(In reply to comment #12)
> (In reply to comment #11)
> > Hm, that's funny. You said 10.1.4 worked, which contains that commit... I
> > suspected that commit as well until I saw that you said 10.1.4 was fine.
> > I'll think about it.
> 
> I said 10.1.4 WAS fine, already builded (21.06.2014) and downloaded from
> Arch Linux repository.

Yes, that was my implication as well.

> But in current building environment, all revisions since bisected commit
> seems buggy on nv30.
> 
> I will try to revert this patch on tomorrow.

There's probably some additional interaction with a patch that hadn't made it
to 10.1... perhaps the screen sharing change to better support
NV_vdpau_interop, but I don't really see how that could cause issues either.