[Bug 108656] [CI][BAT bsw] igt at gem_* - fail - Failed assertion: !"GPU hung"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108656

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #6 from Chris Wilson <chris at chris-wilson.co.uk> ---
Ever the optimist:

commit 987abd5c62f92ee4970b45aa077f47949974e615 (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:   Thu Nov 8 08:17:38 2018 +0000

    drm/i915/execlists: Force write serialisation into context image vs
execution

    Ensure that the writes into the context image are completed prior to the
    register mmio to trigger execution. Although previously we were assured
    by the SDM that all writes are flushed before an uncached memory
    transaction (our mmio write to submit the context to HW for execution),
    we have empirical evidence to believe that this is not actually the
    case.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108656
    References: https://bugs.freedesktop.org/show_bug.cgi?id=108315
    References: https://bugs.freedesktop.org/show_bug.cgi?id=106887
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Acked-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20181108081740.25615-1-chris@chris-wilson.co.uk
    Cc: stable at vger.kernel.org

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