Public bug reported:
Binary package hint: xserver-xorg-video-intel
Sometimes, when the screensaver is active, hitting a key causes xorg to lock
up. I can still log in; the system itself isn't hung. Just xorg is hung. I
see the following in the logs:
Jun 4 07:01:59 nathan kernel: [44520.804137] INFO: task events/1:10 blocked
for more than 120 seconds.
Jun 4 07:01:59 nathan kernel: [44520.804152] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:01:59 nathan kernel: [44520.804165] events/1 D c07bcee0 0
10 2
Jun 4 07:01:59 nathan kernel: [44520.804184] f7089f1c 00000046 f57a4000
c07bcee0 f7080294 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:01:59 nathan kernel: [44520.804213] f7080294 c854fe50 0000285e
c07bcee0 f609a8c0 0000285e f7080000 f685d014
Jun 4 07:01:59 nathan kernel: [44520.804241] f685d018 ffffffff f7089f48
c053b356 f5793e30 f685d01c f7080000 f685d01c
Jun 4 07:01:59 nathan kernel: [44520.804268] Call Trace:
Jun 4 07:01:59 nathan kernel: [44520.804295] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:01:59 nathan kernel: [44520.804313] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:01:59 nathan kernel: [44520.804376] [<f85894da>]
i915_gem_retire_work_handler+0x2a/0x70 [i915]
Jun 4 07:01:59 nathan kernel: [44520.804397] [<c014b8ae>]
run_workqueue+0x6e/0x140
Jun 4 07:01:59 nathan kernel: [44520.804450] [<f85894b0>] ?
i915_gem_retire_work_handler+0x0/0x70 [i915]
Jun 4 07:01:59 nathan kernel: [44520.804468] [<c014ba08>]
worker_thread+0x88/0xf0
Jun 4 07:01:59 nathan kernel: [44520.804485] [<c014f900>] ?
autoremove_wake_function+0x0/0x40
Jun 4 07:01:59 nathan kernel: [44520.804501] [<c014b980>] ?
worker_thread+0x0/0xf0
Jun 4 07:01:59 nathan kernel: [44520.804516] [<c014f5a6>] kthread+0x46/0x80
Jun 4 07:01:59 nathan kernel: [44520.804529] [<c014f560>] ? kthread+0x0/0x80
Jun 4 07:01:59 nathan kernel: [44520.804546] [<c0103f57>]
kernel_thread_helper+0x7/0x10
Jun 4 07:01:59 nathan kernel: [44520.804625] INFO: task compiz.real:5982
blocked for more than 120 seconds.
Jun 4 07:01:59 nathan kernel: [44520.804635] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:01:59 nathan kernel: [44520.804646] compiz.real D c07bcee0 0
5982 5926
Jun 4 07:01:59 nathan kernel: [44520.804662] f57c1dc8 00000082 f67a4000
c07bcee0 f4cf4d34 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:01:59 nathan kernel: [44520.804689] f4cf4d34 c3164e0f 0000285e
c07bcee0 f609ba40 0000285e f4cf4aa0 f685d014
:Jun 4 07:01:59 nathan kernel: [44520.804716] f685d018 ffffffff f57c1df4
c053b356 f57c1ed0 f685d01c f4cf4aa0 f7089f30
Jun 4 07:01:59 nathan kernel: [44520.804743] Call Trace:
Jun 4 07:01:59 nathan kernel: [44520.804760] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:01:59 nathan kernel: [44520.804776] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:01:59 nathan kernel: [44520.804830] [<f858b4ea>]
i915_gem_gtt_pwrite_fast+0x4a/0x180 [i915]
Jun 4 07:01:59 nathan kernel: [44520.804901] [<f82c47fb>] ?
