[Bug 111514] [CI][DRMTIP]igt at i915_selftest@live_gem_contexts - incomplete - GEM_BUG_ON(!i915_request_completed(*execlists->active) && !reset_in_progress(execlists))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111514

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

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

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
Perhaps a little optimistic, but it looks very promising,

commit fa9a09f15065650d97e3b1336d11e4ad9672b759 (HEAD -> drm-intel-next-queued,
drm-intel/drm-intel-next-queued)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Sep 10 09:02:08 2019 +0100

    drm/i915/execlists: Clear STOP_RING bit on reset

    During reset, we try to ensure no forward progress of the CS prior to
    the reset by setting the STOP_RING bit in RING_MI_MODE. Since gen9, this
    register is context saved and do we end up in the odd situation where we
    save the STOP_RING bit and so try to stop the engine again immediately
    upon resume. This is quite unexpected and causes us to complain about an
    early CS completion event!

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111514
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20190910080208.4223-1-chris@chris-wilson.co.uk

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