<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><span class="vcard"><a class="email" href="mailto:mark.a.janes@intel.com" title="Mark Janes <mark.a.janes@intel.com>"> <span class="fn">Mark Janes</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - userptr deadlock in Vulkan CTS: mmu_notifier vs workers vs struct_mutex"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108456">bug 108456</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>DUPLICATE
</td>
<td>---
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - userptr deadlock in Vulkan CTS: mmu_notifier vs workers vs struct_mutex"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108456#c32">Comment # 32</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - userptr deadlock in Vulkan CTS: mmu_notifier vs workers vs struct_mutex"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108456">bug 108456</a>
from <span class="vcard"><a class="email" href="mailto:mark.a.janes@intel.com" title="Mark Janes <mark.a.janes@intel.com>"> <span class="fn">Mark Janes</span></a>
</span></b>
<pre>Subsequent evidence has shown that this bug is not a duplicate of <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - ANV driver doesn't release memory"
href="show_bug.cgi?id=107899">bug 107899</a>.
After deploying patched kernels (4.19) we continue to see the deadlock on HSW
systems. BDW and later have switched to softpin to avoid this bug.
If there is a backport to 4.19 of the reported kernel fix, I can verify.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>