[Bug 104007] [BAT] igt at gem_ringfill@basic-default-hang - dmesg-warn - *ERROR* Failed to reset chip: -110 - and the aftermaths of a wedged CPU.
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Dec 1 16:33:38 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=104007
Chris Wilson <chris at chris-wilson.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |WORKSFORME
Status|NEW |RESOLVED
--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit f7096d40eea84d32eb1e3b0f2b4407167aae9a83
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Fri Dec 1 12:20:11 2017 +0000
drm/i915: Sleep and retry a GPU reset if at first we don't succeed
As we declare the GPU wedged if the reset fails, such a failure is quite
terminal. Before taking that drastic action, let's sleep first and try
active, in the hope that the hardware has quietened down and is then
able to reset. After a few such attempts, it is fair to say that the HW
is truly wedged.
v2: Always print the failure message now, we precheck whether resets are
disabled.
References: https://bugs.freedesktop.org/show_bug.cgi?id=104007
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20171201122011.16841-1-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Now let's just wait a month to see if it reoccurs.
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