Created attachment 102064 [details] cat /sys/class/drm/card0/error Hi, this is on Ubuntu Trusty, I attach the gpu crash dump as told in kernel messages: [48264.487804] [drm] stuck on render ring [48264.487809] [drm] GPU crash dump saved to /sys/class/drm/card0/error [48264.487810] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [48264.487811] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [48264.487812] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [48264.487813] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. cheers, Andreas
*** This bug has been marked as a duplicate of bug 77104 ***
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