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<body><span class="vcard"><a class="email" href="mailto:lantw44@gmail.com" title="Ting-Wei Lan <lantw44@gmail.com>"> <span class="fn">Ting-Wei Lan</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - Graphics problems with intel_iommu=on on Linux >= 3.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91127">bug 91127</a>
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<th>What</th>
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<th>Added</th>
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<td style="text-align:right;">i915 platform</td>
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<td>ILK
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Graphics problems with intel_iommu=on on Linux >= 3.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91127#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Graphics problems with intel_iommu=on on Linux >= 3.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91127">bug 91127</a>
from <span class="vcard"><a class="email" href="mailto:lantw44@gmail.com" title="Ting-Wei Lan <lantw44@gmail.com>"> <span class="fn">Ting-Wei Lan</span></a>
</span></b>
<pre>After upgrading to Linux 4.2-rc2, I see a lot of these messages in dmesg:
DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr <some_addr>
DMAR:[fault reason 05] PTE Write access is not set
There is no crash after running it for more than one hour. I will run the
system longer to make sure that it really doesn't crash.
A dmesg log of Linux 4.2-rc2 is attached.</pre>
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