Public bug reported:
Linux myhost 4.4.0-45-generic #66-Ubuntu SMP Wed Oct 19 14:12:05 UTC
2016 i686 i686 i686 GNU/Linux
syslog:
Nov 5 21:15:45 myhost kernel: [ 53.532149] ------------[ cut here
]------------
Nov 5 21:15:45 myhost kernel: [ 53.532252] WARNING: CPU: 0 PID: 369 at
/build/linux-LfgES4/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:12744
intel_modeset_check_state+0x556/0x910 [i915]()
Nov 5 21:15:45 myhost kernel: [ 53.532257] encoder's enabled state mismatch
(expected 0, found 1)
Nov 5 21:15:45 myhost kernel: [ 53.532261] Modules linked in: xt_tcpudp
xt_conntrack iptable_filter ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables
x_tables gpio_ich snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
ppdev snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi
snd_seq_midi_event coretemp snd_rawmidi ax88179_178a lpc_ich serio_raw snd_seq
usbnet snd_seq_device snd_timer snd shpchp soundcore parport_pc 8250_fintek
mac_hid ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp
libiscsi_tcp libiscsi scsi_transport_iscsi lp parport autofs4 btrfs raid10
raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid1 raid0 multipath linear i915 ahci psmouse r8169 libahci
i2c_algo_bit drm_kms_helper pata_acpi syscopyarea sysfillrect sysimgblt
fb_sys_fops drm mii fjes video
Nov 5 21:15:45 myhost kernel: [ 53.532402] CPU: 0 PID: 369 Comm: kworker/0:2
Tainted: G W 4.4.0-45-generic #66-Ubuntu
Nov 5 21:15:45 myhost kernel: [ 53.532406] Hardware name:
/D945GSEJT , BIOS JT94510H.86A.0025.2009.0306.1639 03/06/2009
Nov 5 21:15:45 myhost kernel: [ 53.532432] Workqueue: events
output_poll_execute [drm_kms_helper]
Nov 5 21:15:45 myhost kernel: [ 53.532438] c1acf967 c1e2b340 00000286
f15d1d20 c13a745f f15d1d60 f89d68b8 f15d1d50
Nov 5 21:15:45 myhost kernel: [ 53.532451] c1070307 f89d89c8 f15d1d80
00000171 f89d68b8 000031c8 f896b696 f896b696
Nov 5 21:15:45 myhost kernel: [ 53.532463] f58bc5d8 f5b6ea80 f58bc5e4
f15d1d6c c107037e 00000009 f15d1d60 f89d89c8
Nov 5 21:15:45 myhost kernel: [ 53.532475] Call Trace:
Nov 5 21:15:45 myhost kernel: [ 53.532488] [<c13a745f>] dump_stack+0x58/0x79
Nov 5 21:15:45 myhost kernel: [ 53.532498] [<c1070307>]
warn_slowpath_common+0x87/0xc0
Nov 5 21:15:45 myhost kernel: [ 53.532585] [<f896b696>] ?
intel_modeset_check_state+0x556/0x910 [i915]
Nov 5 21:15:45 myhost kernel: [ 53.532667] [<f896b696>] ?
intel_modeset_check_state+0x556/0x910 [i915]
Nov 5 21:15:45 myhost kernel: [ 53.532674] [<c107037e>]
warn_slowpath_fmt+0x3e/0x60
Nov 5 21:15:45 myhost kernel: [ 53.532757] [<f896b696>]
intel_modeset_check_state+0x556/0x910 [i915]
Nov 5 21:15:45 myhost kernel: [ 53.532841] [<f897711d>]
intel_atomic_commit+0x4cd/0x6a0 [i915]
Nov 5 21:15:45 myhost kernel: [ 53.532894] [<f875148e>] ?
drm_atomic_check_only+0x1ae/0x600 [drm]
Nov 5 21:15:45 myhost kernel: [ 53.532943] [<f8750129>] ?
