[Bug 111453] [SKL] System hang in GfxBench CarChase

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111453

--- Comment #8 from Chris Wilson <chris at chris-wilson.co.uk> ---
Not in the 18-19th range, but a tiny bit earlier,

commit df403069029dc61e0fc09cbeb0b5900705edec5b
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Aug 16 18:16:08 2019 +0100

    drm/i915/execlists: Lift process_csb() out of the irq-off spinlock

might have a triggered a GPF inside an irq-off spinlock (so dead machine more
or less), now hopefully fixed in

commit a20ab592d1a87218229109d109b8e2feae6f598d
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Aug 21 15:23:36 2019 +0100

    drm/i915/execlists: Set priority hint prior to submission


With any luck tomorrow, it'll be stable again...

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