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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Radeon uvd makes VDPAU clients to crash at vlVdpDecoderCreate with 1080p videos"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78297#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Radeon uvd makes VDPAU clients to crash at vlVdpDecoderCreate with 1080p videos"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78297">bug 78297</a>
from <span class="vcard"><a class="email" href="mailto:deathsimple@vodafone.de" title="Christian König <deathsimple@vodafone.de>"> <span class="fn">Christian König</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=78297#c10">comment #10</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=78297#c9">comment #9</a>)
> > That's the problem:
> >
> > [ 1.714537] [drm] Detected VRAM RAM=1024M, BAR=128M
> >
> > Your PCI BAR is smaller than usually, for a REDWOOD 256M are normal. Going
> > to hack up a patch for this.
>
> Nice to hear!
> But in these cases where there's not enough memory, shouldn't the vdpau
> driver to fail returning an error (making the client to fallback to software
> rendering), instead of crashing?</span >
It's not the VDPAU driver that's failing here, it's the kernel.
When the kernel can't place a buffer into visible VRAM the buffer should be
moved into GART instead for CPU access. But instead we just return a SIGBUS to
the application effectively crashing it.</pre>
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