[Bug 71448] [UVD] qvdpautest is very slow on radeonsi (HD 7950)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Nov 11 04:04:00 PST 2013


https://bugs.freedesktop.org/show_bug.cgi?id=71448

--- Comment #11 from Grigori Goronzy <greg at chown.ath.cx> ---
(In reply to comment #5)
> (In reply to comment #4)
> > FATAL: get_bits failed : No backend implementation could be loaded.!!    
> > 
> > There's some problem with your build.
> 
> That message is normal, just a function we haven't implemented yet.
> 

As far as I can see it's actually illegal API usage in qvdpautest. It's trying
to read from uninitialized video surfaces, which is not guaranteed to work.
Swapping around the order of tests so that it does the PutBits test first fixes
it.

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