Re: R10k O2

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Sun, 24 Feb 2008 22:23:43 +0100
Martin Husemann <martin%duskware.de@localhost> wrote:

> On Sun, Feb 24, 2008 at 03:49:03PM -0500, Stephen M. Rumble wrote:
> > Quoting Martin Husemann <martin%duskware.de@localhost>:
> > 
> > >On Sun, Feb 24, 2008 at 03:24:37PM -0500, Stephen M. Rumble wrote:
> > >>It should just be querying ARCBIOS for the address. Does 'printenv' in
> > >>the PROM show 'ff:ff:ff:ff:ff:ff' as well?
> > >
> > >Yes - some nvram problem, or can I just overwrite it?
> > 
> > I believe the address lives in a DS2502 EPROM on the pci riser.
> 
> Interesting: when rebooting the machine says:
> 
> unmounting file systems... done
> halting..ds2502_init: presence pulse not detected
> 
> ... and actually there is no pci riser in this machine ;-)

The sticker on the PCI riser in my O2 says
"This PCI tray is required for normal operation.
 If removed, it must be reinstalled before re-start."

> 
> > If the O2 will store arbitrarily-named environment variables in its  
> > flash, you could define eaddr2 and fall back on it in if_mec. It's  
> > somewhat less disgusting and could be useful in the future.
> 
> Seems like it does, but the topic is moot - the machine
> does not want to play with me anymore (does not power up at all).
> Guess I'll stop touching O2 hardware, it's way too fragile.

Major Ouch.
(My r5k O2 has an ESD-zapped audio interface ...)