[Bug 107500] [CI][SHARDS] igt at gem_eio@reset-stress - fail - Failed assertion: elapsed < 250e6

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107500

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
It is an interesting bug. To all appearances the HW doesn't generate an
interrupt if we execute a MI_USER_INTERRUPT shortly after the GPU reset. A
partially successful workaround was:

commit 39f3be162c46bc2349ad7a5bd89536eb83561c81
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Jul 30 08:53:50 2018 +0100

    drm/i915: Kick waiters on resetting legacy rings

still the window after the kick and before interrupts are being received.

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