Date: Thu, 18 Aug 2005 10:24:42 -0500 From: harrisb@rcisd.org To: ticso@cicely.de Cc: freebsd-alpha@freebsd.org Subject: Re: machine check on 4100 5.4-RELEASE Message-ID: <OFEB0B9C6C.361AA7F5-ON86257061.005478FD-86257061.005467B3@rcisd.org> In-Reply-To: <20050818111551.GP77387@cicely12.cicely.de>
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Here's the panic info:
--------------------------------------------
Mounting root from ufs:/dev/da0a
unexpected machine check:
mces = 0x1
vector = 0x670
param = 0xfffffc0000004e10
pc = 0xfffffc000072faa8
ra = 0xfffffc000072bba4
curproc = 0xfffffc002e7cc000
pid = 693, comm = perl5.8.6
panic: machine check
cpuid = 1
boot() called on cpu#0
Uptime: 1m50s
Cannot dump. No dump device defined.
------------------------------------------
The perl script running is my mrtg scripts that start
from rc.d.
Bill Harris
Director of Technology
Royse City ISD
(972)-635-5050
Bernd Walter <ticso@cicely12.cicely.de>
08/18/05 06:15 AM
Please respond to
ticso@cicely.de
To
harrisb@rcisd.org
cc
freebsd-alpha@freebsd.org
Subject
Re: machine check on 4100 5.4-RELEASE
On Wed, Aug 17, 2005 at 04:53:28PM -0500, harrisb@rcisd.org wrote:
> All of a sudden, I'm getting regular crashes with machine check's.
>
> I've pulled one of the 533 CPU's, which didn't help, and now am
> wondering if it's possible that my instance of Mysql with all it's
> unaligned errors
> could possibly cause it crash? I've stopped the mysql daemon for a
> while just to see if it stabilizes. Anyone have any ideas?
>
> It will crash after it's been up for days, and then immediately after
> reboot.
Details about the machine checks would be interesting.
Unaligned errors in userland are corrected or the appplication is
terminated, depending on configuration.
Only unaligned faults inside the kernel are fatal.
> I keep thinking hardware, but all the srm test fine.
Hard- and software is possible, but without further details this is
hard to say.
--
B.Walter BWCT http://www.bwct.de
bernd@bwct.de info@bwct.de
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