Created attachment 100827 [details] DMESG log at time of GPU hang (with leading retire_playback_urb messages removed) [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel => done See attachments for details.
Created attachment 100828 [details] GPU crashdump log from /sys/class/drm/card0/error
Created attachment 100829 [details] Installed packages related to X / DRI / Intel dpkg -l | egrep 'intel|mesa|xorg' > /tmp/softwarepackages.txt
Created attachment 100830 [details] Xorg.0.log
ii xserver-xorg 1:7.7+1ubuntu8 amd64 X.Org X server ii xserver-xorg-core 2:1.15.1-0ubuntu2 amd64 Xorg X server - core server # lsb_release -a LSB Version: core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch Distributor ID: Ubuntu Description: Ubuntu 14.04 LTS Release: 14.04 Codename: trusty
*** This bug has been marked as a duplicate of bug 77104 ***
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