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To: ashas@takas.lt
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 07 Feb 2006 10:22:56 -0500
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Cc: freebsd-questions@freebsd.org
Subject: Re: system freezes
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ashas@takas.lt writes:

> I'm using freebsd 6.0.
> 
> After some time my system (router+nfs+ftp) freezes. After 10days I
> noticed that I cant ping my system.
> The monitor was kept shutdown so I got no message to screen and
> pushing any buttons didnt help out to wake up monitor.
> After reboot I haven't fount anything strange in my system or logs.
> 
> How to try to find system freeze problem, because it happens at least
> twice a month.

Unfortunately, these kinds of problems are hard to diagnose, because
they are usually (not always, but most of the time) caused by hardware
problems.  So you can check the usual culprits for hardware failure,
but obviously if it's working okay at the moment, it can be extremely
difficult to figure out where the blame lies.

If you can figure out whether there are any patterns to when the
system freezes, and even what it was doing at the time, you will have
the most important clues for starting with.

Good luck.