"frequent" crashes without a trace

From: Jarkko Airaksinen (JAiraksinen@zed.com)
Date: Wed Feb 07 2007 - 09:04:30 EST


Hello to all Gurus out there,

One of our Fujitsu-Siemens PP450's running sol8 just rebooted. It didn't
leave anything in the messages files: the last entry before the crash is
just a normal ftp login message and then 20 minutes later the normal
boot messages start. This has happened twice before as well, last time
105d ago.

I don't think we had a power outage as there are other servers connected
to the same power rails; more servers would have at least shown "psu
failures" but there's nothing there.

In the madmin in the power log at the time of the crash there are two
entries:

  1. Feb 7 14:37:41 2007 CET Reset-Release [Unlock]

                              Nothing (Detail=00,00,00,00)

  2. Feb 7 14:37:35 2007 CET POR [Unlock]

How could I interpret those messages?

Any ideas how to start investigating what caused the server to crash
from the fly like that?

Thanks to everyone,

Jarkko

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