[Bug 89360] [bdw-u iommu] DMAR error -> GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89360

--- Comment #21 from Yves-Alexis <corsac at debian.org> ---
Created attachment 118605
  --> https://bugs.freedesktop.org/attachment.cgi?id=118605&action=edit
kernel log on 4.2.2

I reported bug #90091 initially, which was marked as duplicate of this one.

I've tried to reproduce with 4.2.2, and it still happens. Two dmesgs are
attached, the second one with i915.enable_execlists=0. In the latter case I
only have the DMAR fault but not the GPU hang.

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