[Bug 108735] [CI][BAT] igt at drv_selftest@live_hangcheck - _igt_reset_evict_vma timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108735

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
Stab, stab, stab:

commit b7f21899276a3e06ea3c98d0b3771f09eefc6e3d (HEAD -> drm-intel-next-queued,
drm-intel/for-linux-next, drm-intel/drm-intel-next-queued)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Nov 26 12:28:21 2018 +0000

    drm/i915/ringbuffer: 2-step restart

    We may be simply restarting too fast for the culmudgeonly gen3/gen4 as
    we still see missing interrupts following a reset. So let's try
    restarting a little slower, first wake up the ring empty and then tell
    it about the work it has to perform.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=108735
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20181126122821.4537-1-chris@chris-wilson.co.uk

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