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Re: O2 RM7000 Issues

Subject: Re: O2 RM7000 Issues
From: Ralf Baechle <>
Date: Wed, 4 Jul 2007 16:27:29 +0100
Cc: Linux MIPS List <>
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
User-agent: Mutt/1.5.14 (2007-02-12)
On Mon, Jul 02, 2007 at 09:08:43AM -0400, wrote:
> From:
> Date: Mon, 2 Jul 2007 09:08:43 -0400 (EDT)
> To: Linux MIPS List <>
> Subject: Re: O2 RM7000 Issues
> Content-Type: text/plain;charset=UTF-8
> I have one of the 600 Mhz RM7000s, i.e. no tertiary cache since the module
> was originally a 300 Mhz RM5200. However, mine hasn't given any problems
> with Debian or Gentoo.
> What kernel and target are you compiling for? I'm using compiled
> for R5K. All my userspace is compiled for R5K too. I'll compile a new
> kernel for RM7000 and see if I have any issue then poke around to see what
> kernel code gets changed. I'm not 100% sure, but I didn't think it was
> that much so my gut reaction is this might be a gcc issue since the RM7000
> isn't a common processor.

R5000, RM5200 and RM7000 are all MIPS IV processors so have the same
instruction set.  That leaves the usual suspects - pipeline hazards,
cache problems and CPU bugs to research.


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