Attachment 119613 Details for Bug 92879 – intel driver crash on 945GM with 4.3.0

intel driver crash on 945GM with 4.3.0

opensuse-4.3-intel-drv.txt (text/plain), 20.50 KB, created by Jon Grossart on 2015-11-13 03:00:04 UTC

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Creator: Jon Grossart

Created: 2015-11-13 03:00:04 UTC

Size: 20.50 KB

patch

obsolete

>Nov 08 00:59:40 NC10 kernel: ------------[ cut here ]------------
>Nov 08 00:59:40 NC10 kernel: WARNING: CPU: 0 PID: 291 at ../drivers/gpu/drm/i915/intel_display.c:1389 assert_planes_disabled+0x100/0x140 [i915]()
>Nov 08 00:59:40 NC10 kernel: plane B assertion failure, should be off on pipe B but is still active
>Nov 08 00:59:40 NC10 kernel: Modules linked in: ata_piix(+) ahci libahci serio_raw libata i915(+) i2c_algo_bit ehci_pci drm_kms_helper syscopyarea uhci_hcd ehci_hcd usbcore usb_common sysfillrect sysimgblt fb_sys_fops sky2 drm fjes video button sg
>Nov 08 00:59:40 NC10 kernel: CPU: 0 PID: 291 Comm: systemd-udevd Not tainted 4.3.0-1-default #1
>Nov 08 00:59:40 NC10 kernel: Hardware name: SAMSUNG ELECTRONICS CO., LTD. NC10                       /NC10                       , BIOS 11CA.M015.20090908.RHU 09/08/2009
>Nov 08 00:59:40 NC10 kernel:  00000000 00000000 f6c4f9cc c05108a8 f6c4fa0c f6c4f9fc c0256827 f86d49e8
>Nov 08 00:59:40 NC10 kernel:  f6c4fa28 00000123 f86d4740 0000056d f86650b0 f86650b0 f6d68000 00000042
>Nov 08 00:59:40 NC10 kernel:  00000001 f6c4fa14 c0256893 00000009 f6c4fa0c f86d49e8 f6c4fa28 f6c4fa40
>Nov 08 00:59:40 NC10 kernel: Call Trace:
>Nov 08 00:59:40 NC10 kernel:  [<c0206232>] try_stack_unwind+0x132/0x140
>Nov 08 00:59:40 NC10 kernel:  [<c02052de>] dump_trace+0x5e/0x210
>Nov 08 00:59:40 NC10 kernel:  [<c0206286>] show_trace_log_lvl+0x46/0x50
>Nov 08 00:59:40 NC10 kernel:  [<c020555b>] show_stack_log_lvl+0xcb/0x110
>Nov 08 00:59:40 NC10 kernel:  [<c0206316>] show_stack+0x26/0x50
>Nov 08 00:59:40 NC10 kernel:  [<c05108a8>] dump_stack+0x41/0x59
>Nov 08 00:59:40 NC10 kernel:  [<c0256827>] warn_slowpath_common+0x87/0xc0
>Nov 08 00:59:40 NC10 kernel:  [<c0256893>] warn_slowpath_fmt+0x33/0x40
>Nov 08 00:59:40 NC10 kernel:  [<f86650b0>] assert_planes_disabled+0x100/0x140 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f866f871>] intel_disable_pipe+0x41/0x2c0 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f8673a28>] i9xx_crtc_disable+0x68/0x3d0 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f8678894>] intel_crtc_disable_noatomic+0x54/0xc0 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f867f43c>] intel_modeset_setup_hw_state+0x96c/0xcc0 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f86811b3>] intel_modeset_init+0x923/0x1130 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f86b6c94>] i915_driver_load+0xa44/0xe60 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f83e979e>] drm_dev_register+0x8e/0xa0 [drm]
>Nov 08 00:59:40 NC10 kernel:  [<f83ec1c9>] drm_get_pci_dev+0x79/0x1d0 [drm]
>Nov 08 00:59:40 NC10 kernel:  [<f86091be>] i915_pci_probe+0x2e/0x50 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<c055941b>] pci_device_probe+0x7b/0xf0
