[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 #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
A long shot (one that I've tried earlier with no success) was

commit a6476ebd4350d51146ef0492b4b06bc0d31e8827
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Aug 6 15:56:47 2018 +0100

    drm/i915: Stop dropping irq around resets

    A long time ago, we were afraid of handling interrupts and signaling
    waiters during a reset, worrying that the confusion in request handling
    would interfere with our attempts to process the reset in an orderly
    fashion. Since then, we have isolated our irq-driven request handling by
    virtue of the engine->timeline.lock and control of kthreads where
    required, eliminating the danger of concurrently processing interrupts.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at intel.com>
    Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20180806145647.13131-1-chris@chris-wilson.co.uk

but at least that confirms that it's not a shadow caused by the disabling of
irq across reset. Fresh ideas required.

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