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Re: R10000 SGI O2

To: Keith M Wesolowski <>
Subject: Re: R10000 SGI O2
From: Ralf Baechle <>
Date: Fri, 16 Feb 2001 17:59:02 -0800
Cc: Stockli Reto <>,
In-reply-to: <>; from on Tue, Feb 13, 2001 at 07:07:16PM -0800
References: <> <>
User-agent: Mutt/1.2.5i
On Tue, Feb 13, 2001 at 07:07:16PM -0800, Keith M Wesolowski wrote:

> > For not repeating here what has already been done:
> > Has anyone ever tried the same before and what are the problems to
> > encounter? I will most likely boot from a bootp linux server. Is there a
> > chance that I get a console on my O2 or do I only have a serial
> > connection.
> There is no chance whatever that you will get anything.  If you want
> to have any chance at all of getting this to work I would recommend
> you ask Harald for his latest patch; it provides some level of support
> for r5k-based IP32 (O2) systems.  r10k O2 suffers from the same
> cache-noncoherency problem as r10k I2 does, and to the best of my
> knowledge nobody has ever really tried to even boot one.
> Not to discourage you at all...there's just a lot of work to do.

It's really hard work to do.  R12000 O2s however should be much easier to
do; the processor feature which causes so much grief in the O2 can be
disabled there.


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