Comment 115 for bug 946899

Bug description:
I seem to be having the same issue. This occurred several times in a short period while using chromium on a second monitor. I set the secondary monitor up with: xrandr --output eDP1 --right-of HDMI1

System environment:
-- chipset: i7-4700MQ with the HD 4600 gpu
-- system architecture: 64-bit (x86_64)
-- xf86-video-intel: 2.21.14-2
-- xserver: 1.14.2-2
-- mesa: 9.1.6-1
-- libdrm: 2.4.46-2
-- kernel: 3.10.6-2-ARCH
-- Linux distribution: Arch
-- Machine or mobo model: Toshiba Satellite P70-A [PSPLNU-01Q006]
-- Display connector: hdmi

dmesg:
[drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
[drm] capturing error event; look for more information in /sys/kernel/debug/dri/0/i915_error_state
[drm:kick_ring] *ERROR* Kicking stuck wait on blitter ring

I attached the contents of i915_error_state