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Re: Bug#608343: installation-reports: nouveau makes display unusable (GeForce 5200 FX)



reassign 608343 linux-2.6 2.6.32-29
kthxbye

On Thu, Dec 30, 2010 at 14:21:00 +0000, Sam Morris wrote:

> On Thu, 2010-12-30 at 14:40 +0100, Julien Cristau wrote:
> > > > As soon as the 'nouveau' kernel module is loaded, the display only shows 'video
> > > > mode not supported' until the machine is rebooted.
> > > > 
> > > > Creating a blacklist entry in /etc/modprobe.d for the nouveau module is not
> > > > sufficient to prevent it from being loaded.

Weird, that should have worked.

> > > > Putting GRUB_CMDLINE_LINUX="nouveau.modeset=0" in /etc/default/grub and running
> > > > update-grub prevents nouveau from operating, however Xorg falls back to the
> > > > vesa module rather than nv, making the system very slow to use.

Please file a separate bug for this.

> > > Reassigning to the nouveau X driver. That may belong to the kernel
> > > package but X maintainers will know this better than the installer
> > > team..:)
> > > 
>      A. They don't know any better without seeing dmesg and X logs.
> 
> Indeed, that was remiss of me. Here are the logs.
> 
Thanks.  It seems the kernel detects a monitor on VGA, is that correct?
What resolution should it be using (1280x1024, from the EDID in the X
log)?  Could you try booting the kernel in experimental?  Without X,
since the kernel ABI changed so that won't work anyway, but just loading
nouveau.ko should do the modeset dance and either give a black screen or
a working console.

> Happy New Year!

And a happy new year to you too :)

Cheers,
Julien

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