drm_modeset_lock+0x49/0xd0 [drm]
Nov 5 21:15:45 myhost kernel: [ 53.532994] [<f8751912>]
drm_atomic_commit+0x32/0x60 [drm]
Nov 5 21:15:45 myhost kernel: [ 53.533020] [<f85e3653>]
restore_fbdev_mode+0x253/0x290 [drm_kms_helper]
Nov 5 21:15:45 myhost kernel: [ 53.533070] [<f8750244>] ?
drm_modeset_lock_all_ctx+0x94/0xb0 [drm]
Nov 5 21:15:45 myhost kernel: [ 53.533096] [<f85e56a7>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x70 [drm_kms_helper]
Nov 5 21:15:45 myhost kernel: [ 53.533121] [<f85e571d>]
drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
Nov 5 21:15:45 myhost kernel: [ 53.533146] [<f85e562c>]
drm_fb_helper_hotplug_event+0xcc/0x120 [drm_kms_helper]
Nov 5 21:15:45 myhost kernel: [ 53.533229] [<f898c9ba>]
intel_fbdev_output_poll_changed+0x1a/0x20 [i915]
Nov 5 21:15:45 myhost kernel: [ 53.533252] [<f85d86b1>]
drm_kms_helper_hotplug_event+0x21/0x30 [drm_kms_helper]
Nov 5 21:15:45 myhost kernel: [ 53.533276] [<f85d88a8>]
output_poll_execute+0x188/0x1c0 [drm_kms_helper]
Nov 5 21:15:45 myhost kernel: [ 53.533285] [<c1087751>]
process_one_work+0x121/0x3f0
Nov 5 21:15:45 myhost kernel: [ 53.533292] [<c1087c2a>]
worker_thread+0x20a/0x490
Nov 5 21:15:45 myhost kernel: [ 53.533300] [<c1087a20>] ?
process_one_work+0x3f0/0x3f0
Nov 5 21:15:45 myhost kernel: [ 53.533306] [<c108cf06>] kthread+0xa6/0xc0
Nov 5 21:15:45 myhost kernel: [ 53.533315] [<c17b3349>]
ret_from_kernel_thread+0x21/0x38
Nov 5 21:15:45 myhost kernel: [ 53.533321] [<c108ce60>] ?
kthread_create_on_node+0x170/0x170
Nov 5 21:15:45 myhost kernel: [ 53.533327] ---[ end trace 361aeae89ccf24ea
]---
** Affects: ubuntu
Importance: Undecided
Status: New
** Description changed:
- Linux myhost 4.4.0-45-generic #66-Ubuntu SMP Wed Oct 19 14:12:05 UTC
+ Linux myhost 4.4.0-45-generic #66-Ubuntu SMP Wed Oct 19 14:12:05 UTC
2016 i686 i686 i686 GNU/Linux
syslog:
-
- Nov 5 21:15:45 linutop kernel: [ 53.532149] ------------[ cut here
]------------
- Nov 5 21:15:45 linutop kernel: [ 53.532252] WARNING: CPU: 0 PID: 369 at
/build/linux-LfgES4/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:12744
intel_modeset_check_state+0x556/0x910 [i915]()
- Nov 5 21:15:45 linutop kernel: [ 53.532257] encoder's enabled state
mismatch (expected 0, found 1)
- Nov 5 21:15:45 linutop kernel: [ 53.532261] Modules linked in: xt_tcpudp
xt_conntrack iptable_filter ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables
x_tables gpio_ich snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
