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Date: Mon, 21 Jul 2008 23:13:40 -0700
From: "Garrett Cooper" <yanefbsd@gmail.com>
To: "Nathan Whitehorn" <nwhitehorn@freebsd.org>
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References: <4885176C.8000206@freebsd.org>
Cc: freebsd-ppc@freebsd.org
Subject: Re: G5 boots multi-user!
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On Mon, Jul 21, 2008 at 4:10 PM, Nathan Whitehorn
<nwhitehorn@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