With the latest drm-intel-next kernel there is a commit that will record
the failed batch buffer to /sys/kernel/debug/dri/0/i915_error_state.
Could you test that kernel and upload it along with Xorg.0.log and dmesg
output from the same time?
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => Confirmed
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[i945] Intel 82945G/GZ Integrated Graphics Controller Freezes when compiz
enabled
https://bugs.launchpad.net/bugs/475429
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