NVIDIA / nouveau thread branch [was Re: Fedora 12 QA retrospective - feedback needed]

[Neal Becker]

On Wednesday 25 November 2009, Nicolas Chauvet wrote:
> 2009/11/25 Adam Williamson <awilliam at redhat.com>:
> > On Wed, 2009-11-25 at 15:02 -0600, Michael Cronenworth wrote:
> >> On 11/25/2009 02:15 PM, Adam Williamson wrote:
> >> > and the nvidia kernel module conflicts with
> >> > the nouveau one.
> >>
> >> There is no conflict. I'm not sure why RPMFusion is recommending
> >> rebuilding your initramfs. It is completely unnecessary.
> >
> > Uh? If the nouveau kernel module is loaded, the nvidia kernel module
> > refuses to load, complaining that another module is in control of the
> > hardware. I've seen multiple people report this. I haven't seen anyone
> > who's got the NVIDIA driver working if the nouveau module is loaded.
> 
> I think it's possible, but it's random.
> In some case, it works, in others not.
> 
> Once that said, I saw that it could be possible to use
> nouveau.modeset=0 on the grub line.
> I never tried that solution, but the perspective to have two
> differents driver loaded at the same time for one hardware just scared
> me.
> 
> IIRC nvidia-installer (not nvidia.ko) has detection routine to know if
> nvidiafb is loaded, because it has produced well knwon
> incompatiblities from the past. I wonder if they have updated it for
> nouveau.
> 
> Nicolas Chauvet (kwizart)
> 
nouveau.modeset=0 doesn't work here, kernel says it's unknown (and ignored).  
This works:

rdblacklist=nouveau