linux-kernel - Re: [BUG] 2.6.21-rc1,2,3 regressions on my system that I found so far

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Message-Id: <1174368995.14239.3.camel@perkele>
Date:	Tue, 20 Mar 2007 01:36:35 -0400
From:	Eric St-Laurent <ericstl34@...patico.ca>
To:	Lee Revell <rlrevell@...-job.com>
Cc:	tglx@...utronix.de, Maxim Levitsky <maximlevitsky@...il.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Adrian Bunk <bunk@...sta.de>,
	Arjan van de Ven <arjan@...radead.org>,
	Len Brown <lenb@...nel.org>
Subject: Re: [BUG] 2.6.21-rc1,2,3 regressions on my system that I found so
	far

On Tue, 2007-20-03 at 01:04 -0400, Lee Revell wrote:

> I think CONFIG_TRY_TO_DISABLE_SMI would be excellent for debugging,
> not to mention people trying to spec out hardware for RT
> applications...

There is a SMI disabling module in RTAI, check the smi-module.c in this:

https://www.rtai.org/RTAI/rtai-3.5.tar.bz2

More infos:

http://www.captain.at/rtai-smi-high-latency.php
http://www.captain.at/xenomai-smi-high-latency.php

It might make sense to merge this code, at least in the -rt tree.


- Eric


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