From owner-freebsd-sparc64@FreeBSD.ORG  Sat Jan  1 23:29:51 2005
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Date: Sat, 1 Jan 2005 15:29:50 -0800 (PST)
From: Doug White <dwhite@gumbysoft.com>
To: cuma1207 <cuma1207@yahoo.com.tw>
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cc: freebsd-sparc@FreeBSD.org
Subject: Re: Fast Data Access MMU Miss problem
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I know this is old, but ...

On Tue, 21 Dec 2004, cuma1207 wrote:

> hi all
>
> First I would like thank you about the job of freebsd
> on sparc64,
> I am trying to install 5.3R on my sparc mb, I boot
> from CDROM and finish the installaion. Then when I
> boot from HD , I got a "Fast Data Access MMU Miss"
> error.
>
> here is the log:
>
> Netra AX1115S-500 (UltraSPARC-IIe 500MHz), No Keyboard
> OpenBoot 4.0, 1024 MB memory installed, Serial
> #51134023.
> Ethernet address 0:3:ba:c:3e:47, Host ID: 830c3e47.
>
> Executing last command: boot
> Boot device: disk  File and args:
>
> >> FreeBSD/sparc64 boot block
>    Boot path:   /pci@1f,0/pci@1/scsi@8/disk@0,0:a
>    Boot loader: /boot/loader
> Console: Open Firmware console
>
> FreeBSD/sparc64 bootstrap loader, Revision 1.0
> (root@bobbi.cse.buffalo.edu, Fri Nov  5 02:16:10 UTC
> 2004)
> bootpath="/pci@1f,0/pci@1/scsi@8/disk@0,0:a"
> Fast Data Access MMU Miss

I find that 'reset-all' helps in these instances. Sometimes the OBP
environment gets messed up from a prior boot and reset-all clears it. Or
try a full power cycle.

If that doesn't clear it then your CD might be damaged.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org