[Bug 109949] [skl] Hard lockup (Freeze) after reset failure: GPU HANG: ecode 9:0:0x85dffffb

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109949

--- Comment #26 from Arcadiy Ivanov <arcadiy at ivanov.biz> ---
My machine just survived a GPU hang on F30 5.0.13 and remained operational. 

[ 4860.674981] [drm] GPU HANG: ecode 9:2:0xa8dfbffd, in chromium-vaapi [4647],
reason: hang on vcs0, action: reset
[ 4860.674984] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 4860.674985] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 4860.674986] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 4860.674986] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 4860.674987] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 4860.675052] i915 0000:00:02.0: Resetting vcs0 for hang on vcs0
[ 4868.658707] i915 0000:00:02.0: Resetting vcs0 for hang on vcs0
[ 4876.658545] i915 0000:00:02.0: Resetting vcs0 for hang on vcs0
[ 4884.659343] i915 0000:00:02.0: Resetting vcs0 for hang on vcs0
[ 4892.658365] i915 0000:00:02.0: Resetting vcs0 for hang on vcs0

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