<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@gem_userptr_blits@map-fixed-invalidate-gup - dmesg-warn: WARNING: possible circular locking dependency detected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104209#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@gem_userptr_blits@map-fixed-invalidate-gup - dmesg-warn: WARNING: possible circular locking dependency detected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104209">bug 104209</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>Yet another false positive. In i915_vma_revoke_mmap, the mapping is the
device-local GTT mapping, which is barred from being used as a source for
userptr -- because of this deadlock.
We could overwrite the lockclass for the device local mapping, I think.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are the assignee for the bug.</li>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>