] do_vfs_ioctl+0x490/0x4d6
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff8110b549>] ? fget_light+0x57/0xf2
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff81117acc>] sys_ioctl+0x56/0x79
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  [<ffffffff81009c32>] system_call_fastpath+0x16/0x1b
Feb 11 22:32:22 segfault kernel: [ 1495.699006] Code: 7f 08 e8 b9 3f ee e0 48 89 d8 5a 5b c9 c3 55 48 89 e5 41 55 41 54 53 48 83 ec 08 0f 1f 44 00 00 48 89 fb 48 85 ff 74 79 48 8b 3f <80> bf d0 21 00 00 00 75 6d 48 81 c7 d8 0c 00 00 e8 00 b7 12 e1
Feb 11 22:32:22 segfault kernel: [ 1495.699006] RIP  [<ffffffffa0330582>] radeon_fence_signaled+0x1d/0xa1 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.699006]  RSP <ffff8801072cbc28>
Feb 11 22:32:22 segfault kernel: [ 1495.699006] CR2: 00000000000021d0
Feb 11 22:32:22 segfault kernel: [ 1495.699153] ---[ end trace 5608d98ef4e9c78c ]---
Feb 11 22:32:22 segfault kernel: [ 1495.739156] ------------[ cut here ]------------


Feb 11 22:32:22 segfault kernel: [ 1495.763394] ------------[ cut here ]------------
Feb 11 22:32:22 segfault kernel: [ 1495.763408] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:159 radeon_fence_signaled+0x6f/0xa1 [radeon]()
Feb 11 22:32:22 segfault kernel: [ 1495.763410] Hardware name: 4058CTO
Feb 11 22:32:22 segfault kernel: [ 1495.763412] Querying an unemited fence : ffff8800b9157540 !
Feb 11 22:32:22 segfault kernel: [ 1495.763413] Modules linked in: vboxnetadp vboxnetflt vboxdrv aes_x86_64 aes_generic ipv6 acpi_cpufreq cpufreq_conservative cpufreq_ondemand cpufreq_powersave cpufreq_stats freq_table uinput radeon ttm drm_kms_helper drm i2c_algo_bit fuse coretemp firewire_sbp2 snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_usb_audio snd_pcm thinkpad_acpi uvcvideo hwmon snd_seq_dummy snd_hwdep snd_usb_lib arc4 snd_seq_oss ecb videodev snd_seq_midi snd_rawmidi snd_seq_midi_event iwlagn v4l1_compat snd_seq v4l2_compat_ioctl32 snd_timer iwlcore snd_seq_device i2c_i801 wmi i2c_core mac80211 joydev snd cfg80211 rfkill soundcore snd_page_alloc sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t ricoh_mmc e1000e ata_generic pata_acpi video output [last unloaded: scsi_wait_scan]
Feb 11 22:32:22 segfault kernel: [ 1495.763471] Pid: 2307, comm: Xorg Tainted: G      D W  2.6.33-rc7-custom-00263-gd464e51 #1
Feb 11 22:32:22 segfault kernel: [ 1495.763472] Call Trace:
Feb 11 22:32:22 segfault kernel: [ 1495.763476]  [<ffffffff81049640>] warn_slowpath_common+0x7c/0x94
Feb 11 22:32:22 segfault kernel: [ 1495.763479]  [<ffffffff810496af>] warn_slowpath_fmt+0x41/0x43
Feb 11 22:32:22 segfault kernel: [ 1495.763493]  [<ffffffffa0330597>] ? radeon_fence_signaled+0x32/0xa1 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763507]  [<ffffffffa03305d4>] radeon_fence_signaled+0x6f/0xa1 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763521]  [<ffffffffa0330ef5>] radeon_sync_obj_signaled+0xe/0x10 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763526]  [<ffffffffa0300a3e>] ttm_bo_wait+0x5d/0x165 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763530]  [<ffffffff8145b80f>] ? _raw_spin_lock+0x62/0x69
