Messages in this thread | | | Date | Mon, 22 Jun 2009 15:31:57 -0700 | From | Andrew Morton <> | Subject | Re: X server hung, kernel said "task blocked for >120 secs" (2.6.30) |
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(cc dri-devel)
On Sun, 14 Jun 2009 21:46:05 -0400 Sanjoy Mahajan <sanjoy@MIT.EDU> wrote:
> I'm running vanilla 2.6.30 on an otherwise Debian 'unstable' system -- a > TP T60 with Intel graphics and wireless (no tainting). The X server > [xorg 1.6.1.901 (1.6.2 RC 1), intel driver 2.7.1] hung in a way that it > often has with other versions: The mouse cursor moves around as normal, > but the keyboard or mouse buttons don't do anything. I used sysrq half > competently to send TERM and KILL signals and then reboot. > > The log message below was in the /var/log/messages from when the problem > happened. Should I report this information to freedesktop.org or is it > a kernel issue belonging on the bugzilla? > > [228600.676053] INFO: task events/0:9 blocked for more than 120 seconds. > [228600.676058] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > [228600.676061] events/0 D 31efa204 0 9 2 > [228600.676066] c1bfc040 00000046 f7121a60 31efa204 c0439040 c0436134 c0101f70 f708f0c0 > [228600.676075] f708f274 00000000 00000000 f7121a8c c1bfc040 00000000 c011d842 c1bfc580 > [228600.676083] f708f0c0 f708f274 0366353a f626cac0 00000000 c0439040 c02f19c2 c03a8300 > [228600.676090] Call Trace: > [228600.676099] [<c0101f70>] ? __switch_to+0xbf/0x140 > [228600.676105] [<c011d842>] ? pick_next_task_fair+0x80/0x87 > [228600.676111] [<c02f19c2>] ? __schedule+0x6f2/0x74d > [228600.676115] [<c02f1fc4>] ? __mutex_lock_common+0xe1/0x136 > [228600.676120] [<c02f2028>] ? __mutex_lock_slowpath+0xf/0x11 > [228600.676123] [<c02f1e78>] ? mutex_lock+0x10/0x1e > [228600.676127] [<c02f1e78>] ? mutex_lock+0x10/0x1e > [228600.676133] [<c0133e97>] ? queue_delayed_work_on+0x9c/0xa8 > [228600.676150] [<f8ff74f3>] ? i915_gem_retire_work_handler+0x1c/0x4e [i915] > [228600.676155] [<c0133701>] ? worker_thread+0x13d/0x1bf > [228600.676168] [<f8ff74d7>] ? i915_gem_retire_work_handler+0x0/0x4e [i915] > [228600.676174] [<c01365a6>] ? autoremove_wake_function+0x0/0x2d > [228600.676178] [<c01335c4>] ? worker_thread+0x0/0x1bf > [228600.676182] [<c01362b6>] ? kthread+0x42/0x67 > [228600.676186] [<c0136274>] ? kthread+0x0/0x67 > [228600.676190] [<c0103ab7>] ? kernel_thread_helper+0x7/0x10 > [228611.402991] SysRq : Keyboard mode set to system default
I assume this is a regression? Since 2.6.29?
Thanks.
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