[ 58.070588] radeon: switched off [ 60.434755] [drm] radeon atom LVDS backlight unloaded [ 60.437765] [drm] radeon: finishing device. [ 60.454074] ------------[ cut here ]------------ [ 60.454105] WARNING: CPU: 1 PID: 170 at drivers/gpu/drm/drm_irq.c:306 drm_vblank_cleanup+0x63/0xa0 [drm]() [ 60.454108] Modules linked in: drbg ansi_cprng joydev hid_generic acer_wmi sparse_keymap snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core kvm_intel snd_hwdep snd_pcm kvm snd_seq_midi snd_seq_midi_event snd_rawmidi arc4 nft_counter iwldvm snd_seq nf_conntrack_ipv6 nf_defrag_ipv6 mac80211 nf_conntrack_ipv4 nf_defrag_ipv4 psmouse snd_seq_device serio_raw snd_timer uas usb_storage nft_ct iwlwifi nf_conntrack snd usbhid hid lpc_ich nft_meta cfg80211 nft_hash nft_rbtree soundcore shpchp nf_tables_inet nf_tables_ipv6 nf_tables_ipv4 wmi nf_tables nfnetlink mac_hid coretemp autofs4 radeon ahci libahci i915 ttm i2c_algo_bit drm_kms_helper drm video [ 60.454184] CPU: 1 PID: 170 Comm: kworker/u8:5 Not tainted 4.2.0-rc0-patched #1 [ 60.454187] Hardware name: Acer TravelMate 8471/TravelMate 8471, BIOS V1.36 03/26/2010 [ 60.454195] Workqueue: kacpi_hotplug acpi_hotplug_work_fn [ 60.454199] ffffffffc0042032 ffff8800b3aa7ab8 ffffffff81792f01 0000000000000007 [ 60.454204] 0000000000000000 ffff8800b3aa7af8 ffffffff81074eaa ffff8800b3aa7ad8 [ 60.454209] ffff8800376c8000 0000000000000000 ffff88003750a800 ffff88013a5bb800 [ 60.454213] Call Trace: [ 60.454220] [] dump_stack+0x45/0x57 [ 60.454226] [] warn_slowpath_common+0x8a/0xc0 [ 60.454230] [] warn_slowpath_null+0x1a/0x20 [ 60.454244] [] drm_vblank_cleanup+0x63/0xa0 [drm] [ 60.454285] [] radeon_irq_kms_fini+0x1a/0x70 [radeon] [ 60.454317] [] rv770_fini+0x46/0xc0 [radeon] [ 60.454335] [] radeon_device_fini+0x42/0x140 [radeon] [ 60.454354] [] radeon_driver_unload_kms+0x50/0x70 [radeon] [ 60.454369] [] drm_dev_unregister+0x2d/0xb0 [drm] [ 60.454385] [] drm_put_dev+0x27/0x80 [drm] [ 60.454402] [] radeon_pci_remove+0x15/0x20 [radeon] [ 60.454407] [] pci_device_remove+0x3f/0xc0 [ 60.454414] [] __device_release_driver+0x96/0x130 [ 60.454418] [] device_release_driver+0x23/0x30 [ 60.454423] [] pci_stop_bus_device+0x92/0xa0 [ 60.454427] [] pci_stop_and_remove_bus_device+0x16/0x30 [ 60.454432] [] disable_slot+0x53/0xa0 [ 60.454436] [] acpiphp_check_bridge.part.8+0xd2/0xf0 [ 60.454440] [] acpiphp_hotplug_notify+0xd2/0x220 [ 60.454445] [] ? acpiphp_post_dock_fixup+0xc0/0xc0 [ 60.454450] [] acpi_device_hotplug+0x3b0/0x3f8 [ 60.454454] [] acpi_hotplug_work_fn+0x1f/0x2b [ 60.454459] [] process_one_work+0x157/0x3e0 [ 60.454463] [] worker_thread+0x4e/0x470 [ 60.454467] [] ? rescuer_thread+0x300/0x300 [ 60.454472] [] kthread+0xc9/0xe0 [ 60.454476] [] ? kthread_create_on_node+0x180/0x180 [ 60.454480] [] ret_from_fork+0x3f/0x70 [ 60.454484] [] ? kthread_create_on_node+0x180/0x180 [ 60.454487] ---[ end trace 12a616c7b61aa751 ]--- [ 60.454489] ------------[ cut here ]------------ [ 