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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - kernel-3.11 [drm:r600_uvd_ring_test] *ERROR* radeon: ring 5 test failed (0xCAFEDEAD)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67276#c21">Comment # 21</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - kernel-3.11 [drm:r600_uvd_ring_test] *ERROR* radeon: ring 5 test failed (0xCAFEDEAD)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67276">bug 67276</a>
from <span class="vcard"><a class="email" href="mailto:joshuacov@gmail.com" title="Joshua Cov. <joshuacov@gmail.com>"> <span class="fn">Joshua Cov.</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=67276#c12">comment #12</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=67276#c11">comment #11</a>)
> > The bug still appears, so this is not the faulty patch. Obviously it happens
> > during cold boot, otherwise I haven't seen it.
> >
> > Can you help me to debug this?
> >
> > I have to say I haven't seen this with kernel-3.9 and all UVD and DPM staff
> > applied. It worked there flawlessly.
>
> Bisect?</span >
I tracked this down to commit 9cc2e0e9f13315559c85c9f99f141e420967c955
"drm/radeon: never unpin UVD bo v3". After reverting this commit I couldn't
reproduce the bug trying numerous times to cold boot the pc.
CC: Christian König</pre>
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