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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #38 from Bobby Powers <bobbypowers at gmail.com> ---
This is actually fixed for me in 4.7.  I have a Thinkpad X1 Carbon with an
Intel i7-5600U, and haven't seen any issues when enabling the IOMMU over the
last month or so (I don't remember if things also worked under 4.6, but I Was
running 4.7 RCs for a bit).

Hope that helps.

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