[Bug 108966] drm i915 "GPU HANG" in kernel-4.19.7 on starting X

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108966

--- Comment #4 from William <wjfgb at mypostoffice.co.uk> ---
It does seem to be a very very rare happening. Since my initial bug report
I have had only one similar happening in May 2019 under kernel-5.0.15, again
soon after startup, but I did not notice it at the time, and so failed to
get a GPU crash dump, the /var/log/messages showed :-

May 15 18:46:35 localhost kernel: [drm] GPU HANG: ecode 5:0:0x005f5f5f, in Xorg
[796], reason: hang on rcs0, action: reset
May 15 18:46:35 localhost kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspace.
May 15 18:46:35 localhost kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
May 15 18:46:35 localhost kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kernel issue.
May 15 18:46:35 localhost kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
May 15 18:46:35 localhost kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
May 15 18:46:35 localhost kernel: i915 0000:00:02.0: Resetting chip for hang on
rcs0

It has not happened again since and is more of a curiosity than a problem
so if you wish to close the bug that is ok.

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