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Re: O2 RM7000 Issues

To: Kumba <kumba@gentoo.org>
Subject: Re: O2 RM7000 Issues
From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Mon, 2 Jul 2007 15:34:40 +0100 (BST)
Cc: Linux MIPS List <linux-mips@linux-mips.org>
In-reply-to: <4687DCE2.8070302@gentoo.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <4687DCE2.8070302@gentoo.org>
Sender: linux-mips-bounce@linux-mips.org
On Sun, 1 Jul 2007, Kumba wrote:

> I've got a feeling this is likely a problem in the kernel more than it is a
> problem in the userland, but the question is how to go about determining which
> and where.  The RM7K's are pretty rare, so I imagine there's probably a few
> undiscovered quirks in the code (notably the SC code in
> arch/mips/mm/sc-rm7k.c). 

 FYI, I had problems with the secondary cache of this CPU the last time I 
tried it with a Malta too -- random hangs of user processes.  So far I 
have had no time to dig into it unfortunately.

  Maciej

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