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<body><span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - Unable to cleanly unload kernel module: BUG: unable to handle kernel NULL pointer dereference at 0000000000000258 (mutex_lock)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104274">bug 104274</a>
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<td style="text-align:right;">CC</td>
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<td>harry.wentland@amd.com, jordan.lazare@amd.com
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Unable to cleanly unload kernel module: BUG: unable to handle kernel NULL pointer dereference at 0000000000000258 (mutex_lock)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104274#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Unable to cleanly unload kernel module: BUG: unable to handle kernel NULL pointer dereference at 0000000000000258 (mutex_lock)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104274">bug 104274</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>The problem in the original report was fixed by
<a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a072c5f896beba806b4b867d478e1b90f94ba29b">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a072c5f896beba806b4b867d478e1b90f94ba29b</a>
.
<a href="show_bug.cgi?id=104274#c1">Comment 1</a> looks like a new issue in DC. Looks like this might be related to the
core DRM code now only initializing fbdev compatibility when a display
connection is detected, like the change above.
Sverd, until the latter is fixed, maybe you can try if amdgpu.dc=0 helps.</pre>
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