You should also check your dmesg and
/sys/kernel/debug/dri/0/i915_error_state when you ssh into it when it's
down, in the case that the issue is a gpu lockup.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Confirmed
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => Medium
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Medium => High
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/767436
Title:
compiz crashed with SIGSEGV in brw_validate_state()
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