Public bug reported:
Binary package hint: xserver-xorg-video-intel
If I leave the machine alone for long enough, I'll return to a blank
(black) screen and unresponsive mouse and keyboard. Disabling the
screen saver seems to work around the problem. I can still ssh in after
the problem occurs, and see hung-task warnings in dmesg (see attached
dmesg-fragment). As you can see, the tasks involved are i915/0, Xorg,
and lorenz (the screensaver).
I'm running karmic, xserver-xorg-video-intel version 2:2.8.1-1ubuntu2,
kernel 2.6.31-11, lspci reports video controller as "Intel Corporation
Mobile 4 Series Chipset Integrated Graphics Controller (rev 7)."
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
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deadlock in intel driver after screensaver runs
https://bugs.launchpad.net/bugs/440614
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