drm_gem_object_lookup+0x3b/0x50 [drm]
Jun 4 07:01:59 nathan kernel: [44520.804955] [<f858d880>]
i915_gem_pwrite_ioctl+0x1a0/0x220 [i915]
Jun 4 07:01:59 nathan kernel: [44520.805022] [<f82c372f>]
drm_ioctl+0x11f/0x360 [drm]
Jun 4 07:01:59 nathan kernel: [44520.805077] [<f858d6e0>] ?
i915_gem_pwrite_ioctl+0x0/0x220 [i915]
Jun 4 07:01:59 nathan kernel: [44520.805096] [<c0118ab6>] ?
lapic_next_event+0x16/0x20
Jun 4 07:01:59 nathan kernel: [44520.805114] [<c015c19d>] ?
clockevents_program_event+0x8d/0x140
Jun 4 07:01:59 nathan kernel: [44520.805130] [<c053c283>] ?
_spin_lock_irq+0x13/0x20
Jun 4 07:01:59 nathan kernel: [44520.805148] [<c01446b6>] ?
run_timer_softirq+0x176/0x200
Jun 4 07:01:59 nathan kernel: [44520.805166] [<c0122728>] ?
default_spin_lock_flags+0x8/0x10
Jun 4 07:01:59 nathan kernel: [44520.805182] [<c053c25a>] ?
_spin_lock_irqsave+0x2a/0x40
Jun 4 07:01:59 nathan kernel: [44520.805201] [<c0185d70>] ?
__rcu_process_callbacks+0x1a0/0x250
Jun 4 07:01:59 nathan kernel: [44520.805230] [<c01d84b3>] vfs_ioctl+0x83/0xa0
Jun 4 07:01:59 nathan kernel: [44520.805245] [<c01d8942>]
do_vfs_ioctl+0x72/0x2d0
Jun 4 07:01:59 nathan kernel: [44520.805261] [<c01d8bff>] sys_ioctl+0x5f/0x80
Jun 4 07:01:59 nathan kernel: [44520.805277] [<c0118d27>] ?
smp_apic_timer_interrupt+0x57/0x90
Jun 4 07:01:59 nathan kernel: [44520.805293] [<c010342c>] syscall_call+0x7/0xb
[...]
Jun 4 07:02:40 nathan kernel: [44560.989147] ===>rt_ioctl_giwscan. 2(2) BSS
returned, data->length = 239
Jun 4 07:03:59 nathan kernel: [44640.804104] INFO: task events/1:10 blocked
for more than 120 seconds.
Jun 4 07:03:59 nathan kernel: [44640.804120] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:03:59 nathan kernel: [44640.804133] events/1 D c07bcee0 0
10 2
Jun 4 07:03:59 nathan kernel: [44640.804151] f7089f1c 00000046 f57a4000
c07bcee0 f7080294 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:03:59 nathan kernel: [44640.804180] f7080294 c854fe50 0000285e
c07bcee0 f609a8c0 0000285e f7080000 f685d014
Jun 4 07:03:59 nathan kernel: [44640.804208] f685d018 ffffffff f7089f48
c053b356 f5793e30 f685d01c f7080000 f685d01c
Jun 4 07:03:59 nathan kernel: [44640.804235] Call Trace:
Jun 4 07:03:59 nathan kernel: [44640.804263] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:03:59 nathan kernel: [44640.804280] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:03:59 nathan kernel: [44640.804344] [<f85894da>]
i915_gem_retire_work_handler+0x2a/0x70 [i915]
Jun 4 07:03:59 nathan kernel: [44640.804364] [<c014b8ae>]
run_workqueue+0x6e/0x140
Jun 4 07:03:59 nathan kernel: [44640.804418] [<f85894b0>] ?
i915_gem_retire_work_handler+0x0/0x70 [i915]
Jun 4 07:03:59 nathan kernel: [44640.804436] [<c014ba08>]
worker_thread+0x88/0xf0
Jun 4 07:03:59 nathan kernel: [44640.804453] [<c014f900>] ?
autoremove_wake_function+0x0/0x40
Jun 4 07:03:59 nathan kernel: [44640.804469] [<c014b980>] ?
