ubuntu-x-swat team mailing list archive

["Allen.McIntosh" <mcintosh@xxxxxxxxxxxxxxxxxxxxxx>]

Unfortunately this bug seems to be still with us.

Fresh install of Karmic on a Lenovo T61, everything up to date.  Get the dreaded
    INFO: task i915/0:365 blocked for more than 120 seconds.
message.  It seems random, but on reflection I think it happens when I hit a key or move the mouse after the machine has powered down the display because of no mouse/keyboard activity.  The call trace looks like this:

__mutex_lock_slowpath+0xc6/0x130
mutex_lock+0x20/0x40
i915_gem_retire_work_handler+0x2a/0x70 [i915]
run_workqueue+0x6e/0x140
? i915_gem_retire_work_handler+0x0/0x70 [i915]
worker_thread+0x88/0xe0
? autoremove_wake_function+0x0/0x40
? worker_thread+0x0/0xe0
kthread+0x7c/0x90
? kthread+0x0/0x90
kernel_thread_helper+0x7/0x10

which I have seen in other bug reports.  The display is frozen,
<ctrl><alt><f2> doesn't do anything.  I didn't check keyboard lights,
but it was possible to log in remotely.  System log also shows my KVM
interacting with the USB adapter.

-- 
[i865g][Karmic Alpha 3] X corruption and freeze when clicking "Other" on GDM login screen
https://bugs.launchpad.net/bugs/407793
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