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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NV50/GT200] fifo: DMA_PUSHER ... (err: INVALID_CMD) push 00400040"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109556#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [NV50/GT200] fifo: DMA_PUSHER ... (err: INVALID_CMD) push 00400040"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109556">bug 109556</a>
from <span class="vcard"><a class="email" href="mailto:bastian.beischer@rwth-aachen.de" title="bastian.beischer@rwth-aachen.de">bastian.beischer@rwth-aachen.de</a>
</span></b>
<pre>I bisected the problem to a commit in Qt 5.12.1 which enabled multithreaded GL
rendering. I've read elsewhere that nouveau DRM doesn't deal well with mt
rendering.
For more info, see here:
<a href="https://bugreports.qt.io/browse/QTBUG-73715">https://bugreports.qt.io/browse/QTBUG-73715</a>
So from the nouveau side there's no new problem here and I think this bug
report can be closed.</pre>
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