This should have been fixed i.e. the lockup prevent in recent kernels
(by adding timeouts to prevent this driver error). Note that is you are
running upstream components (such as carried in ppa:xorg-edgers and
ppa:mainline) you can file an upstream bug in bugs.freedesktop.org -
though we will expect you to be able to build kernels and the like in
order to test patches.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Fix Released
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/557128
Title:
dp_aux_ch not done status 0x007500c8
Status in “xserver-xorg-video-intel” package in Ubuntu:
Fix Released
Bug description:
Binary package hint: xserver-xorg-video-intel
Hardware: HP Compaq dc79000 Convertible Minitower
<https://h10057.www1.hp.com/ecomcat/hpcatalog/specs/provisioner/05/KP719AV.htm>,
Eizo FlexScan L557 (connected with D-SUB, aka VGA), HP LP2475w
(connected with DP).
Software: Ubuntu 9.10, Intel i915 driver
Symptoms: The HP screen turns off, the keyboard becomes unresponsive
(None of Ctrl-Alt-F1, Ctrl-Alt-Del and Caps Lock work), but the Ubuntu
background can still be seen on the Eizo screen and the mouse pointer
can be moved there.
Symptoms (safe mode boot):
Many instances of "[drm:intel_dp_aux_ch] *ERROR* dp_aux_ch not done status
0x007500c8" followed by eight instances of "BUG: soft lockup - CPU#1 stuck for
61s! [i915/1:376]". Then nothing.
How to reproduce: Leave the PC on for long enough.
Reproducible: Not systematically. Usually the problem occurs after
leaving the computer on for some time. After the problem occurs, it
usually occurs quickly after the next hard boot. It doesn't seem to
matter whether it's heavily used or not. I'm not running any 3D
software or games.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/557128/+subscriptions
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