ibook1 hangs during boot, atyfb broken

[Benjamin Herrenschmidt]

> Using an older DVI TiBook, atyfb has been broken at least since 2.6.8 or 
> so, and still is with 2.6.15, in that it can't seem to synchronize with 
> the LCD and maybe 50% of the (re-)boots produce just more-or-less 
> shimmering/flashing garbage on screen. Doesn't completely hang though...

Except that no tibook ever used atyfb...

Ben.