ppdev snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi
snd_seq_midi_event coretemp snd_rawmidi ax88179_178a lpc_ich serio_raw snd_seq
usbnet snd_seq_device snd_timer snd shpchp soundcore parport_pc 8250_fintek
mac_hid ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp
libiscsi_tcp libiscsi scsi_transport_iscsi lp parport autofs4 btrfs raid10
raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid1 raid0 multipath linear i915 ahci psmouse r8169 libahci
i2c_algo_bit drm_kms_helper pata_acpi syscopyarea sysfillrect sysimgblt
fb_sys_fops drm mii fjes video
- Nov 5 21:15:45 linutop kernel: [ 53.532402] CPU: 0 PID: 369 Comm:
kworker/0:2 Tainted: G W 4.4.0-45-generic #66-Ubuntu
- Nov 5 21:15:45 linutop kernel: [ 53.532406] Hardware name:
/D945GSEJT , BIOS JT94510H.86A.0025.2009.0306.1639 03/06/2009
- Nov 5 21:15:45 linutop kernel: [ 53.532432] Workqueue: events
output_poll_execute [drm_kms_helper]
- Nov 5 21:15:45 linutop kernel: [ 53.532438] c1acf967 c1e2b340 00000286
f15d1d20 c13a745f f15d1d60 f89d68b8 f15d1d50
- Nov 5 21:15:45 linutop kernel: [ 53.532451] c1070307 f89d89c8 f15d1d80
00000171 f89d68b8 000031c8 f896b696 f896b696
- Nov 5 21:15:45 linutop kernel: [ 53.532463] f58bc5d8 f5b6ea80 f58bc5e4
f15d1d6c c107037e 00000009 f15d1d60 f89d89c8
- Nov 5 21:15:45 linutop kernel: [ 53.532475] Call Trace:
- Nov 5 21:15:45 linutop kernel: [ 53.532488] [<c13a745f>]
dump_stack+0x58/0x79
- Nov 5 21:15:45 linutop kernel: [ 53.532498] [<c1070307>]
warn_slowpath_common+0x87/0xc0
- Nov 5 21:15:45 linutop kernel: [ 53.532585] [<f896b696>] ?
intel_modeset_check_state+0x556/0x910 [i915]
- Nov 5 21:15:45 linutop kernel: [ 53.532667] [<f896b696>] ?
intel_modeset_check_state+0x556/0x910 [i915]
- Nov 5 21:15:45 linutop kernel: [ 53.532674] [<c107037e>]
warn_slowpath_fmt+0x3e/0x60
- Nov 5 21:15:45 linutop kernel: [ 53.532757] [<f896b696>]
intel_modeset_check_state+0x556/0x910 [i915]
- Nov 5 21:15:45 linutop kernel: [ 53.532841] [<f897711d>]
intel_atomic_commit+0x4cd/0x6a0 [i915]
- Nov 5 21:15:45 linutop kernel: [ 53.532894] [<f875148e>] ?
drm_atomic_check_only+0x1ae/0x600 [drm]
- Nov 5 21:15:45 linutop kernel: [ 53.532943] [<f8750129>] ?
drm_modeset_lock+0x49/0xd0 [drm]
- Nov 5 21:15:45 linutop kernel: [ 53.532994] [<f8751912>]
drm_atomic_commit+0x32/0x60 [drm]
- Nov 5 21:15:45 linutop kernel: [ 53.533020] [<f85e3653>]
restore_fbdev_mode+0x253/0x290 [drm_kms_helper]
- Nov 5 21:15:45 linutop kernel: [ 53.533070] [<f8750244>] ?