>Nov 08 00:59:40 NC10 kernel:  [<c0629cf9>] driver_probe_device+0x1f9/0x490
>Nov 08 00:59:40 NC10 kernel:  [<c062a009>] __driver_attach+0x79/0x80
>Nov 08 00:59:40 NC10 kernel:  [<c0627dcf>] bus_for_each_dev+0x4f/0x80
>Nov 08 00:59:40 NC10 kernel:  [<c062954e>] driver_attach+0x1e/0x20
>Nov 08 00:59:40 NC10 kernel:  [<c062912f>] bus_add_driver+0x1ef/0x290
>Nov 08 00:59:40 NC10 kernel:  [<c062a7fd>] driver_register+0x5d/0xf0
>Nov 08 00:59:40 NC10 kernel:  [<c0557c53>] __pci_register_driver+0x33/0x40
>Nov 08 00:59:40 NC10 kernel:  [<f83ec3fd>] drm_pci_init+0xdd/0x100 [drm]
>Nov 08 00:59:40 NC10 kernel:  [<f8727096>] i915_init+0x96/0x9f [i915]
>Nov 08 00:59:40 NC10 kernel:  [<c020048a>] do_one_initcall+0xaa/0x200
>Nov 08 00:59:40 NC10 kernel:  [<c034b180>] do_init_module+0x50/0x1c5
>Nov 08 00:59:40 NC10 kernel:  [<c02d6a61>] load_module+0x1411/0x1920
>Nov 08 00:59:40 NC10 kernel:  [<c02d715d>] SyS_finit_module+0x8d/0xd0
>Nov 08 00:59:40 NC10 kernel:  [<c07d2d65>] syscall_call+0x7/0x7
>Nov 08 00:59:40 NC10 kernel: DWARF2 unwinder stuck at syscall_after_call+0x0/0x4
>Nov 08 00:59:40 NC10 kernel: 
>Nov 08 00:59:40 NC10 kernel: Leftover inexact backtrace:
>Nov 08 00:59:40 NC10 kernel: ---[ end trace a0a6fbfa836755d7 ]---
>Nov 08 00:59:40 NC10 kernel: usb 2-2: new full-speed USB device number 2 using uhci_hcd
>Nov 08 00:59:40 NC10 kernel: [drm] initialized overlay support
>Nov 08 00:59:40 NC10 kernel: [drm] Initialized i915 1.6.0 20150731 for 0000:00:02.0 on minor 0
>Nov 08 00:59:40 NC10 kernel: ata_piix 0000:00:1f.2: version 2.13
>Nov 08 00:59:40 NC10 kernel: ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
>Nov 08 00:59:40 NC10 kernel: ------------[ cut here ]------------
>Nov 08 00:59:40 NC10 kernel: WARNING: CPU: 1 PID: 6 at ../drivers/gpu/drm/i915/intel_fbdev.c:400 intel_fb_initial_config+0x2dc/0x5f0 [i915]()
>Nov 08 00:59:40 NC10 kernel: WARN_ON(!encoder->crtc)
>Nov 08 00:59:40 NC10 kernel: Modules linked in:
>Nov 08 00:59:40 NC10 kernel:  ata_piix(+) ahci libahci serio_raw libata i915 i2c_algo_bit ehci_pci drm_kms_helper syscopyarea uhci_hcd ehci_hcd usbcore usb_common sysfillrect sysimgblt fb_sys_fops sky2 drm fjes video button sg
>Nov 08 00:59:40 NC10 kernel: CPU: 1 PID: 6 Comm: kworker/u4:0 Tainted: G        W       4.3.0-1-default #1
>Nov 08 00:59:40 NC10 kernel: Hardware name: SAMSUNG ELECTRONICS CO., LTD. NC10                       /NC10                       , BIOS 11CA.M015.20090908.RHU 09/08/2009
>Nov 08 00:59:40 NC10 kernel: Workqueue: events_unbound async_run_entry_fn
>Nov 08 00:59:40 NC10 kernel:  00000000 00000000 f5521d14 c05108a8 f5521d54 f5521d44 c0256827 f86e3c01
>Nov 08 00:59:40 NC10 kernel:  f5521d70 00000006 f86d9680 00000190 f868cfec f868cfec 00000000 00000001
>Nov 08 00:59:40 NC10 kernel:  00000001 f5521d5c c0256893 00000009 f5521d54 f86e3c01 f5521d70 f5521de0
>Nov 08 00:59:40 NC10 kernel: Call Trace:
>Nov 08 00:59:40 NC10 kernel:  [<c0206232>] try_stack_unwind+0x132/0x140
>Nov 08 00:59:40 NC10 kernel:  [<c02052de>] dump_trace+0x5e/0x210
>Nov 08 00:59:40 NC10 kernel:  [<c0206286>] show_trace_log_lvl+0x46/0x50
>Nov 08 00:59:40 NC10 kernel:  [<c020555b>] show_stack_log_lvl+0xcb/0x110
