[Bug 111536] [CI][DRMTIP] igt at gem_eio@unwedge-stress - fail - Failed assertion: __gem_execbuf(fd, execbuf) == 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111536

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
Spotted a problem that may be affecting snb & hsw,

commit 90babd3f12707dfabaa58bb18f6b8e22636b6895 (upstream/master)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sat Aug 31 20:14:21 2019 +0100

    lib: Fix gem_measure_ring_inflight

    Any use of __for_each_physical_engine breaks library use of
    for_each_physical_ring and in this case (e.g. gem_busy/close-race) leads
    to GPU hangs.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Andi Shyti <andi.shyti at intel.com>
    Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Acked-by: Andi Shyti <andi.shyti at intel.com>

This and the reset-stress on snb/hsw might be affected.

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