linux-kernel - How to debug random bus errors?

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Date:	Fri, 22 Sep 2006 11:11:14 -0600
From:	Orion Poplawski <orion@...a.nwra.com>
To:	linux-kernel@...r.kernel.org
Subject:  How to debug random bus errors?

We're seeing programs die with "bus error" (SIGBUS) randomly on a dual 
processor Opteron machine.  I've run memtest86+ and cpuburn stress tests 
with no failure.  gdb on a core file seems uninteresting.  Is there some 
way to trace the kernel to try to get more insight?

Thanks!

-- 
Orion Poplawski
System Administrator                  303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion@...a.nwra.com
Boulder, CO 80301              http://www.cora.nwra.com

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