worker_thread+0x0/0xf0
Jun 4 07:03:59 nathan kernel: [44640.804483] [<c014f5a6>] kthread+0x46/0x80
Jun 4 07:03:59 nathan kernel: [44640.804497] [<c014f560>] ? kthread+0x0/0x80
Jun 4 07:03:59 nathan kernel: [44640.804514] [<c0103f57>]
kernel_thread_helper+0x7/0x10
Jun 4 07:03:59 nathan kernel: [44640.804593] INFO: task compiz.real:5982
blocked for more than 120 seconds.
Jun 4 07:03:59 nathan kernel: [44640.804603] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:03:59 nathan kernel: [44640.804614] compiz.real D c07bcee0 0
5982 5926
Jun 4 07:03:59 nathan kernel: [44640.804630] f57c1dc8 00000082 f67a4000
c07bcee0 f4cf4d34 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:03:59 nathan kernel: [44640.804657] f4cf4d34 c3164e0f 0000285e
c07bcee0 f609ba40 0000285e f4cf4aa0 f685d014
Jun 4 07:03:59 nathan kernel: [44640.804684] f685d018 ffffffff f57c1df4
c053b356 f57c1ed0 f685d01c f4cf4aa0 f7089f30
Jun 4 07:03:59 nathan kernel: [44640.804711] Call Trace:
Jun 4 07:03:59 nathan kernel: [44640.804728] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:03:59 nathan kernel: [44640.804744] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:03:59 nathan kernel: [44640.804799] [<f858b4ea>]
i915_gem_gtt_pwrite_fast+0x4a/0x180 [i915]
Jun 4 07:03:59 nathan kernel: [44640.804869] [<f82c47fb>] ?
drm_gem_object_lookup+0x3b/0x50 [drm]
Jun 4 07:03:59 nathan kernel: [44640.804923] [<f858d880>]
i915_gem_pwrite_ioctl+0x1a0/0x220 [i915]
Jun 4 07:03:59 nathan kernel: [44640.804990] [<f82c372f>]
drm_ioctl+0x11f/0x360 [drm]
Jun 4 07:03:59 nathan kernel: [44640.805045] [<f858d6e0>] ?
i915_gem_pwrite_ioctl+0x0/0x220 [i915]
Jun 4 07:03:59 nathan kernel: [44640.805065] [<c0118ab6>] ?
lapic_next_event+0x16/0x20
Jun 4 07:03:59 nathan kernel: [44640.805082] [<c015c19d>] ?
clockevents_program_event+0x8d/0x140
Jun 4 07:03:59 nathan kernel: [44640.805099] [<c053c283>] ?
_spin_lock_irq+0x13/0x20
Jun 4 07:03:59 nathan kernel: [44640.805116] [<c01446b6>] ?
run_timer_softirq+0x176/0x200
Jun 4 07:03:59 nathan kernel: [44640.805135] [<c0122728>] ?
default_spin_lock_flags+0x8/0x10
Jun 4 07:03:59 nathan kernel: [44640.805151] [<c053c25a>] ?
_spin_lock_irqsave+0x2a/0x40
Jun 4 07:03:59 nathan kernel: [44640.805169] [<c0185d70>] ?
__rcu_process_callbacks+0x1a0/0x250
Jun 4 07:03:59 nathan kernel: [44640.805198] [<c01d84b3>] vfs_ioctl+0x83/0xa0
Jun 4 07:03:59 nathan kernel: [44640.805214] [<c01d8942>]
do_vfs_ioctl+0x72/0x2d0
Jun 4 07:03:59 nathan kernel: [44640.805229] [<c01d8bff>] sys_ioctl+0x5f/0x80
Jun 4 07:03:59 nathan kernel: [44640.805245] [<c0118d27>] ?
smp_apic_timer_interrupt+0x57/0x90
Jun 4 07:03:59 nathan kernel: [44640.805262] [<c010342c>] syscall_call+0x7/0xb
Jun 4 07:04:40 nathan wpa_supplicant[4024]: CTRL-EVENT-SCAN-RESULTS
Jun 4 07:04:40 nathan kernel: [44680.989172] ===>rt_ioctl_giwscan. 3(3) BSS
returned, data->length = 398
Jun 4 07:05:59 nathan kernel: [44760.804084] INFO: task events/1:10 blocked
for more than 120 seconds.
