From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: cw@f00f.org (Chris Wedgwood)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), vhou@khmer.cc (Vibol Hou),
linux-kernel@vger.kernel.org (Linux-Kernel)
Subject: Re: Machine check exception? (2.4.6+SMP+VIA)
Date: Sun, 8 Jul 2001 15:00:22 +0100 (BST) [thread overview]
Message-ID: <E15JF6k-0000AI-00@the-village.bc.nu> (raw)
In-Reply-To: <20010708192805.C26213@weta.f00f.org> from "Chris Wedgwood" at Jul 08, 2001 07:28:05 PM
> Is there any reason why, with proper MCE checking for both K7 and PIII
> we can't automatically off-line processors when they start doing bad
> things?
Architectural limitations. Its entirely possible that the cache of the dying
processor contains exclusive copies of arbitary data.
> Also, I'm pretty sure I was seeing overheating problems or something
> on a K7 at one point, but never saw MCE; I take it this code only
> exists fully in -ac kernels? I looked in Linus' tree and couldn't see
> anything.
Only -ac has K7 MCE enabled right now - also MCE is not guaranteed to catch
problems.
next prev parent reply other threads:[~2001-07-08 14:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-07 20:32 Vibol Hou
2001-07-07 20:54 ` H. Peter Anvin
2001-07-07 21:41 ` Alan Cox
2001-07-08 7:28 ` Chris Wedgwood
2001-07-08 14:00 ` Alan Cox [this message]
2001-07-08 15:33 ` Dave Jones
2001-07-08 17:04 ` Chris Wedgwood
2001-07-08 17:09 ` Dave Jones
2001-07-08 17:18 ` Chris Wedgwood
2001-07-08 20:39 ` H. Peter Anvin
2001-07-08 17:32 ` Vibol Hou
2001-07-08 20:40 ` H. Peter Anvin
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