Hello Andrew ,
On Tue, 17 Jul 2007, Andrew Burgess wrote:
The 'MCE's have been ongoing for sometime . I have replaced every item
in the system except the chassis & scsi backplane & power supply(750Watts) .
Everything . MB,cpu,memory,scsi controllers, ...
These MCE's only happen when I am trying to build or bonnie++ test the
md3 . It consists of (now 7+1spare) 146GB drives in the SuperMicro
SYS-6035B-8B's backplane attached to a LSI22320 .
Probably every old timer has a story about chasing a hardware problem
where changing the power supply finally fixed it. I keep spares now.
If an MCE (which means bad cpu) doesn't go away after changing the cpu
it would either have to be temperature, power or a bug in the MCE code.
What else could it be?
Thank you for the idea of 'changing out the PS' . So I did it a bit
differant . I removed the system PS from the raid backplane & dropped in a
known good ps of proper wattage & re-tested . But left the systems ps attached
to only the MB & fans .
It doesn't appear to be power load related . I tried rebuilding my 7
disk raid6 array & I got the same thing , MCE .
Now the raid backplane is still in the air stream in front of the cpu's
and memory slots . So it could be a marginal cpu or memory stick .
But here's the clincher , when I don't use the two drives in from of
the PS & cpu & memory slots . The array completes it's resync . So I'm back to
testing memory (again) , If that passes then I'll try the new cpu(s) route .
Tnx All , JimL
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| James W. Laferriere | System Techniques | Give me VMS |
| Network Engineer | 663 Beaumont Blvd | Give me Linux |
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