Jun 4 07:05:59 nathan kernel: [44760.804100] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:05:59 nathan kernel: [44760.804112] events/1 D c07bcee0 0
10 2
Jun 4 07:05:59 nathan kernel: [44760.804130] f7089f1c 00000046 f57a4000
c07bcee0 f7080294 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:05:59 nathan kernel: [44760.804160] f7080294 c854fe50 0000285e
c07bcee0 f609a8c0 0000285e f7080000 f685d014
Jun 4 07:05:59 nathan kernel: [44760.804187] f685d018 ffffffff f7089f48
c053b356 f5793e30 f685d01c f7080000 f685d01c
Jun 4 07:05:59 nathan kernel: [44760.804215] Call Trace:
Jun 4 07:05:59 nathan kernel: [44760.804242] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:05:59 nathan kernel: [44760.804260] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:05:59 nathan kernel: [44760.804324] [<f85894da>]
i915_gem_retire_work_handler+0x2a/0x70 [i915]
Jun 4 07:05:59 nathan kernel: [44760.804344] [<c014b8ae>]
run_workqueue+0x6e/0x140
Jun 4 07:05:59 nathan kernel: [44760.804397] [<f85894b0>] ?
i915_gem_retire_work_handler+0x0/0x70 [i915]
Jun 4 07:05:59 nathan kernel: [44760.804415] [<c014ba08>]
worker_thread+0x88/0xf0
Jun 4 07:05:59 nathan kernel: [44760.804432] [<c014f900>] ?
autoremove_wake_function+0x0/0x40
Jun 4 07:05:59 nathan kernel: [44760.804448] [<c014b980>] ?
worker_thread+0x0/0xf0
Jun 4 07:05:59 nathan kernel: [44760.804463] [<c014f5a6>] kthread+0x46/0x80
Jun 4 07:05:59 nathan kernel: [44760.804476] [<c014f560>] ? kthread+0x0/0x80
Jun 4 07:05:59 nathan kernel: [44760.804493] [<c0103f57>]
kernel_thread_helper+0x7/0x10
Jun 4 07:05:59 nathan kernel: [44760.804573] INFO: task compiz.real:5982
blocked for more than 120 seconds.
Jun 4 07:05:59 nathan kernel: [44760.804583] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:05:59 nathan kernel: [44760.804594] compiz.real D c07bcee0 0
5982 5926
Jun 4 07:05:59 nathan kernel: [44760.804610] f57c1dc8 00000082 f67a4000
c07bcee0 f4cf4d34 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:05:59 nathan kernel: [44760.804637] f4cf4d34 c3164e0f 0000285e
c07bcee0 f609ba40 0000285e f4cf4aa0 f685d014
Jun 4 07:05:59 nathan kernel: [44760.804665] f685d018 ffffffff f57c1df4
c053b356 f57c1ed0 f685d01c f4cf4aa0 f7089f30
Jun 4 07:05:59 nathan kernel: [44760.804691] Call Trace:
Jun 4 07:05:59 nathan kernel: [44760.804708] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:05:59 nathan kernel: [44760.804724] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:05:59 nathan kernel: [44760.804779] [<f858b4ea>]
i915_gem_gtt_pwrite_fast+0x4a/0x180 [i915]
Jun 4 07:05:59 nathan kernel: [44760.804849] [<f82c47fb>] ?
