(In reply to comment #25)
> Hi. I'm having a similar GPU lockup CP stall on a REDWOOD card. But it
> doesn't happen at login. With kernels 3.9, 3.10 I can run  Xorg, use KDE
> Kwin effects without any issue; but when I start a game like 0a.d. or Need
> for Speed Most Wanted under wine, after some time a lockup happens. With
> kernel 3.11-rc3 lockups occurs while in desktop, little time after login
> -with or without radeon.dpm set to 1-.
> 
> Here are two attachments (the two running a kernel 3.10) of dmesg, one with
> R600_HYPERZ=0 env var set, and the other not (as suggested on another bug).
> 
> Is there anything else I can help?

Please open a different bug.  Your issues are not related to this one.