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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [v4.13 ARCH] GPU HANG: DMAR: DRHD: handling fault status reg 3 (arch reverted the use of intel_iommu=igfx_off)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103076#c38">Comment # 38</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [v4.13 ARCH] GPU HANG: DMAR: DRHD: handling fault status reg 3 (arch reverted the use of intel_iommu=igfx_off)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103076">bug 103076</a>
from <span class="vcard"><a class="email" href="mailto:carstenmattner@gmail.com" title="Carsten Mattner <carstenmattner@gmail.com>"> <span class="fn">Carsten Mattner</span></a>
</span></b>
<pre>Ivan, how extensively have you tested it? I can run CPU/GPU load for days with
4.9.57, but 4.13 and 4.14-drm-tip will hang eventually. And once it hangs for
the the first time, the GPU stack is in a state of easy hangs repeated until
kernel restart.</pre>
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