Feb 11 22:32:22 segfault kernel: [ 1495.763535]  [<ffffffffa03008ad>] ? spin_lock+0xe/0x10 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763540]  [<ffffffffa0301973>] ttm_bo_cleanup_refs+0x56/0x26b [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763546]  [<ffffffffa030343b>] ttm_bo_release+0x5f/0x7c [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763551]  [<ffffffffa03033dc>] ? ttm_bo_release+0x0/0x7c [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763555]  [<ffffffff8121450d>] kref_put+0x43/0x4d
Feb 11 22:32:22 segfault kernel: [ 1495.763560]  [<ffffffffa0301cf2>] ttm_bo_unref+0x38/0x45 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763574]  [<ffffffffa033205c>] radeon_bo_unref+0x2a/0x3f [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763591]  [<ffffffffa0341fcb>] radeon_gem_object_free+0x33/0x35 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763599]  [<ffffffffa02c7a36>] drm_gem_object_free_unlocked+0x5b/0x73 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763607]  [<ffffffffa02c79db>] ? drm_gem_object_free_unlocked+0x0/0x73 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763610]  [<ffffffff8121450d>] kref_put+0x43/0x4d
Feb 11 22:32:22 segfault kernel: [ 1495.763618]  [<ffffffffa02c78b1>] drm_gem_object_unreference_unlocked+0x1a/0x1c [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763626]  [<ffffffffa02c78f8>] drm_gem_object_handle_unreference_unlocked+0x2e/0x32 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763634]  [<ffffffffa02c7bd8>] drm_gem_close_ioctl+0x7c/0x87 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763641]  [<ffffffffa02c6512>] drm_ioctl+0x25f/0x371 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763649]  [<ffffffffa02c7b5c>] ? drm_gem_close_ioctl+0x0/0x87 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763653]  [<ffffffff811d7b6e>] ? inode_has_perm+0x7a/0x90
Feb 11 22:32:22 segfault kernel: [ 1495.763656]  [<ffffffff8145c1ab>] ? _raw_spin_unlock+0x2b/0x2f
Feb 11 22:32:22 segfault kernel: [ 1495.763659]  [<ffffffff810faf05>] ? spin_unlock+0xe/0x10
Feb 11 22:32:22 segfault kernel: [ 1495.763662]  [<ffffffff810faf6e>] ? add_partial+0x67/0x70
Feb 11 22:32:22 segfault kernel: [ 1495.763667]  [<ffffffffa0301ce1>] ? ttm_bo_unref+0x27/0x45 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763671]  [<ffffffff811174b0>] vfs_ioctl+0x32/0xa6
Feb 11 22:32:22 segfault kernel: [ 1495.763673]  [<ffffffff81117a30>] do_vfs_ioctl+0x490/0x4d6
Feb 11 22:32:22 segfault kernel: [ 1495.763677]  [<ffffffff81117acc>] sys_ioctl+0x56/0x79
Feb 11 22:32:22 segfault kernel: [ 1495.763680]  [<ffffffff81009c32>] system_call_fastpath+0x16/0x1b
Feb 11 22:32:22 segfault kernel: [ 1495.763683] ---[ end trace 5608d98ef4e9c798 ]---
Feb 11 22:32:22 segfault kernel: [ 1495.763717] ------------[ cut here ]------------

Feb 11 22:32:22 segfault kernel: [ 1495.763063] ------------[ cut here ]------------
Feb 11 22:32:22 segfault kernel: [ 1495.763077] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:159 radeon_fence_signaled+0x6f/0xa1 [radeon]()
Feb 11 22:32:22 segfault kernel: [ 1495.763079] Hardware name: 4058CTO
Feb 11 22:32:22 segfault kernel: [ 1495.763081] Querying an unemited fence : ffff8800b9157540 !
