Created attachment 120662 [details] full dmesg after incident I was doing some ordinary browsing activity and the screen froze for a few seconds, before returning to normal. When I checked dmesg I found: [125107.835253] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck semaphore on render ring, action: continue [125107.835256] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [125107.835257] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [125107.835257] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [125107.835258] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [125107.835259] [drm] GPU crash dump saved to /sys/class/drm/card0/error Intel HD 3000 graphics on an i7-2760QM. Using Fedora 23, kernel and driver versions: kernel-4.2.7-300.fc23.x86_64 xorg-x11-drv-intel-2.99.917-16.20150729.fc23.x86_64 mesa-dri-drivers-11.0.6-1.20151122.fc23.x86_64 Attached below: full dmesg output, Xorg log, crash dump.
Created attachment 120663 [details] crashdump from sysfs
Created attachment 120664 [details] Xorg log
*** This bug has been marked as a duplicate of bug 54226 ***
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