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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #86 from Yves-Alexis <corsac at debian.org> ---
(In reply to Jani Saarinen from comment #85)
> Please attach whole log too so send dmesg with drm.debug=0x1e log_buf_len=4M?

Unfortunately it's not really reproducible at will, and I assume booting with
that options will render the system really slow and barely usable?

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