Xorg 7.0 RC3 (and 1 & 2): Can't start X on PCI Radeon

[Benjamin Herrenschmidt]

On Thu, 2005-12-08 at 12:41 +0100, Michel Dänzer wrote:
> On Thu, 2005-12-08 at 22:18 +1100, Dave Airlie wrote:
> > >
> > > Did that include not enabling the DRI, using XAA instead of EXA, ... ?
> > >
> > > The VideoRam directive is definitely incorrect, but I doubt it's causing
> > > this problem.
> > 
> > If it works with DRI disabled, I'd bet the bus mastering patch is
> > causing this...
> 
> I assume you're referring to
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=3911
> 
> I doubt it, as it seems to be hanging in AccelInit(), which is well past
> SetFBLocation().
> 
> My first guess would be that the DRM still doesn't handle secondary
> cards quite right.

I've had lockups in AccelInit on the first WaitForIdleCP here that were
caused by the bus master problem.

Ben.