Am seeing this on a Dell Optiplex 980 under karmic: 00:02.0 VGA compatible controller: Intel Corporation Clarkdale Integrated Graphics Controller (rev 02)
[ 838.848500] INFO: task i915/3:428 blocked for more than 120 seconds. [ 838.848506] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 838.848510] i915/3 D ffffffff815eb720 0 428 2 0x00000000 [ 838.848517] ffff88011046bda0 0000000000000046 0000000000000000 00000000ffffffff [ 838.848524] ffff88011046bd30 ffffffff8104af6b ffff88010dce2d98 000000010000a007 [ 838.848529] ffff88010dce3110 000000000000f6e8 0000000000015580 ffff88010dce3110 [ 838.848535] Call Trace: [ 838.848547] [<ffffffff8104af6b>] ? dequeue_entity+0x1b/0x240 [ 838.848555] [<ffffffff815d3fd7>] __mutex_lock_slowpath+0xd7/0x160 [ 838.848560] [<ffffffff815d3ed6>] mutex_lock+0x26/0x50 [ 838.848589] [<ffffffffa00b8398>] i915_gem_retire_work_handler+0x38/0x90 [i915] [ 838.848608] [<ffffffffa00b8360>] ? i915_gem_retire_work_handler+0x0/0x90 [i915] [ 838.848615] [<ffffffff8106ca55>] worker_thread+0x165/0x290 [ 838.848621] [<ffffffff81071cb0>] ? autoremove_wake_function+0x0/0x40 [ 838.848626] [<ffffffff8106c8f0>] ? worker_thread+0x0/0x290 [ 838.848631] [<ffffffff810718c6>] kthread+0xa6/0xb0 [ 838.848637] [<ffffffff81012f8a>] child_rip+0xa/0x20 [ 838.848642] [<ffffffff81071820>] ? kthread+0x0/0xb0 [ 838.848646] [<ffffffff81012f80>] ? child_rip+0x0/0x20 May be related: saw several nfs timeout errors in the log at around the same time. -- [i945g] karmic: INFO: task i915/* blocked for more than 120 seconds. https://bugs.launchpad.net/bugs/451518 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp