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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [CI] SKL-IOMMU igt@drv_module_reload tests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107189">bug 107189</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTOURBUG
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [CI] SKL-IOMMU igt@drv_module_reload tests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107189#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [CI] SKL-IOMMU igt@drv_module_reload tests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107189">bug 107189</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>commit 2db1581e1f432ac6b4efe152c57fdfb4de85c154
Author: Lu Baolu <<a href="mailto:baolu.lu@linux.intel.com">baolu.lu@linux.intel.com</a>>
Date: Sun Jul 8 14:23:21 2018 +0800
Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices"
This reverts commit ab96746aaa344fb720a198245a837e266fad3b62.
The commit ab96746aaa34 ("iommu/vt-d: Clean up pasid quirk for
pre-production devices") triggers ECS mode on some platforms
which have broken ECS support. As the result, graphic device
will be inoperable on boot.
Bugzilla: <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED NOTOURBUG - GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset"
href="show_bug.cgi?id=107017">https://bugs.freedesktop.org/show_bug.cgi?id=107017</a>
Cc: Ashok Raj <<a href="mailto:ashok.raj@intel.com">ashok.raj@intel.com</a>>
Signed-off-by: Lu Baolu <<a href="mailto:baolu.lu@linux.intel.com">baolu.lu@linux.intel.com</a>>
Signed-off-by: Joerg Roedel <<a href="mailto:jroedel@suse.de">jroedel@suse.de</a>></pre>
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