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Date: Tue, 10 May 2011 09:19:49 +0200
From: Bouchard Louis <louis.bouchard@canonical.com>
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Subject: Re: [Bug] Kdump does not work when panic triggered due to MCE
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To: prasad@linux.vnet.ibm.com
Cc: Bouchard Louis <louis.bouchard@canonical.com>, "kexec@lists.infradead.org" <kexec@lists.infradead.org>

Hello,

Le 09/05/2011 19:03, K.Prasad a =E9crit :
> On Mon, May 09, 2011 at 05:21:06PM +0200, Bouchard Louis wrote:
>> I have seen numerous occurrences of MCE triggered kernel panics on both
>> RHEL & SLES environment used on IA32 architecture. Both in contexts
>> where kexec/kdump was being used.
>>
> That's interesting! Assuming that these are not software induced MCEs
> but panic() calls invoked due to unrecoverable memory errors in a
> physical machine, did you experience any situation where the kdump
> kernel hung/rebooted due to a second MCE (triggered while reading the
> faulty memory location belonging to the first kernel)? =

What I'm relating is issues I have seen in the past, while I was
employed somewhere else. Unfortunately, I no longer have access to any
of those dumps.

Kind regards,

...Louis

-- =

Louis Bouchard
Server Support Analyst
Canonical Ltd
Ubuntu support: http://landscape.canonical.com


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