Hello,

> I noticed some sort of mmap problem a while back playing with a G4 digital
> audio.
> 
> Don't know if this will help you, but try booting into MacOS (9.x), set the
> resolution the way you want it there, then restart (not a power cycle) into
> netbsd.
> 
> There was some suspicious looking "assume it's a PC" code, but my attempts
> to debug it failed.

THe problem ( at least for the voodoo3 ) is almost certainly the vgahw module - the driver uses it to program resolutions and so on. And of course some "let's just assume we start from text mode" stuff.

have fun
Michael