Re: video problem on powerbook g4 in squeeze

[drz <drz@rizzux.org>]

Am Freitag 23 Juli 2010 16:39:08 schrieb drz:
> Am Dienstag 13 Juli 2010 19:48:49 schrieb Elimar Riesebieter:
> > * Eric Abrahamsen [100712 22:25 -0700]:
> > > "brian m. carlson" <sandals@crustytoothpaste.net> writes:
> > > > On Mon, Jul 12, 2010 at 11:46:24AM -0700, Eric Abrahamsen wrote:
> > > >> video=radeonfb:off
> > > >>
> > > >> only problem is I don't actually know where to put that...
> > > >
> > > > You'll probably want to put that in the append option for
> > > > yaboot.conf, IIRC.
> > >
> > > I added that, but on reboot it still seems to be loading radeonfb:
> > > dmesg still gives "Invalid ROM contents" and "Invalid ROM signature"
> > > for radeonfb (and video is still streaky). Any other likely ways of
> > > disabling radeonfb?
> >
> > As told here you need to put it to your append section of
> > yaboot.conf:
> >
> > append="root=/dev/hda? video=radeonfb:off"
> >
> > and run ybin -v afterwards.
> >
> > To check which framebuffer you're using just read  the output of
> > cat /proc/fb
> >
> > It should be either radeonfb or radeondrmfb ;-)
> >
> > Elimar
> 
> I get this error if I do ybin -v after checking this out:
> 
> ybin:  /dev/hda7: No such file or directory
> 
> although fdisk -l tells me:
> /dev/hda7         Apple_Bootstrap untitled               33203 @ 84081652 
>  ( 16.2M)  NewWorld bootblock
> 
> can anyone help?
> thx
> drz
> 
To answer my own post: I bet its this bug of yaboot:

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=589701

greetz
drz