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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #37 from Harry <ismail at inbox247.com> ---
I have this, too on i5-5287U

the iommu for Linux is disabled by default
For better kvm virtualization, it can be turned on using kernel command line
parameter intel_iommu=on

with this kernel parameter present Linux freezes during boot

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