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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #34 from Sergi Barroso <hiroru at lionclan.org> ---
I have a Dell Latitude e7250 with:

- Intel(R) Core(TM) i7-5600U CPU 
- Intel Corporation Broadwell-U Integrated Graphics (rev 09)

With the same behavior here. I've tried to disable other framebuffer devices
such as EFI, but in the meanwhile the only process which worked for me was
disabling the iommu in the i915 kernel module, which is not a clean approach.

I've attached my dumps and hope it helps. I'll try Arch Linux anyway to see if
has the same problem.

Sergi

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