drm_modeset_lock_all_ctx+0x94/0xb0 [drm]
- Nov 5 21:15:45 linutop kernel: [ 53.533096] [<f85e56a7>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x70 [drm_kms_helper]
- Nov 5 21:15:45 linutop kernel: [ 53.533121] [<f85e571d>]
drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
- Nov 5 21:15:45 linutop kernel: [ 53.533146] [<f85e562c>]
drm_fb_helper_hotplug_event+0xcc/0x120 [drm_kms_helper]
- Nov 5 21:15:45 linutop kernel: [ 53.533229] [<f898c9ba>]
intel_fbdev_output_poll_changed+0x1a/0x20 [i915]
- Nov 5 21:15:45 linutop kernel: [ 53.533252] [<f85d86b1>]
drm_kms_helper_hotplug_event+0x21/0x30 [drm_kms_helper]
- Nov 5 21:15:45 linutop kernel: [ 53.533276] [<f85d88a8>]
output_poll_execute+0x188/0x1c0 [drm_kms_helper]
- Nov 5 21:15:45 linutop kernel: [ 53.533285] [<c1087751>]
process_one_work+0x121/0x3f0
- Nov 5 21:15:45 linutop kernel: [ 53.533292] [<c1087c2a>]
worker_thread+0x20a/0x490
- Nov 5 21:15:45 linutop kernel: [ 53.533300] [<c1087a20>] ?
process_one_work+0x3f0/0x3f0
- Nov 5 21:15:45 linutop kernel: [ 53.533306] [<c108cf06>] kthread+0xa6/0xc0
- Nov 5 21:15:45 linutop kernel: [ 53.533315] [<c17b3349>]
ret_from_kernel_thread+0x21/0x38
- Nov 5 21:15:45 linutop kernel: [ 53.533321] [<c108ce60>] ?
kthread_create_on_node+0x170/0x170
- Nov 5 21:15:45 linutop kernel: [ 53.533327] ---[ end trace
361aeae89ccf24ea ]---
+ Nov 5 21:15:45 myhost kernel: [ 53.532149] ------------[ cut here
]------------
+ Nov 5 21:15:45 myhost kernel: [ 53.532252] WARNING: CPU: 0 PID: 369 at
/build/linux-LfgES4/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:12744
intel_modeset_check_state+0x556/0x910 [i915]()
+ Nov 5 21:15:45 myhost kernel: [ 53.532257] encoder's enabled state
mismatch (expected 0, found 1)
+ Nov 5 21:15:45 myhost kernel: [ 53.532261] Modules linked in: xt_tcpudp
xt_conntrack iptable_filter ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables
x_tables gpio_ich snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
ppdev snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi
snd_seq_midi_event coretemp snd_rawmidi ax88179_178a lpc_ich serio_raw snd_seq
usbnet snd_seq_device snd_timer snd shpchp soundcore parport_pc 8250_fintek
mac_hid ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp
libiscsi_tcp libiscsi scsi_transport_iscsi lp parport autofs4 btrfs raid10
raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid1 raid0 multipath linear i915 ahci psmouse r8169 libahci
i2c_algo_bit drm_kms_helper pata_acpi syscopyarea sysfillrect sysimgblt
fb_sys_fops drm mii fjes video
+ Nov 5 21:15:45 myhost kernel: [ 53.532402] CPU: 0 PID: 369 Comm:
kworker/0:2 Tainted: G W 4.4.0-45-generic #66-Ubuntu
+ Nov 5 21:15:45 myhost kernel: [ 53.532406] Hardware name:
/D945GSEJT , BIOS JT94510H.86A.0025.2009.0306.1639 03/06/2009
+ Nov 5 21:15:45 myhost kernel: [ 53.532432] Workqueue: events
output_poll_execute [drm_kms_helper]
+ Nov 5 21:15:45 myhost kernel: [ 53.532438] c1acf967 c1e2b340 00000286
f15d1d20 c13a745f f15d1d60 f89d68b8 f15d1d50
+ Nov 5 21:15:45 myhost kernel: [ 53.532451] c1070307 f89d89c8 f15d1d80
00000171 f89d68b8 000031c8 f896b696 f896b696
+ Nov 5 21:15:45 myhost kernel: [ 53.532463] f58bc5d8 f5b6ea80 f58bc5e4
f15d1d6c c107037e 00000009 f15d1d60 f89d89c8
+ Nov 5 21:15:45 myhost kernel: [ 53.532475] Call Trace:
+ Nov 5 21:15:45 myhost kernel: [ 53.532488] [<c13a745f>]
dump_stack+0x58/0x79
+ Nov 5 21:15:45 myhost kernel: [ 53.532498] [<c1070307>]
warn_slowpath_common+0x87/0xc0
+ Nov 5 21:15:45 myhost kernel: [ 53.532585] [<f896b696>] ?
