[Bug 111678] [CI][BAT]igt at i915_selftest@live_hangcheck - dmesg-fail- Failed assertion: err == 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111678

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
Just in case it turns out to be relevant, this is with iommu enabled. No DMAR
errors in this run, but I have seen

16:42            ickle : <3> [69.430006] DMAR: DRHD: handling fault status reg
2
16:42            ickle : <3> [69.430050] DMAR: [DMA Write] Request device
[00:02.0] fault addr 44000 [fault reason 07] Next page table ptr is invalid

recently on icl, so worth remembering.

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