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<th>Priority</th>
<td>medium
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Oopses on R9270X using UVD since radeon/uvd: use PIPE_USAGE_STAGING for msg&fb buffers"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83998">83998</a>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Summary</th>
<td>Oopses on R9270X using UVD since radeon/uvd: use PIPE_USAGE_STAGING for msg&fb buffers
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>All
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<th>Reporter</th>
<td>adf.lists@gmail.com
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<th>Hardware</th>
<td>Other
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<th>Status</th>
<td>NEW
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<th>Version</th>
<td>git
</td>
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
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<th>Product</th>
<td>Mesa
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<pre>R9270X Getting rareish Oopses and once oomkiller since -
commit 6327b584155d040ae089e65fd6747186bdd9666b
Author: Christian König <<a href="mailto:christian.koenig@amd.com">christian.koenig@amd.com</a>>
Date: Thu Sep 11 09:50:00 2014 +0200
radeon/uvd: use PIPE_USAGE_STAGING for msg&fb buffers
That better matches the actual userspace use case, the
kernel will force it to VRAM if the hardware requires it.
To trigger this I need to repeatedly start mplayer using uvd - it's takes some
time, I ended up making a script to do it for me while AFK.
I am 99% sure the above is it - I spent a day and a half trying on the commit
before (radeon/video: use the hw to initial clear the buffers) with no crash.
The Oopses don't mention radeon or uvd.
They will hit as soon as mplayer launches before it renders anything - screen
locked, no mouse cursor or vt switch but SysRq works, box is still up in some
ways for a while (one time I had music playing for 30s-1min after).
One time oomkiller put on its blindfold and ran around killing :-)</pre>
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