[Bug 108622] [CI][BAT] igt at drv_selftest@live_execlists - dmesg-warn - *ERROR* MMIO: GuC action 0x2 failed with error -5 0xf000f000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108622

--- Comment #6 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Jon Ewins from comment #5)
> Issue reported on BXT part with boot parameter i915.enable_guc=3, which
> means submission via guc enabled. Further investigation will be deferred
> until after upcoming update to guc version and only if issue seen with
> i915.enable_guc=2 (no submission via GuC) which is support model for Gen9.

Of course it won't be seen with enable_guc=2, the issue is that preemption is
broken via the guc! I take it we should just remove the unstable unsupported
feature from the guc submission path?

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