Sorry for re-opening this bug, but I think it is not fixed yet. (or
Ubuntu`s xserver-xorg-video-intel is latest in upsream. I heared that
2.99.912 is released in June 10th.)
Maybe this will help for debuging. (I got gliches 3~4 times per day.)
Do I need to test lastest one by using xorg-edgers ppa ?
leebc@leebc-laptop:~$ apt-cache policy xserver-xorg-video-intel
xserver-xorg-video-intel:
Installed: 2:2.99.910-0ubuntu1
Candidate: 2:2.99.910-0ubuntu1
Version table:
*** 2:2.99.910-0ubuntu1 0
500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
leebc@leebc-laptop:~$ tail /var/log/syslog
Jun 18 18:02:18 leebc-laptop kernel: [ 6382.035567] [drm] stuck on render ring
Jun 18 18:02:18 leebc-laptop kernel: [ 6382.035571] [drm] GPU crash dump saved
to /sys/class/drm/card0/error
Jun 18 18:02:18 leebc-laptop kernel: [ 6382.035573] [drm] GPU hangs can
indicate a bug anywhere in the entire gfx stack, including userspace.
Jun 18 18:02:18 leebc-laptop kernel: [ 6382.035574] [drm] Please file a _new_
bug report on bugs.freedesktop.org against DRI -> DRM/Intel
Jun 18 18:02:18 leebc-laptop kernel: [ 6382.035575] [drm] drm/i915 developers
can then reassign to the right component if it's not a kernel issue.
Jun 18 18:02:18 leebc-laptop kernel: [ 6382.035576] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
** Attachment added: "GPU crash dump in /sys/class/drm/card0/error"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1282867/+attachment/4134045/+files/error
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https://bugs.launchpad.net/bugs/1282867
Title:
Frequent hang and render glitches in Xorg, caused by SNA
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