drm_gem_object_lookup+0x3b/0x50 [drm]
Jun 4 07:05:59 nathan kernel: [44760.804904] [<f858d880>]
i915_gem_pwrite_ioctl+0x1a0/0x220 [i915]
Jun 4 07:05:59 nathan kernel: [44760.804971] [<f82c372f>]
drm_ioctl+0x11f/0x360 [drm]
Jun 4 07:05:59 nathan kernel: [44760.805025] [<f858d6e0>] ?
i915_gem_pwrite_ioctl+0x0/0x220 [i915]
Jun 4 07:05:59 nathan kernel: [44760.805057] [<c0118ab6>] ?
lapic_next_event+0x16/0x20
Jun 4 07:05:59 nathan kernel: [44760.805080] [<c015c19d>] ?
clockevents_program_event+0x8d/0x140
Jun 4 07:05:59 nathan kernel: [44760.805104] [<c053c283>] ?
_spin_lock_irq+0x13/0x20
Jun 4 07:05:59 nathan kernel: [44760.805123] [<c01446b6>] ?
run_timer_softirq+0x176/0x200
Jun 4 07:05:59 nathan kernel: [44760.805142] [<c0122728>] ?
default_spin_lock_flags+0x8/0x10
Jun 4 07:05:59 nathan kernel: [44760.805158] [<c053c25a>] ?
_spin_lock_irqsave+0x2a/0x40
Jun 4 07:05:59 nathan kernel: [44760.805176] [<c0185d70>] ?
__rcu_process_callbacks+0x1a0/0x250
Jun 4 07:05:59 nathan kernel: [44760.805206] [<c01d84b3>] vfs_ioctl+0x83/0xa0
Jun 4 07:05:59 nathan kernel: [44760.805222] [<c01d8942>]
do_vfs_ioctl+0x72/0x2d0
Jun 4 07:05:59 nathan kernel: [44760.805237] [<c01d8bff>] sys_ioctl+0x5f/0x80
Jun 4 07:05:59 nathan kernel: [44760.805253] [<c0118d27>] ?
smp_apic_timer_interrupt+0x57/0x90
Jun 4 07:05:59 nathan kernel: [44760.805270] [<c010342c>] syscall_call+0x7/0xb
Jun 4 07:06:36 nathan wpa_supplicant[4024]: WPA: Group rekeying completed with
00:0f:66:51:1d:68 [GTK=CCMP]
Jun 4 07:06:36 nathan NetworkManager: <info> (ra0): supplicant connection
state: completed -> group handshake
Jun 4 07:06:36 nathan NetworkManager: <info> (ra0): supplicant connection
state: group handshake -> completed
Jun 4 07:06:40 nathan wpa_supplicant[4024]: CTRL-EVENT-SCAN-RESULTS
Jun 4 07:06:40 nathan kernel: [44800.987585] ===>rt_ioctl_giwscan. 3(3) BSS
returned, data->length = 398
Jun 4 07:07:59 nathan kernel: [44880.804093] INFO: task events/1:10 blocked
for more than 120 seconds.
Jun 4 07:07:59 nathan kernel: [44880.804109] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:07:59 nathan kernel: [44880.804122] events/1 D c07bcee0 0
10 2
Jun 4 07:07:59 nathan kernel: [44880.804140] f7089f1c 00000046 f57a4000
c07bcee0 f7080294 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:07:59 nathan kernel: [44880.804169] f7080294 c854fe50 0000285e
c07bcee0 f609a8c0 0000285e f7080000 f685d014
Jun 4 07:07:59 nathan kernel: [44880.804197] f685d018 ffffffff f7089f48
c053b356 f5793e30 f685d01c f7080000 f685d01c
Jun 4 07:07:59 nathan kernel: [44880.804224] Call Trace:
Jun 4 07:07:59 nathan kernel: [44880.804252] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:07:59 nathan kernel: [44880.804269] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:07:59 nathan kernel: [44880.804333] [<f85894da>]
i915_gem_retire_work_handler+0x2a/0x70 [i915]
Jun 4 07:07:59 nathan kernel: [44880.804354] [<c014b8ae>]
run_workqueue+0x6e/0x140
Jun 4 07:07:59 nathan kernel: [44880.804407] [<f85894b0>] ?
