ubuntu-x-swat team mailing list archive

[Matt Behrens <matt@xxxxxxxx>]

This seems very similar to the bug I'm experiencing, on an Asus Eee PC
1000HE, with 945GME.

I can get out of it with magic SysRq R-E.

If it is, in fact, the same, we can at least drop the amd64 tag.

[ 9960.352098] INFO: task i915:246 blocked for more than 120 seconds.
[ 9960.352110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 9960.352121] i915          D 00001110     0   246      2 0x00000000
[ 9960.352138]  f6a97ed0 00000046 00000336 00001110 00000000 c0846740 f6a642bc c0846740
[ 9960.352162]  96b1f240 000008e7 c0846740 c0846740 f6a642bc c0846740 c0846740 f522ca80
[ 9960.352184]  96b1cf46 000008e7 f6a64010 f686ec14 f686ec18 ffffffff f6a97efc c058a556
[ 9960.352206] Call Trace:
[ 9960.352230]  [<c058a556>] __mutex_lock_slowpath+0xc6/0x130
[ 9960.352244]  [<c058a475>] mutex_lock+0x25/0x40
[ 9960.352317]  [<f82f9673>] intel_idle_update+0x33/0x180 [i915]
[ 9960.352334]  [<c013eff3>] ? finish_task_switch+0x43/0xc0
[ 9960.352346]  [<c058955c>] ? schedule+0x44c/0x840
[ 9960.352361]  [<c016369e>] run_workqueue+0x8e/0x150
[ 9960.352421]  [<f82f9640>] ? intel_idle_update+0x0/0x180 [i915]
[ 9960.352435]  [<c01637e4>] worker_thread+0x84/0xe0
[ 9960.352449]  [<c0167740>] ? autoremove_wake_function+0x0/0x50
[ 9960.352462]  [<c0163760>] ? worker_thread+0x0/0xe0
[ 9960.352473]  [<c01674b4>] kthread+0x74/0x80
[ 9960.352485]  [<c0167440>] ? kthread+0x0/0x80
[ 9960.352499]  [<c0104087>] kernel_thread_helper+0x7/0x10
[ 9960.352537] INFO: task Xorg:964 blocked for more than 120 seconds.
[ 9960.352545] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 9960.352554] Xorg          D 0001ada4     0   964    918 0x00400004
[ 9960.352568]  f3d8fe20 00203086 00000034 0001ada4 00000000 c0846740 f3d59c4c c0846740
[ 9960.352590]  78cc19be 000008e7 c0846740 c0846740 f3d59c4c c0846740 c0846740 f5198700
[ 9960.352612]  78caf886 000008e7 f3d599a0 f686ec14 f686ec18 ffffffff f3d8fe4c c058a556
[ 9960.352634] Call Trace:
[ 9960.352647]  [<c058a556>] __mutex_lock_slowpath+0xc6/0x130
[ 9960.352660]  [<c058a475>] mutex_lock+0x25/0x40
[ 9960.352716]  [<f82ea220>] i915_gem_throttle_ioctl+0x30/0x70 [i915]
[ 9960.352771]  [<f81527cd>] drm_ioctl+0x25d/0x3e0 [drm]
[ 9960.352841]  [<f82ea1f0>] ? i915_gem_throttle_ioctl+0x0/0x70 [i915]
[ 9960.352870]  [<c01410f9>] ? update_curr+0x169/0x2a0
[ 9960.352883]  [<c016d4f5>] ? sched_clock_local+0xa5/0x180
[ 9960.352897]  [<c016aaaf>] ? __remove_hrtimer+0x2f/0xa0
[ 9960.352910]  [<c016ae38>] ? lock_hrtimer_base+0x28/0x50
[ 9960.352923]  [<c016bc86>] ? hrtimer_try_to_cancel+0x36/0xb0
[ 9960.352974]  [<f8152570>] ? drm_ioctl+0x0/0x3e0 [drm]
[ 9960.353001]  [<c0216231>] vfs_ioctl+0x21/0x90
[ 9960.353023]  [<c058955c>] ? schedule+0x44c/0x840
[ 9960.353040]  [<c0216519>] do_vfs_ioctl+0x79/0x310
[ 9960.353058]  [<c0150ca0>] ? sys_setitimer+0x40/0x90
[ 9960.353075]  [<c0216817>] sys_ioctl+0x67/0x80
[ 9960.353093]  [<c01033ec>] syscall_call+0x7/0xb

-- 
[i945gm] Random X hang
https://bugs.launchpad.net/bugs/560376
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