60.454504] WARNING: CPU: 1 PID: 170 at drivers/gpu/drm/drm_irq.c:306 drm_vblank_cleanup+0x63/0xa0 [drm]() [ 60.454506] Modules linked in: drbg ansi_cprng joydev hid_generic acer_wmi sparse_keymap snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core kvm_intel snd_hwdep snd_pcm kvm snd_seq_midi snd_seq_midi_event snd_rawmidi arc4 nft_counter iwldvm snd_seq nf_conntrack_ipv6 nf_defrag_ipv6 mac80211 nf_conntrack_ipv4 nf_defrag_ipv4 psmouse snd_seq_device serio_raw snd_timer uas usb_storage nft_ct iwlwifi nf_conntrack snd usbhid hid lpc_ich nft_meta cfg80211 nft_hash nft_rbtree soundcore shpchp nf_tables_inet nf_tables_ipv6 nf_tables_ipv4 wmi nf_tables nfnetlink mac_hid coretemp autofs4 radeon ahci libahci i915 ttm i2c_algo_bit drm_kms_helper drm video [ 60.454564] CPU: 1 PID: 170 Comm: kworker/u8:5 Tainted: G W 4.2.0-rc0-patched #1 [ 60.454567] Hardware name: Acer TravelMate 8471/TravelMate 8471, BIOS V1.36 03/26/2010 [ 60.454571] Workqueue: kacpi_hotplug acpi_hotplug_work_fn [ 60.454573] ffffffffc0042032 ffff8800b3aa7ab8 ffffffff81792f01 0000000000000007 [ 60.454578] 0000000000000000 ffff8800b3aa7af8 ffffffff81074eaa ffff8800b3aa7ad8 [ 60.454582] ffff8800376c80b0 0000000000000001 ffff88003750a800 ffff88013a5bb800 [ 60.454587] Call Trace: [ 60.454591] [] dump_stack+0x45/0x57 [ 60.454595] [] warn_slowpath_common+0x8a/0xc0 [ 60.454599] [] warn_slowpath_null+0x1a/0x20 [ 60.454612] [] drm_vblank_cleanup+0x63/0xa0 [drm] [ 60.454639] [] radeon_irq_kms_fini+0x1a/0x70 [radeon] [ 60.454671] [] rv770_fini+0x46/0xc0 [radeon] [ 60.454689] [] radeon_device_fini+0x42/0x140 [radeon] [ 60.454707] [] radeon_driver_unload_kms+0x50/0x70 [radeon] [ 60.454722] [] drm_dev_unregister+0x2d/0xb0 [drm] [ 60.454737] [] drm_put_dev+0x27/0x80 [drm] [ 60.454753] [] radeon_pci_remove+0x15/0x20 [radeon] [ 60.454758] [] pci_device_remove+0x3f/0xc0 [ 60.454762] [] __device_release_driver+0x96/0x130 [ 60.454767] [] device_release_driver+0x23/0x30 [ 60.454771] [] pci_stop_bus_device+0x92/0xa0 [ 60.454775] [] pci_stop_and_remove_bus_device+0x16/0x30 [ 60.454779] [] disable_slot+0x53/0xa0 [ 60.454783] [] acpiphp_check_bridge.part.8+0xd2/0xf0 [ 60.454787] [] acpiphp_hotplug_notify+0xd2/0x220 [ 60.454791] [] ? acpiphp_post_dock_fixup+0xc0/0xc0 [ 60.454795] [] acpi_device_hotplug+0x3b0/0x3f8 [ 60.454799] [] acpi_hotplug_work_fn+0x1f/0x2b [ 60.454804] [] process_one_work+0x157/0x3e0 [ 60.454808] [] worker_thread+0x4e/0x470 [ 60.454812] [] ? rescuer_thread+0x300/0x300 [ 60.454815] [] kthread+0xc9/0xe0 [ 60.454819] [] ? kthread_create_on_node+0x180/0x180 [ 60.454823] [] ret_from_fork+0x3f/0x70 [ 60.454827] [] ? kthread_create_on_node+0x180/0x180 [ 60.454830] ---[ end trace 12a616c7b61aa752 ]--- [ 60.462260] radeon 0000:01:00.0: ffff880037479000 unpin not necessary [ 60.462568] [TTM] Finalizing pool allocator [ 60.462578] [TTM] Finalizing DMA pool allocator [ 60.462661] [TTM] Zone kernel: Used memory at exit: 0 kiB [ 60.462671] [drm] radeon: