Created attachment 135212 [details]
GPU Crash dump
Problem occured on a Thinkpad T470 connected to a Pro Docking Station and using an external monitor.
Creating this bug as instructed by the error message from 'dmesg'
[236451.402515] [drm] GPU HANG: ecode 9:0:0x86dffffd, in chrome , reason: Hang on rcs0, action: reset
[236451.402516] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[236451.402517] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[236451.402517] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[236451.402532] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[236451.402533] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[236451.402570] drm/i915: Resetting chip after gpu hang
[236451.403024] [drm] RC6 on
Linux lams-t470 4.13.10-041310-generic #201710270531 SMP Fri Oct 27 09:33:21 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Is this reproducible? Could you please share your Mesa and Xorg version, distro, desktop, if SNA or modesetting, and if reproducible, steps to reproduce.