i915_gem_retire_work_handler+0x0/0x70 [i915]
Jun 4 07:07:59 nathan kernel: [44880.804425] [<c014ba08>]
worker_thread+0x88/0xf0
Jun 4 07:07:59 nathan kernel: [44880.804441] [<c014f900>] ?
autoremove_wake_function+0x0/0x40
Jun 4 07:07:59 nathan kernel: [44880.804458] [<c014b980>] ?
worker_thread+0x0/0xf0
Jun 4 07:07:59 nathan kernel: [44880.804472] [<c014f5a6>] kthread+0x46/0x80
Jun 4 07:07:59 nathan kernel: [44880.804486] [<c014f560>] ? kthread+0x0/0x80
Jun 4 07:07:59 nathan kernel: [44880.804502] [<c0103f57>]
kernel_thread_helper+0x7/0x10
Jun 4 07:07:59 nathan kernel: [44880.804582] INFO: task compiz.real:5982
blocked for more than 120 seconds.
Jun 4 07:07:59 nathan kernel: [44880.804592] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:07:59 nathan kernel: [44880.804603] compiz.real D c07bcee0 0
5982 5926
Jun 4 07:07:59 nathan kernel: [44880.804618] f57c1dc8 00000082 f67a4000
c07bcee0 f4cf4d34 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:07:59 nathan kernel: [44880.804646] f4cf4d34 c3164e0f 0000285e
c07bcee0 f609ba40 0000285e f4cf4aa0 f685d014
Jun 4 07:07:59 nathan kernel: [44880.804673] f685d018 ffffffff f57c1df4
c053b356 f57c1ed0 f685d01c f4cf4aa0 f7089f30
Jun 4 07:07:59 nathan kernel: [44880.804700] Call Trace:
Jun 4 07:07:59 nathan kernel: [44880.804717] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:07:59 nathan kernel: [44880.804733] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:07:59 nathan kernel: [44880.804788] [<f858b4ea>]
i915_gem_gtt_pwrite_fast+0x4a/0x180 [i915]
Jun 4 07:07:59 nathan kernel: [44880.804858] [<f82c47fb>] ?
drm_gem_object_lookup+0x3b/0x50 [drm]
Jun 4 07:07:59 nathan kernel: [44880.804913] [<f858d880>]
i915_gem_pwrite_ioctl+0x1a0/0x220 [i915]
Jun 4 07:07:59 nathan kernel: [44880.804980] [<f82c372f>]
drm_ioctl+0x11f/0x360 [drm]
Jun 4 07:07:59 nathan kernel: [44880.805035] [<f858d6e0>] ?
i915_gem_pwrite_ioctl+0x0/0x220 [i915]
Jun 4 07:07:59 nathan kernel: [44880.805068] [<c0118ab6>] ?
lapic_next_event+0x16/0x20
Jun 4 07:07:59 nathan kernel: [44880.805091] [<c015c19d>] ?
clockevents_program_event+0x8d/0x140
Jun 4 07:07:59 nathan kernel: [44880.805112] [<c053c283>] ?
_spin_lock_irq+0x13/0x20
Jun 4 07:07:59 nathan kernel: [44880.805136] [<c01446b6>] ?
run_timer_softirq+0x176/0x200
Jun 4 07:07:59 nathan kernel: [44880.805159] [<c0122728>] ?
default_spin_lock_flags+0x8/0x10
Jun 4 07:07:59 nathan kernel: [44880.805175] [<c053c25a>] ?
_spin_lock_irqsave+0x2a/0x40
Jun 4 07:07:59 nathan kernel: [44880.805194] [<c0185d70>] ?
