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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#c45">Comment # 45</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:mads@ab3.no" title="Mads <mads@ab3.no>"> <span class="fn">Mads</span></a>
</span></b>
<pre>(In reply to klondike from <a href="show_bug.cgi?id=89360#c44">comment #44</a>)
<span class="quote">>
> For me disabling the EFI framebuffer solved the issue so far so maybe other
> reporters may want to test and see if that solves the issue for them too.</span >
I've neither had efifb nor fbsimple enabled on my XPS 15 9550, but I didn't get
rid of this problem until I added "intel_iommu=igfx_off" to my bootargs.</pre>
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