Created attachment 109398 [details]
As per dmesg:
[520544.044221] [drm] stuck on render ring
[520544.044816] [drm] GPU HANG: ecode 0:0x85fffff8, in chromium , reason: Ring hung, action: reset
[520544.044819] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[520544.044820] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[520544.044821] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[520544.044822] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[520544.044823] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[520546.044047] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
attaching `error` file as gziped.
Sorry no one ever investigated your bug.
Please reopen if you can still reproduce with Mesa 17.0.