__rcu_process_callbacks+0x1a0/0x250
Jun 4 07:07:59 nathan kernel: [44880.805223] [<c01d84b3>] vfs_ioctl+0x83/0xa0
Jun 4 07:07:59 nathan kernel: [44880.805239] [<c01d8942>]
do_vfs_ioctl+0x72/0x2d0
Jun 4 07:07:59 nathan kernel: [44880.805254] [<c01d8bff>] sys_ioctl+0x5f/0x80
Jun 4 07:07:59 nathan kernel: [44880.805270] [<c0118d27>] ?
smp_apic_timer_interrupt+0x57/0x90
Jun 4 07:07:59 nathan kernel: [44880.805287] [<c010342c>] syscall_call+0x7/0xb
Jun 4 07:08:40 nathan wpa_supplicant[4024]: CTRL-EVENT-SCAN-RESULTS
Jun 4 07:08:40 nathan kernel: [44920.986908] ===>rt_ioctl_giwscan. 2(2) BSS
returned, data->length = 239
Jun 4 07:09:59 nathan kernel: [45000.804174] INFO: task events/1:10 blocked
for more than 120 seconds.
Jun 4 07:09:59 nathan kernel: [45000.804194] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:09:59 nathan kernel: [45000.804211] events/1 D c07bcee0 0
10 2
Jun 4 07:09:59 nathan kernel: [45000.804236] f7089f1c 00000046 f57a4000
c07bcee0 f7080294 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:09:59 nathan kernel: [45000.804277] f7080294 c854fe50 0000285e
c07bcee0 f609a8c0 0000285e f7080000 f685d014
Jun 4 07:09:59 nathan kernel: [45000.804317] f685d018 ffffffff f7089f48
c053b356 f5793e30 f685d01c f7080000 f685d01c
Jun 4 07:09:59 nathan kernel: [45000.804358] Call Trace:
Jun 4 07:09:59 nathan kernel: [45000.804392] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:09:59 nathan kernel: [45000.804414] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:09:59 nathan kernel: [45000.804493] [<f85894da>]
i915_gem_retire_work_handler+0x2a/0x70 [i915]
Jun 4 07:09:59 nathan kernel: [45000.804519] [<c014b8ae>]
run_workqueue+0x6e/0x140
Jun 4 07:09:59 nathan kernel: [45000.804588] [<f85894b0>] ?
i915_gem_retire_work_handler+0x0/0x70 [i915]
Jun 4 07:09:59 nathan kernel: [45000.804611] [<c014ba08>]
worker_thread+0x88/0xf0
Jun 4 07:09:59 nathan kernel: [45000.804633] [<c014f900>] ?
autoremove_wake_function+0x0/0x40
Jun 4 07:09:59 nathan kernel: [45000.804655] [<c014b980>] ?
worker_thread+0x0/0xf0
Jun 4 07:09:59 nathan kernel: [45000.804674] [<c014f5a6>] kthread+0x46/0x80
Jun 4 07:09:59 nathan kernel: [45000.804692] [<c014f560>] ? kthread+0x0/0x80
Jun 4 07:09:59 nathan kernel: [45000.804713] [<c0103f57>]
kernel_thread_helper+0x7/0x10
Jun 4 07:09:59 nathan kernel: [45000.804798] INFO: task compiz.real:5982
blocked for more than 120 seconds.
