G5 boots multi-user!

[Garrett Cooper]

On Mon, Jul 21, 2008 at 4:10 PM, Nathan Whitehorn
<nwhitehorn at freebsd.org> wrote:
> There appears to be a bug in NFS not using using copyin() to get the
> hostname from its arguments when a mount is being updating. Fixing that with
> an #if 0 sledgehammer produces the following patch:
>
> http://people.freebsd.org/~nwhitehorn/nfs_vfsops.diff
>
> Combine that with the main G5 patch:
>
> http://people.freebsd.org/~nwhitehorn/g5.diff
>
> This produces a system that will boot multiuser on my iMac G5. It still has
> plenty of bugs, to whit:
>
> 1) The system is extremely slow. Measured CPU clock speed is 50 MHz, which
> is about what it feels like. I think it is in a low-power mode, but IBM docs
> say it can only run at 1800 and 900 MHz. So this is probably an inefficiency
> in the MMU module.
>
> 2) There remain several nasty panics. The system is not especially stable
> yet.
> -Nathan

Nathan,
     Let me know if / when you need to test out some changes on a
Powermac G5 UP system.
Cheers,
-Garrett