Public bug reported:
Binary package hint: xorg
If I don't use the computer for a while, the monitor goes to standby to
save power. When I later come back I get the login screen because the
previously running session is crashed. However, this is not
reproducible, it seems to happen randomly since upgrading to Lucid.
uname -a:
-------------
Linux core 2.6.32-19-generic #28-Ubuntu SMP Thu Apr 1 10:39:41 UTC 2010 x86_64
GNU/Linux
/var/log/kern.log:
---------------------
Apr 5 10:01:43 core kernel: [37747.500021] [drm:i915_hangcheck_elapsed]
*ERROR* Hangcheck timer elapsed... GPU hung
Apr 5 10:01:43 core kernel: [37747.500030] render error detected, EIR:
0x00000000
Apr 5 10:01:43 core kernel: [37747.500044] [drm:i915_do_wait_request] *ERROR*
i915_do_wait_request returns -5 (awaiting 4800864 at 4800863)
Apr 5 10:01:44 core kernel: [37748.300016] [drm:i915_hangcheck_elapsed]
*ERROR* Hangcheck timer elapsed... GPU hung
Apr 5 10:01:44 core kernel: [37748.300022] render error detected, EIR:
0x00000000
Apr 5 10:01:44 core kernel: [37748.300043] [drm:i915_do_wait_request] *ERROR*
i915_do_wait_request returns -5 (awaiting 4800867 at 4800863)
/var/log/Xorg.0.log:
------------------------
Fatal server error:
Failed to submit batchbuffer: Input/output error
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional
information.
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
--
X server crash when monitor goes to standby
https://bugs.launchpad.net/bugs/555573
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