[Bug 106693] [CI] igt@* - incomplete - intel_engine_unpin_breadcrumbs_irq:226 GEM_BUG_ON(!b->irq_enabled)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106693

Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #3 from Martin Peres <martin.peres at free.fr> ---
(In reply to Chris Wilson from comment #2)
> commit 209b7955e59e361fe8ba1911fac68f46355ac0cf
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Tue Jul 17 21:29:32 2018 +0100
> 
>     drm/i915/guc: Keep guc submission permanently engaged
>     
>     We make a decision at module load whether to use the GuC backend or not,
>     but lose that setup across set-wedge. Currently, the guc doesn't
>     override the engine->set_default_submission hook letting execlists sneak
>     back in temporarily on unwedging leading to an unbalanced park/unpark.
>     
>     v2: Remove comment about switching back temporarily to execlists on
>     guc_submission_disable(). We currently only call disable on shutdown,
>     and plan to also call disable before suspend and reset, in which case we
>     will either restore guc submission or mark the driver as wedged, making
>     the reset back to execlists pointless.
>     v3: Move reset.prepare across
>     
>     Fixes: 63572937cebf ("drm/i915/execlists: Flush pending preemption
> events during reset")
>     Testcase: igt/drv_module_reload/basic-reload-inject
>     Testcase: igt/gem_eio
>     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
>     Cc: Michał Winiarski <michal.winiarski at intel.com>
>     Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
>     Reviewed-by: Michał Winiarski <michal.winiarski at intel.com>
>     Link:
> https://patchwork.freedesktop.org/patch/msgid/20180717202932.1423-1-
> chris at chris-wilson.co.uk

I would like to believe this solved it, but the evidence has started piling
up... It looks like this commit did not change anything :s

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_110/fi-cfl-guc/igt@prime_busy@hang-default.html

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_110/fi-kbl-guc/igt@prime_busy@wait-hang-default.html

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