intel_modeset_check_state+0x556/0x910 [i915]
+ Nov 5 21:15:45 myhost kernel: [ 53.532667] [<f896b696>] ?
intel_modeset_check_state+0x556/0x910 [i915]
+ Nov 5 21:15:45 myhost kernel: [ 53.532674] [<c107037e>]
warn_slowpath_fmt+0x3e/0x60
+ Nov 5 21:15:45 myhost kernel: [ 53.532757] [<f896b696>]
intel_modeset_check_state+0x556/0x910 [i915]
+ Nov 5 21:15:45 myhost kernel: [ 53.532841] [<f897711d>]
intel_atomic_commit+0x4cd/0x6a0 [i915]
+ Nov 5 21:15:45 myhost kernel: [ 53.532894] [<f875148e>] ?
drm_atomic_check_only+0x1ae/0x600 [drm]
+ Nov 5 21:15:45 myhost kernel: [ 53.532943] [<f8750129>] ?
drm_modeset_lock+0x49/0xd0 [drm]
+ Nov 5 21:15:45 myhost kernel: [ 53.532994] [<f8751912>]
drm_atomic_commit+0x32/0x60 [drm]
+ Nov 5 21:15:45 myhost kernel: [ 53.533020] [<f85e3653>]
restore_fbdev_mode+0x253/0x290 [drm_kms_helper]
+ Nov 5 21:15:45 myhost kernel: [ 53.533070] [<f8750244>] ?
drm_modeset_lock_all_ctx+0x94/0xb0 [drm]
+ Nov 5 21:15:45 myhost kernel: [ 53.533096] [<f85e56a7>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x70 [drm_kms_helper]
+ Nov 5 21:15:45 myhost kernel: [ 53.533121] [<f85e571d>]
drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
+ Nov 5 21:15:45 myhost kernel: [ 53.533146] [<f85e562c>]
drm_fb_helper_hotplug_event+0xcc/0x120 [drm_kms_helper]
+ Nov 5 21:15:45 myhost kernel: [ 53.533229] [<f898c9ba>]
intel_fbdev_output_poll_changed+0x1a/0x20 [i915]
+ Nov 5 21:15:45 myhost kernel: [ 53.533252] [<f85d86b1>]
drm_kms_helper_hotplug_event+0x21/0x30 [drm_kms_helper]
+ Nov 5 21:15:45 myhost kernel: [ 53.533276] [<f85d88a8>]
output_poll_execute+0x188/0x1c0 [drm_kms_helper]
+ Nov 5 21:15:45 myhost kernel: [ 53.533285] [<c1087751>]
process_one_work+0x121/0x3f0
+ Nov 5 21:15:45 myhost kernel: [ 53.533292] [<c1087c2a>]
worker_thread+0x20a/0x490
+ Nov 5 21:15:45 myhost kernel: [ 53.533300] [<c1087a20>] ?
process_one_work+0x3f0/0x3f0
+ Nov 5 21:15:45 myhost kernel: [ 53.533306] [<c108cf06>] kthread+0xa6/0xc0
+ Nov 5 21:15:45 myhost kernel: [ 53.533315] [<c17b3349>]
ret_from_kernel_thread+0x21/0x38
+ Nov 5 21:15:45 myhost kernel: [ 53.533321] [<c108ce60>] ?
kthread_create_on_node+0x170/0x170
+ Nov 5 21:15:45 myhost kernel: [ 53.533327] ---[ end trace 361aeae89ccf24ea
]---
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https://bugs.launchpad.net/bugs/1639506
Title:
panic in i915
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