On Sat, 2003-03-01 at 03:18, Mark Vojkovich wrote:
>    Hmmm.  I've never tried it on a PowerBook.  I guess I will have
> to see if I can borrow one from around here to play with.  Unfortunately,
> that means it's unlikely to be fixed in 4.3 (I recall having a difficult
> time with Linux PPC installation).

Only very recent apple laptops have nVidia chips, and of course,
those also need very recent kernels, typically not what is on
installation CDs of distros, so indeed, installing can be tough.

For older machines, there are a bunch of distros around that should
pretty much work out of the box. (If you have access to a PPC machine
you want to play with and want some indications about installing
a distro, let me know by email).

I had also a couple of reports of offb not beeing properly restored
on switch from X on non-laptops. (Dan Burcaw from TerraSoft should
have or will shortly send you a note about this).

>    Can you VT switch back to the X-server OK, and startx again after
> quitting?  If so, it's probably just a matter of not enough stuff
> being saved and restored in the UnLoad/LoadStateExt functions in
> riva_hw.c.  Probably some of the CRTC registers, possibly something
> specific to the PowerBook.  I supposed it could also be an offb
> issue.

I don't think offb can do anything here. It's basically not touching
the hardware at all, and since OF is long dead when linux has
booted, it relies entirely on X restoring the full card state
properly. offb "picks" whatever framebuffer base address configured
by the firmware, and uses that assuming it is 8 bpp. It does have
a couple of hacks to access the palette registers on some ATIs,
but that's pretty much all it does.

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