>Nov 08 00:59:40 NC10 kernel:  [<c0206316>] show_stack+0x26/0x50
>Nov 08 00:59:40 NC10 kernel:  [<c05108a8>] dump_stack+0x41/0x59
>Nov 08 00:59:40 NC10 kernel:  [<c0256827>] warn_slowpath_common+0x87/0xc0
>Nov 08 00:59:40 NC10 kernel:  [<c0256893>] warn_slowpath_fmt+0x33/0x40
>Nov 08 00:59:40 NC10 kernel:  [<f868cfec>] intel_fb_initial_config+0x2dc/0x5f0 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<f81e64cf>] drm_setup_crtcs+0x21f/0xa80 [drm_kms_helper]
>Nov 08 00:59:40 NC10 kernel:  [<f81e6f6c>] drm_fb_helper_initial_config+0x8c/0x3d0 [drm_kms_helper]
>Nov 08 00:59:40 NC10 kernel:  [<f868de09>] intel_fbdev_initial_config+0x19/0x20 [i915]
>Nov 08 00:59:40 NC10 kernel:  [<c027345f>] async_run_entry_fn+0x4f/0x170
>Nov 08 00:59:40 NC10 kernel:  [<c026b7c5>] process_one_work+0x155/0x3e0
>Nov 08 00:59:40 NC10 kernel:  [<c026ba87>] worker_thread+0x37/0x490
>Nov 08 00:59:40 NC10 kernel:  [<c0270e3b>] kthread+0x9b/0xb0
>Nov 08 00:59:40 NC10 kernel:  [<c07d2bf1>] ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:40 NC10 kernel: DWARF2 unwinder stuck at ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:40 NC10 kernel: 
>Nov 08 00:59:40 NC10 kernel: Leftover inexact backtrace:
>Nov 08 00:59:40 NC10 kernel:  [<c0270da0>] ? kthread_park+0x50/0x50
>Nov 08 00:59:40 NC10 kernel: ---[ end trace a0a6fbfa836755d8 ]---
>Nov 08 00:59:41 NC10 kernel: fbcon: inteldrmfb (fb0) is primary device
>Nov 08 00:59:41 NC10 kernel: ------------[ cut here ]------------
>Nov 08 00:59:41 NC10 kernel: WARNING: CPU: 1 PID: 102 at ../drivers/gpu/drm/i915/intel_fbdev.c:400 intel_fb_initial_config+0x2dc/0x5f0 [i915]()
>Nov 08 00:59:41 NC10 kernel: WARN_ON(!encoder->crtc)
>Nov 08 00:59:41 NC10 kernel: Modules linked in: ata_piix(+) ahci libahci serio_raw libata i915 i2c_algo_bit ehci_pci drm_kms_helper syscopyarea uhci_hcd ehci_hcd usbcore usb_common sysfillrect sysimgblt fb_sys_fops sky2 drm fjes video button sg
>Nov 08 00:59:41 NC10 kernel: CPU: 1 PID: 102 Comm: kworker/1:2 Tainted: G        W       4.3.0-1-default #1
>Nov 08 00:59:41 NC10 kernel: Hardware name: SAMSUNG ELECTRONICS CO., LTD. NC10                       /NC10                       , BIOS 11CA.M015.20090908.RHU 09/08/2009
>Nov 08 00:59:41 NC10 kernel: Workqueue: events output_poll_execute [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  00000000 00000000 f4b25d34 c05108a8 f4b25d74 f4b25d64 c0256827 f86e3c01
>Nov 08 00:59:41 NC10 kernel:  f4b25d90 00000066 f86d9680 00000190 f868cfec f868cfec 00000000 00000001
>Nov 08 00:59:41 NC10 kernel:  00000001 f4b25d7c c0256893 00000009 f4b25d74 f86e3c01 f4b25d90 f4b25e00
>Nov 08 00:59:41 NC10 kernel: Call Trace:
>Nov 08 00:59:41 NC10 kernel:  [<c0206232>] try_stack_unwind+0x132/0x140
>Nov 08 00:59:41 NC10 kernel:  [<c02052de>] dump_trace+0x5e/0x210
>Nov 08 00:59:41 NC10 kernel:  [<c0206286>] show_trace_log_lvl+0x46/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c020555b>] show_stack_log_lvl+0xcb/0x110
>Nov 08 00:59:41 NC10 kernel:  [<c0206316>] show_stack+0x26/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c05108a8>] dump_stack+0x41/0x59
>Nov 08 00:59:41 NC10 kernel:  [<c0256827>] warn_slowpath_common+0x87/0xc0
