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тАО03-15-2004 03:45 PM
тАО03-15-2004 03:45 PM
Re: messages - CPU error
I will ask the user to call up HP.
Thanks,
Karthik S S
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тАО03-15-2004 04:18 PM
тАО03-15-2004 04:18 PM
Re: messages - CPU error
I have seen this happen many a times as many of our colleagues have suggested you could try
1. To power down your machine and refix the
CPUs or even swap them and see how things
go. This will also confirm whether the
error is actually on the CPU (as the
CPU position changes when you swap, the
error if any should give you a different
CPU location)
2. Use Decevent to look for any errors
Many a times these errors are caused by environmental factors and mostly due to CPU fan failures. But in the cases where CPU fans have failed, it will for sure give you a message on the fan failure.
If i were you, i would log a call with HP and have them change the CPUs in question. It really depends on the criticality of these servers at your site. In my case, i cannot afford a downtime and so if there is any doubt, just HP and myself will make a decision to replace them without taking any chances
I also have seen many posts in this forum with same issues. It would be interesting to see what resolutions others have carried out without having to replace the CPUs.
regards
Mobeen
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тАО03-15-2004 04:56 PM
тАО03-15-2004 04:56 PM
Re: messages - CPU error
Thanx I will try that before calling hp...
by the way, how do I use decevent? is it a command??
Thanks,
Karthik S S
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тАО03-15-2004 05:34 PM
тАО03-15-2004 05:34 PM
Re: messages - CPU error
Please review the link below and you will be able to use those commands.
http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V40G_HTML/AQTLSBTE/DOCU_008.HTM
Let me know if you still have issues trying to figure it out.
regards
Mobeen
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тАО03-15-2004 06:35 PM
тАО03-15-2004 06:35 PM
Re: messages - CPU error
the easiest way to use decevent is:
dia -R | more
to let it go backward in time.
Michael
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тАО03-15-2004 06:43 PM
тАО03-15-2004 06:43 PM
Re: messages - CPU error
Some of the output from decevent,
------
Machine Check Reason x0086 Alpha Chip Detected ECC Err, From B-Cache
stdin
Ext Interface Status Reg xFFFFFFF085FFFFFF
DATA SOURCE IS BCACHE
CORRECTABLE ECC ERROR
D-ref fill
Machine Check Reason x0086 Alpha Chip Detected ECC Err, From B-Cache
Ext Interface Status Reg xFFFFFFF085FFFFFF
DATA SOURCE IS BCACHE
CORRECTABLE ECC ERROR
D-ref fill
EV5 Chip Rev 5
Ext Interface Address Reg xFFFFFF0029831EAF
Fill Syndrome Reg x000000000000B500
Interrupt Summary Reg x0000000100000000
Correctable ECC Errors (IPL31)
AST Requests 3-0: x0000000000000000
WHOAMI x00000000 CPU0 Detected This Error
---------------------------
looks like a CPU cache / memory error.
Thanks,
Karthik S S
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тАО03-15-2004 06:50 PM
тАО03-15-2004 06:50 PM
Re: messages - CPU error
From the DECevent output it looks like this is a correctable cache error. I would suggest that you power down the machine and take this opportunity to remove the CPUs and put them back into their sockets :-)
I think the cache will be cleared totally when the machine is powered down.
Regards
Mobeen
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тАО03-15-2004 06:52 PM
тАО03-15-2004 06:52 PM
Re: messages - CPU error
-Karthik S S
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тАО03-15-2004 06:58 PM
тАО03-15-2004 06:58 PM
Re: messages - CPU error
Thats great. I am sure that should helo.
I would appreciate if you could post back if things were ok after doing the same. Looks like many people are having similar issues on the Alphas :-) and your post will most certainly help them all.
regards
Mobeen
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тАО03-15-2004 07:03 PM
тАО03-15-2004 07:03 PM
Re: messages - CPU error
-KarthiK S S