Quoting Joonas Lahtinen (2017-11-01 13:38:19)
> On Tue, 2017-10-31 at 12:22 +0000, Chris Wilson wrote:
> > We will disarm the breadcrumb interrupt if we see a user interrupt
> > whilst no one is waiting. This may race with the call to
> > intel_engine_disarm_breadcrumbs() triggering an assert that we aren't
> > trying to do the same job twice. Prevent this by checking that the irq
> > is still armed after flushing the interrupt (for the irq spinlock).
> >
> > Fixes: bcbd5c33a342 ("drm/i915/guc: Always enable the breadcrumbs irq")
> > Signed-off-by: Chris Wilson <[email protected]>
> > Cc: Joonas Lahtinen <[email protected]>
> > Cc: Michał Winiarski <[email protected]>
>
> Reviewed-by: Joonas Lahtinen <[email protected]>
I'm still kicking myself for missing this in the first place. Thanks,
and pushed. Sadly I can't find a bugzilla for the oops hit by CI.
-Chris
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