>Nov 08 00:59:41 NC10 kernel:  [<c0256893>] warn_slowpath_fmt+0x33/0x40
>Nov 08 00:59:41 NC10 kernel:  [<f868cfec>] intel_fb_initial_config+0x2dc/0x5f0 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f81e64cf>] drm_setup_crtcs+0x21f/0xa80 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6dcd>] drm_fb_helper_hotplug_event+0x9d/0x100 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f868dfaa>] intel_fbdev_output_poll_changed+0x1a/0x20 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f81db521>] drm_kms_helper_hotplug_event+0x21/0x30 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81db718>] output_poll_execute+0x188/0x1c0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<c026b7c5>] process_one_work+0x155/0x3e0
>Nov 08 00:59:41 NC10 kernel:  [<c026ba87>] worker_thread+0x37/0x490
>Nov 08 00:59:41 NC10 kernel:  [<c0270e3b>] kthread+0x9b/0xb0
>Nov 08 00:59:41 NC10 kernel:  [<c07d2bf1>] ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: DWARF2 unwinder stuck at ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: 
>Nov 08 00:59:41 NC10 kernel: Leftover inexact backtrace:
>Nov 08 00:59:41 NC10 kernel:  [<c0270da0>] ? kthread_park+0x50/0x50
>Nov 08 00:59:41 NC10 kernel: ---[ end trace a0a6fbfa836755d9 ]---
>Nov 08 00:59:41 NC10 kernel: ------------[ cut here ]------------
>Nov 08 00:59:41 NC10 kernel: WARNING: CPU: 1 PID: 102 at ../drivers/gpu/drm/i915/intel_display.c:11599 intel_plane_atomic_calc_changes+0x51c/0x690 [i915]()
>Nov 08 00:59:41 NC10 kernel: WARN_ON(was_visible)
>Nov 08 00:59:41 NC10 kernel: Modules linked in: ata_piix(+) ahci libahci serio_raw libata i915 i2c_algo_bit ehci_pci drm_kms_helper syscopyarea uhci_hcd ehci_hcd usbcore usb_common sysfillrect sysimgblt fb_sys_fops sky2 drm fjes video button sg
>Nov 08 00:59:41 NC10 kernel: CPU: 1 PID: 102 Comm: kworker/1:2 Tainted: G        W       4.3.0-1-default #1
>Nov 08 00:59:41 NC10 kernel: Hardware name: SAMSUNG ELECTRONICS CO., LTD. NC10                       /NC10                       , BIOS 11CA.M015.20090908.RHU 09/08/2009
>Nov 08 00:59:41 NC10 kernel: Workqueue: events output_poll_execute [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  00000000 00000000 f4b25c60 c05108a8 f4b25ca0 f4b25c90 c0256827 f86e2fc3
>Nov 08 00:59:41 NC10 kernel:  f4b25cbc 00000066 f86d4740 00002d4f f868026c f868026c 00000001 f6def000
>Nov 08 00:59:41 NC10 kernel:  f6c07d00 f4b25ca8 c0256893 00000009 f4b25ca0 f86e2fc3 f4b25cbc f4b25d24
>Nov 08 00:59:41 NC10 kernel: Call Trace:
>Nov 08 00:59:41 NC10 kernel:  [<c0206232>] try_stack_unwind+0x132/0x140
>Nov 08 00:59:41 NC10 kernel:  [<c02052de>] dump_trace+0x5e/0x210
>Nov 08 00:59:41 NC10 kernel:  [<c0206286>] show_trace_log_lvl+0x46/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c020555b>] show_stack_log_lvl+0xcb/0x110
>Nov 08 00:59:41 NC10 kernel:  [<c0206316>] show_stack+0x26/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c05108a8>] dump_stack+0x41/0x59
>Nov 08 00:59:41 NC10 kernel:  [<c0256827>] warn_slowpath_common+0x87/0xc0
>Nov 08 00:59:41 NC10 kernel:  [<c0256893>] warn_slowpath_fmt+0x33/0x40
