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Date:      Sun, 17 Dec 2000 01:19:07 +0000
From:      David Goddard <goddard@acm.org>
To:        stable@freebsd.org
Subject:   Spontaneous rebooting problems
Message-ID:  <3A3C148B.9B08542D@acm.org>

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Hi,

In the course of one week, we have had three FreeBSD stable boxes just
reboot on us and I'm trying to work out what's going wrong.  The reboots
were at different times of day with machines at different physical
locations, so I don't believe power outages were involved (although
we're looking into any causes along those lines).

I guess there may be a degree of concidence involved, but I really would
like to see if there's any common factor here.

The messages log show nothing before the reboot:

[...]
Dec 16 03:59:00 cassium /kernel: ipfw: Entry 306 cleared.
Dec 16 04:20:02 cassium /kernel: Copyright (c) 1992-2000 The FreeBSD
Project.
Dec 16 04:20:02 cassium /kernel: Copyright (c) 1979, 1980, 1983, 1986,
1988, 1989, 1991, 1992, 1993,1994
[...]
Dec 16 04:20:02 cassium /kernel: WARNING: / was not properly dismounted

One of the machines was built from 4.2 stable sources cvsupped Nov 23 at
about 18:00 GMT, the others are similar.

I don't believe any of the machines were particularly heavily loaded at
the time.  At least one of them had no (legitimately) logged on users.

Any clues to what happened or pointers to how I can look into this
further myself are greatly appreciated...

Thanks,

Dave


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