ttm finalized [ 60.462677] vga_switcheroo: disabled [ 60.463059] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=none,decodes=io+mem:owns=io+mem [ 60.492225] ------------[ cut here ]------------ [ 60.492239] WARNING: CPU: 0 PID: 170 at fs/sysfs/group.c:224 sysfs_remove_group+0x95/0xa0() [ 60.492242] sysfs group ffffffff81ccd4e0 not found for kobject 'acpi_video1' [ 60.492245] Modules linked in: drbg ansi_cprng joydev hid_generic acer_wmi sparse_keymap snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core kvm_intel snd_hwdep snd_pcm kvm snd_seq_midi snd_seq_midi_event snd_rawmidi arc4 nft_counter iwldvm snd_seq nf_conntrack_ipv6 nf_defrag_ipv6 mac80211 nf_conntrack_ipv4 nf_defrag_ipv4 psmouse snd_seq_device serio_raw snd_timer uas usb_storage nft_ct iwlwifi nf_conntrack snd usbhid hid lpc_ich nft_meta cfg80211 nft_hash nft_rbtree soundcore shpchp nf_tables_inet nf_tables_ipv6 nf_tables_ipv4 wmi nf_tables nfnetlink mac_hid coretemp autofs4 radeon ahci libahci i915 ttm i2c_algo_bit drm_kms_helper drm video [ 60.492320] CPU: 0 PID: 170 Comm: kworker/u8:5 Tainted: G W 4.2.0-rc0-patched #1 [ 60.492322] Hardware name: Acer TravelMate 8471/TravelMate 8471, BIOS V1.36 03/26/2010 [ 60.492329] Workqueue: kacpi_hotplug acpi_hotplug_work_fn [ 60.492332] ffffffff81ad59c5 ffff8800b3aa7a68 ffffffff81792f01 0000000000000007 [ 60.492337] ffff8800b3aa7ab8 ffff8800b3aa7aa8 ffffffff81074eaa ffff8800377ad9d8 [ 60.492342] 0000000000000000 ffffffff81ccd4e0 ffff88003747bca8 0000000000000000 [ 60.492347] Call Trace: [ 60.492354] [] dump_stack+0x45/0x57 [ 60.492359] [] warn_slowpath_common+0x8a/0xc0 [ 60.492363] [] warn_slowpath_fmt+0x46/0x50 [ 60.492368] [] ? kernfs_find_and_get_ns+0x4c/0x60 [ 60.492372] [] sysfs_remove_group+0x95/0xa0 [ 60.492378] [] dpm_sysfs_remove+0x57/0x60 [ 60.492383] [] device_del+0x58/0x270 [ 60.492387] [] ? down_write+0x16/0x50 [ 60.492391] [] device_unregister+0x22/0x70 [ 60.492395] [] backlight_device_unregister+0xac/0xc0 [ 60.492403] [] acpi_video_bus_unregister_backlight.part.8+0x5e/0x111 [video] [ 60.492408] [] acpi_video_bus_remove+0xb5/0x11c [video] [ 60.492413] [] acpi_device_remove+0x80/0x9f [ 60.492418] [] __device_release_driver+0x96/0x130 [ 60.492422] [] device_release_driver+0x23/0x30 [ 60.492426] [] acpi_bus_trim+0x73/0x8d [ 60.492430] [] disable_slot+0x7b/0xa0 [ 60.492434] [] acpiphp_check_bridge.part.8+0xd2/0xf0 [ 60.492438] [] acpiphp_hotplug_notify+0xd2/0x220 [ 60.492442] [] ? acpiphp_post_dock_fixup+0xc0/0xc0 [ 60.492446] [] acpi_device_hotplug+0x3b0/0x3f8 [ 60.492450] [] acpi_hotplug_work_fn+0x1f/0x2b [ 60.492455] [] process_one_work+0x157/0x3e0 [ 60.492459] [] worker_thread+0x4e/0x470 [ 60.492464] [] ? rescuer_thread+0x300/0x300 [ 60.492468] [] kthread+0xc9/0xe0 [ 60.492472] [] ? kthread_create_on_node+0x180/0x180 [ 60.492476] [] ret_from_fork+0x3f/0x70 [ 60.492480] [] ? kthread_create_on_node+0x180/0x180 [ 60.492483] ---[ end trace 12a616c7b61aa753 ]---