>Nov 08 00:59:41 NC10 kernel:  [<f868026c>] intel_plane_atomic_calc_changes+0x51c/0x690 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f8660935>] intel_plane_atomic_check+0xb5/0x1c0 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f81e3a01>] drm_atomic_helper_check_planes+0xb1/0x1b0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f867a980>] intel_atomic_check+0x150/0x630 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f840099e>] drm_atomic_check_only+0x22e/0x5a0 [drm]
>Nov 08 00:59:41 NC10 kernel:  [<f8400d26>] drm_atomic_commit+0x16/0x60 [drm]
>Nov 08 00:59:41 NC10 kernel:  [<f81e24bf>] drm_atomic_helper_set_config+0x17f/0x3e0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f83f09fe>] drm_mode_set_config_internal+0x4e/0xc0 [drm]
>Nov 08 00:59:41 NC10 kernel:  [<f81e5154>] restore_fbdev_mode+0xc4/0x130 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6e4e>] drm_fb_helper_restore_fbdev_mode_unlocked+0x1e/0x50 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6ead>] drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6ddc>] drm_fb_helper_hotplug_event+0xac/0x100 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f868dfaa>] intel_fbdev_output_poll_changed+0x1a/0x20 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f81db521>] drm_kms_helper_hotplug_event+0x21/0x30 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81db718>] output_poll_execute+0x188/0x1c0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<c026b7c5>] process_one_work+0x155/0x3e0
>Nov 08 00:59:41 NC10 kernel:  [<c026ba87>] worker_thread+0x37/0x490
>Nov 08 00:59:41 NC10 kernel:  [<c0270e3b>] kthread+0x9b/0xb0
>Nov 08 00:59:41 NC10 kernel:  [<c07d2bf1>] ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: usb 5-8: new high-speed USB device number 3 using ehci-pci
>Nov 08 00:59:41 NC10 kernel: DWARF2 unwinder stuck at ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: 
>Nov 08 00:59:41 NC10 kernel: Leftover inexact backtrace:
>Nov 08 00:59:41 NC10 kernel:  [<c0270da0>] ? kthread_park+0x50/0x50
>Nov 08 00:59:41 NC10 kernel: ---[ end trace a0a6fbfa836755da ]---
>Nov 08 00:59:41 NC10 kernel: ------------[ cut here ]------------
>Nov 08 00:59:41 NC10 kernel: WARNING: CPU: 1 PID: 102 at ../drivers/gpu/drm/drm_atomic_helper.c:674 drm_atomic_helper_update_legacy_modeset_state+0x26a/0x280 [drm_kms_helper]()
>Nov 08 00:59:41 NC10 kernel: Modules linked in: ata_piix(+) ahci libahci serio_raw libata i915 i2c_algo_bit ehci_pci drm_kms_helper syscopyarea uhci_hcd ehci_hcd usbcore usb_common sysfillrect sysimgblt fb_sys_fops sky2 drm fjes video button sg
>Nov 08 00:59:41 NC10 kernel: CPU: 1 PID: 102 Comm: kworker/1:2 Tainted: G        W       4.3.0-1-default #1
>Nov 08 00:59:41 NC10 kernel: Hardware name: SAMSUNG ELECTRONICS CO., LTD. NC10                       /NC10                       , BIOS 11CA.M015.20090908.RHU 09/08/2009
>Nov 08 00:59:41 NC10 kernel: Workqueue: events output_poll_execute [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  00000000 00000000 f4b25d38 c05108a8 00000000 f4b25d68 c0256827 c097848c
>Nov 08 00:59:41 NC10 kernel:  00000001 00000066 f81ea5ec 000002a2 f81e1f9a f81e1f9a f6c42000 00000000
