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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SKL ] WARN_ON(!wm_changed) hit in the WM code with multiple pipes enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89055#c34">Comment # 34</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SKL ] WARN_ON(!wm_changed) hit in the WM code with multiple pipes enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89055">bug 89055</a>
from <span class="vcard"><a class="email" href="mailto:hlprasu@gmail.com" title="Prasad H L Bhat <hlprasu@gmail.com>"> <span class="fn">Prasad H L Bhat</span></a>
</span></b>
<pre>I get the same error sometimes on my T460 laptop with Intel HD Graphics 520.
When it occurs, it freezes the laptop completely (display turns off, no virtual
terminals work, audio buffer keeps looping if present when freezing).</pre>
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