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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bdw-u iommu] DMAR error -> GPU hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89360#c37">Comment # 37</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [bdw-u iommu] DMAR error -> GPU hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89360">bug 89360</a>
from <span class="vcard"><a class="email" href="mailto:ismail@inbox247.com" title="Harry <ismail@inbox247.com>"> <span class="fn">Harry</span></a>
</span></b>
<pre>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</pre>
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