>Nov 08 00:59:41 NC10 kernel:  f4bc4c00 f4b25d78 c0256902 00000009 00000000 f4b25da0 f81e1f9a f4b25da0
>Nov 08 00:59:41 NC10 kernel: Call Trace:
>Nov 08 00:59:41 NC10 kernel:  [<c0206232>] try_stack_unwind+0x132/0x140
>Nov 08 00:59:41 NC10 kernel:  [<c02052de>] dump_trace+0x5e/0x210
>Nov 08 00:59:41 NC10 kernel:  [<c0206286>] show_trace_log_lvl+0x46/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c020555b>] show_stack_log_lvl+0xcb/0x110
>Nov 08 00:59:41 NC10 kernel:  [<c0206316>] show_stack+0x26/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c05108a8>] dump_stack+0x41/0x59
>Nov 08 00:59:41 NC10 kernel:  [<c0256827>] warn_slowpath_common+0x87/0xc0
>Nov 08 00:59:41 NC10 kernel:  [<c0256902>] warn_slowpath_null+0x22/0x30
>Nov 08 00:59:41 NC10 kernel:  [<f81e1f9a>] drm_atomic_helper_update_legacy_modeset_state+0x26a/0x280 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f8679334>] intel_atomic_commit+0x494/0x5f0 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f8400d42>] drm_atomic_commit+0x32/0x60 [drm]
>Nov 08 00:59:41 NC10 kernel:  [<f81e24bf>] drm_atomic_helper_set_config+0x17f/0x3e0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f83f09fe>] drm_mode_set_config_internal+0x4e/0xc0 [drm]
>Nov 08 00:59:41 NC10 kernel:  [<f81e5154>] restore_fbdev_mode+0xc4/0x130 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6e4e>] drm_fb_helper_restore_fbdev_mode_unlocked+0x1e/0x50 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6ead>] drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6ddc>] drm_fb_helper_hotplug_event+0xac/0x100 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f868dfaa>] intel_fbdev_output_poll_changed+0x1a/0x20 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f81db521>] drm_kms_helper_hotplug_event+0x21/0x30 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81db718>] output_poll_execute+0x188/0x1c0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<c026b7c5>] process_one_work+0x155/0x3e0
>Nov 08 00:59:41 NC10 kernel:  [<c026ba87>] worker_thread+0x37/0x490
>Nov 08 00:59:41 NC10 kernel:  [<c0270e3b>] kthread+0x9b/0xb0
>Nov 08 00:59:41 NC10 kernel:  [<c07d2bf1>] ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: DWARF2 unwinder stuck at ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: 
>Nov 08 00:59:41 NC10 kernel: Leftover inexact backtrace:
>Nov 08 00:59:41 NC10 kernel:  [<c0270da0>] ? kthread_park+0x50/0x50
>Nov 08 00:59:41 NC10 kernel: ---[ end trace a0a6fbfa836755db ]---
>Nov 08 00:59:41 NC10 kernel: ------------[ cut here ]------------
>Nov 08 00:59:41 NC10 kernel: WARNING: CPU: 1 PID: 102 at ../drivers/gpu/drm/i915/intel_display.c:1389 assert_planes_disabled+0x100/0x140 [i915]()
>Nov 08 00:59:41 NC10 kernel: plane B assertion failure, should be off on pipe B but is still active
>Nov 08 00:59:41 NC10 kernel: Modules linked in: ata_piix(+) ahci libahci serio_raw libata i915 i2c_algo_bit ehci_pci drm_kms_helper syscopyarea uhci_hcd ehci_hcd usbcore usb_common sysfillrect sysimgblt fb_sys_fops sky2 drm fjes video button sg
>Nov 08 00:59:41 NC10 kernel: CPU: 1 PID: 102 Comm: kworker/1:2 Tainted: G        W       4.3.0-1-default #1