Feb 11 22:32:22 segfault kernel: [ 1495.763082] Modules linked in: vboxnetadp vboxnetflt vboxdrv aes_x86_64 aes_generic ipv6 acpi_cpufreq cpufreq_conservative cpufreq_ondemand cpufreq_powersave cpufreq_stats freq_table uinput radeon ttm drm_kms_helper drm i2c_algo_bit fuse coretemp firewire_sbp2 snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_usb_audio snd_pcm thinkpad_acpi uvcvideo hwmon snd_seq_dummy snd_hwdep snd_usb_lib arc4 snd_seq_oss ecb videodev snd_seq_midi snd_rawmidi snd_seq_midi_event iwlagn v4l1_compat snd_seq v4l2_compat_ioctl32 snd_timer iwlcore snd_seq_device i2c_i801 wmi i2c_core mac80211 joydev snd cfg80211 rfkill soundcore snd_page_alloc sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t ricoh_mmc e1000e ata_generic pata_acpi video output [last unloaded: scsi_wait_scan]
Feb 11 22:32:22 segfault kernel: [ 1495.763140] Pid: 2307, comm: Xorg Tainted: G      D W  2.6.33-rc7-custom-00263-gd464e51 #1
Feb 11 22:32:22 segfault kernel: [ 1495.763141] Call Trace:
Feb 11 22:32:22 segfault kernel: [ 1495.763145]  [<ffffffff81049640>] warn_slowpath_common+0x7c/0x94
Feb 11 22:32:22 segfault kernel: [ 1495.763148]  [<ffffffff810496af>] warn_slowpath_fmt+0x41/0x43
Feb 11 22:32:22 segfault kernel: [ 1495.763162]  [<ffffffffa0330597>] ? radeon_fence_signaled+0x32/0xa1 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763176]  [<ffffffffa03305d4>] radeon_fence_signaled+0x6f/0xa1 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763190]  [<ffffffffa0330ef5>] radeon_sync_obj_signaled+0xe/0x10 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763195]  [<ffffffffa0300a3e>] ttm_bo_wait+0x5d/0x165 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763198]  [<ffffffff8145b80f>] ? _raw_spin_lock+0x62/0x69
Feb 11 22:32:22 segfault kernel: [ 1495.763203]  [<ffffffffa03008ad>] ? spin_lock+0xe/0x10 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763209]  [<ffffffffa0301973>] ttm_bo_cleanup_refs+0x56/0x26b [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763215]  [<ffffffffa030343b>] ttm_bo_release+0x5f/0x7c [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763220]  [<ffffffffa03033dc>] ? ttm_bo_release+0x0/0x7c [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763223]  [<ffffffff8121450d>] kref_put+0x43/0x4d
Feb 11 22:32:22 segfault kernel: [ 1495.763228]  [<ffffffffa0301cf2>] ttm_bo_unref+0x38/0x45 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763243]  [<ffffffffa033205c>] radeon_bo_unref+0x2a/0x3f [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa0341fcb>] radeon_gem_object_free+0x33/0x35 [radeon]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa02c7a36>] drm_gem_object_free_unlocked+0x5b/0x73 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa02c79db>] ? drm_gem_object_free_unlocked+0x0/0x73 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff8121450d>] kref_put+0x43/0x4d
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa02c78b1>] drm_gem_object_unreference_unlocked+0x1a/0x1c [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa02c78f8>] drm_gem_object_handle_unreference_unlocked+0x2e/0x32 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa02c7bd8>] drm_gem_close_ioctl+0x7c/0x87 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa02c6512>] drm_ioctl+0x25f/0x371 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa02c7b5c>] ? drm_gem_close_ioctl+0x0/0x87 [drm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff811d7b6e>] ? inode_has_perm+0x7a/0x90
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff8145c1ab>] ? _raw_spin_unlock+0x2b/0x2f
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff810faf05>] ? spin_unlock+0xe/0x10
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff810faf6e>] ? add_partial+0x67/0x70
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffffa0301ce1>] ? ttm_bo_unref+0x27/0x45 [ttm]
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff811174b0>] vfs_ioctl+0x32/0xa6
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff81117a30>] do_vfs_ioctl+0x490/0x4d6
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff81117acc>] sys_ioctl+0x56/0x79
Feb 11 22:32:22 segfault kernel: [ 1495.763254]  [<ffffffff81009c32>] system_call_fastpath+0x16/0x1b
Feb 11 22:32:22 segfault kernel: [ 1495.763254] ---[ end trace 5608d98ef4e9c797 ]---
Feb 11 22:32:22 segfault kernel: [ 1495.763394] ------------[ cut here ]------------