(In reply to comment #49)
> (In reply to comment #47)
> > (In reply to comment #40)
> > > I am also seeing the corruption on Mesa 10.0.1.
> > 
> > Same here: lots of flickering textures. rv730 (HD4xxx).
> > 
> > Present with the tip of the master branch. Not influenced by 7948ed1250.
> > So far I haven't been able to find a revision that does *not* show the
> > flickering. I went as far back as December 2012.
> 
> Please set this environment variable:
> 
> R600_DEBUG=nodma,nocpdma
> 
> and tell us if it fixes anything.

These two options do not help. Do you want me to file a new bug?