Created attachment 94293 [details] content of /sys/class/drm/card0/error xorg-x11-drv-intel-2.21.15-5.fc20.x86_64 xorg-x11-server-Xorg-1.14.4-6.fc20.x86_64 that happens randomly in both, SnadyBridge and IvyBridge for a longer time with several kernel releases [16688.095803] [drm] stuck on render ring [16688.095810] [drm] stuck on blitter ring [16688.095812] [drm] GPU crash dump saved to /sys/class/drm/card0/error [16688.095823] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [16688.095824] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [16688.095825] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [16688.095826] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
*** This bug has been marked as a duplicate of bug 54226 ***
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