(In reply to MirceaKitsune from comment #20)
> edbbfac6cfc634e697d7f981155a5072c52d77ac is the first bad commit
> commit edbbfac6cfc634e697d7f981155a5072c52d77ac
> Author: Grigori Goronzy <greg@chown.ath.cx>
> Date:   Wed Sep 11 01:41:40 2013 +0200
> 
>     r600g: fast color clears for single-sample buffers

Thank you for bisecting. So you can reliably reproduce the problem with that
commit, but not with its parent commit
56d9a397aa2dbee6b12e1bbe56be39f426e1e34d?

Grigori, any ideas?