machine check on 4100 5.4-RELEASE

[Bernd Walter]

On Wed, Aug 17, 2005 at 04:53:28PM -0500, harrisb at 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 at bwct.de                                  info at bwct.de