Re: R10000 SGI O2

[Ralf Baechle <ralf@oss.sgi.com>]

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.

  Ralf