Jun 4 07:09:59 nathan kernel: [45000.804812] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 4 07:09:59 nathan kernel: [45000.804827] compiz.real D c07bcee0 0
5982 5926
Jun 4 07:09:59 nathan kernel: [45000.804848] f57c1dc8 00000082 f67a4000
c07bcee0 f4cf4d34 c07bcee0 c07bcee0 c07bcee0
Jun 4 07:09:59 nathan kernel: [45000.804886] f4cf4d34 c3164e0f 0000285e
c07bcee0 f609ba40 0000285e f4cf4aa0 f685d014
Jun 4 07:09:59 nathan kernel: [45000.804925] f685d018 ffffffff f57c1df4
c053b356 f57c1ed0 f685d01c f4cf4aa0 f7089f30
Jun 4 07:09:59 nathan kernel: [45000.804963] Call Trace:
Jun 4 07:09:59 nathan kernel: [45000.804985] [<c053b356>]
__mutex_lock_slowpath+0xc6/0x130
Jun 4 07:09:59 nathan kernel: [45000.805006] [<c053b0d0>] mutex_lock+0x20/0x40
Jun 4 07:09:59 nathan kernel: [45000.805076] [<f858b4ea>]
i915_gem_gtt_pwrite_fast+0x4a/0x180 [i915]
Jun 4 07:09:59 nathan kernel: [45000.805166] [<f82c47fb>] ?
drm_gem_object_lookup+0x3b/0x50 [drm]
Jun 4 07:09:59 nathan kernel: [45000.805234] [<f858d880>]
i915_gem_pwrite_ioctl+0x1a0/0x220 [i915]
Jun 4 07:09:59 nathan kernel: [45000.805320] [<f82c372f>]
drm_ioctl+0x11f/0x360 [drm]
Jun 4 07:09:59 nathan kernel: [45000.805386] [<f858d6e0>] ?
i915_gem_pwrite_ioctl+0x0/0x220 [i915]
Jun 4 07:09:59 nathan kernel: [45000.805411] [<c0118ab6>] ?
lapic_next_event+0x16/0x20
Jun 4 07:09:59 nathan kernel: [45000.805433] [<c015c19d>] ?
clockevents_program_event+0x8d/0x140
Jun 4 07:09:59 nathan kernel: [45000.805455] [<c053c283>] ?
_spin_lock_irq+0x13/0x20
Jun 4 07:09:59 nathan kernel: [45000.805477] [<c01446b6>] ?
run_timer_softirq+0x176/0x200
Jun 4 07:09:59 nathan kernel: [45000.805501] [<c0122728>] ?
default_spin_lock_flags+0x8/0x10
Jun 4 07:09:59 nathan kernel: [45000.805522] [<c053c25a>] ?
_spin_lock_irqsave+0x2a/0x40
Jun 4 07:09:59 nathan kernel: [45000.805546] [<c0185d70>] ?
__rcu_process_callbacks+0x1a0/0x250
Jun 4 07:09:59 nathan kernel: [45000.805580] [<c01d84b3>] vfs_ioctl+0x83/0xa0
Jun 4 07:09:59 nathan kernel: [45000.805601] [<c01d8942>]
do_vfs_ioctl+0x72/0x2d0
Jun 4 07:09:59 nathan kernel: [45000.805623] [<c01d8bff>] sys_ioctl+0x5f/0x80
Jun 4 07:09:59 nathan kernel: [45000.805645] [<c0118d27>] ?
smp_apic_timer_interrupt+0x57/0x90
Jun 4 07:09:59 nathan kernel: [45000.805668] [<c010342c>] syscall_call+0x7/0xb
versions installed:
ii xorg 1:7.4~5ubuntu21
X.Org X Window System
ii xserver-xorg 1:7.4~5ubuntu21
the X.Org X server
ii xserver-xorg-core 2:1.6.1.901-2ubuntu1
Xorg X server - core server
ii xserver-xorg-core-dbg 2:1.6.1.901-2ubuntu1
Xorg - the X.Org X server (debugging symbols
ii xserver-xorg-video-intel
2:2.7.99.1+git20090602.ec2fde7c-0ubuntu2 X.Org X server -- Intel i8xx, i9xx
display d
ii xserver-xorg-video-intel-dbg
2:2.7.99.1+git20090602.ec2fde7c-0ubuntu2 X.Org X server -- Intel i8xx, i9xx
display d
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
--
[karmic] screensaver causes xorg lockup
https://bugs.launchpad.net/bugs/383822
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in ubuntu.
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