>Nov 08 00:59:41 NC10 kernel: Hardware name: SAMSUNG ELECTRONICS CO., LTD. NC10                       /NC10                       , BIOS 11CA.M015.20090908.RHU 09/08/2009
>Nov 08 00:59:41 NC10 kernel: Workqueue: events output_poll_execute [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  00000000 00000000 f4b25cd0 c05108a8 f4b25d10 f4b25d00 c0256827 f86d49e8
>Nov 08 00:59:41 NC10 kernel:  f4b25d2c 00000066 f86d4740 0000056d f86650b0 f86650b0 f6d68000 00000042
>Nov 08 00:59:41 NC10 kernel:  00000001 f4b25d18 c0256893 00000009 f4b25d10 f86d49e8 f4b25d2c f4b25d44
>Nov 08 00:59:41 NC10 kernel: Call Trace:
>Nov 08 00:59:41 NC10 kernel:  [<c0206232>] try_stack_unwind+0x132/0x140
>Nov 08 00:59:41 NC10 kernel:  [<c02052de>] dump_trace+0x5e/0x210
>Nov 08 00:59:41 NC10 kernel:  [<c0206286>] show_trace_log_lvl+0x46/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c020555b>] show_stack_log_lvl+0xcb/0x110
>Nov 08 00:59:41 NC10 kernel:  [<c0206316>] show_stack+0x26/0x50
>Nov 08 00:59:41 NC10 kernel:  [<c05108a8>] dump_stack+0x41/0x59
>Nov 08 00:59:41 NC10 kernel:  [<c0256827>] warn_slowpath_common+0x87/0xc0
>Nov 08 00:59:41 NC10 kernel:  [<c0256893>] warn_slowpath_fmt+0x33/0x40
>Nov 08 00:59:41 NC10 kernel:  [<f86650b0>] assert_planes_disabled+0x100/0x140 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f86722c7>] intel_enable_pipe+0x47/0x240 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f867b219>] i9xx_crtc_enable+0x2a9/0x430 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f86791ec>] intel_atomic_commit+0x34c/0x5f0 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f8400d42>] drm_atomic_commit+0x32/0x60 [drm]
>Nov 08 00:59:41 NC10 kernel:  [<f81e24bf>] drm_atomic_helper_set_config+0x17f/0x3e0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f83f09fe>] drm_mode_set_config_internal+0x4e/0xc0 [drm]
>Nov 08 00:59:41 NC10 kernel:  [<f81e5154>] restore_fbdev_mode+0xc4/0x130 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6e4e>] drm_fb_helper_restore_fbdev_mode_unlocked+0x1e/0x50 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6ead>] drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81e6ddc>] drm_fb_helper_hotplug_event+0xac/0x100 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f868dfaa>] intel_fbdev_output_poll_changed+0x1a/0x20 [i915]
>Nov 08 00:59:41 NC10 kernel:  [<f81db521>] drm_kms_helper_hotplug_event+0x21/0x30 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<f81db718>] output_poll_execute+0x188/0x1c0 [drm_kms_helper]
>Nov 08 00:59:41 NC10 kernel:  [<c026b7c5>] process_one_work+0x155/0x3e0
>Nov 08 00:59:41 NC10 kernel:  [<c026ba87>] worker_thread+0x37/0x490
>Nov 08 00:59:41 NC10 kernel:  [<c0270e3b>] kthread+0x9b/0xb0
>Nov 08 00:59:41 NC10 kernel:  [<c07d2bf1>] ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: DWARF2 unwinder stuck at ret_from_kernel_thread+0x21/0x30
>Nov 08 00:59:41 NC10 kernel: 
>Nov 08 00:59:41 NC10 kernel: Leftover inexact backtrace:
>Nov 08 00:59:41 NC10 kernel:  [<c0270da0>] ? kthread_park+0x50/0x50
>Nov 08 00:59:41 NC10 kernel: ---[ end trace a0a6fbfa836755dc ]---

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