No screens after (WW) Falling back to old probe method for modesetting

[David Airlie]

----- Original Message -----
> From: "Rafał Miłecki" <zajec5 at gmail.com>
> To: xorg-devel at lists.x.org, "dri-devel" <dri-devel at lists.freedesktop.org>, "Dave Airlie" <airlied at redhat.com>
> Cc: "Alex Deucher" <alexdeucher at gmail.com>
> Sent: Monday, 11 June, 2012 8:55:56 PM
> Subject: Re: No screens after (WW) Falling back to old probe method for modesetting
> 
> 2012/6/11 Rafał Miłecki <zajec5 at gmail.com>:
> > I'm trying to switch from fbdev to modesetting for my AMD Southern
> > Islands VERDE card. Of course I've KMS running just fine, radeon
> > module loads and sets correct resolution, dmesg looks alright
> >
> > Unfortunately Xorg doesn't start after forcing "modesetting", AFAIU
> > the driver doesn't provide any screens/modes. It looks like this:
> > (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
> > (WW) Falling back to old probe method for modesetting
> > (II) UnloadModule: "modesetting"
> > (II) Unloading modesetting
> > (EE) Screen(s) found, but none have a usable configuration.
> >
> > Can you give me any tip on this? My X.Org X Server is 1.10.4, I'm
> > using xf86-video-modesetting from today's git. Any patch/trick to
> > debug this issue?
> 
> Attaching Xorg.0.logs

Try adding a BusID maybe, though I'm not sure how tested modesetting is with that old an X server.

Dave.