On Tue, 18 Apr 2006, Matt Watson wrote:
I'm not sure if this is the right place to be sending this or not but I
figured I'd give it a shot.
This (freebsd-stable) is a good place to send the message.
Do you have a serial console on the box? If not, could you try putting one on
there? Some kernel output, especially in the event of a crash, doesn't end up
in the system log as (for example) the file system may not be available. If
you configure a serial console being logged to another machine, you can more
reliably log crash information. Information on setting up a serial console
can be found in the FreeBSD Handbook, but the short of it is that you can put
a null modem cable to another box on the first serial port, and add:
console="comconsole"
to /boot/loader.conf. FreeBSD will normally reboot after a kernel panic if
debugging isn't enabled, in which case you should see the output. And if you
don't see output, it's probably a bad hardware interaction rather than a
kernel panic.
Robert N M Watson
The subject line pretty much says it all, I have a Dell Poweredge 650 box
running 6.1-PRERELEASE which was cvsup'd on April 5, 2006. The box has now
twice rebooted on its own for no aparant reason. Its a fresh install as
well, and appears to have been doing this ever since it was installled. The
first time the box was only up for approximently 2 days and rebooted, the 2nd
time it was up for approximently 10 days. I have all.log setup to log all
syslog messages however when the reboot occured there is no information in
the log which indicates anything going wrong... Here is a small cut from the
log at the time of the reboot. As can be seen, one minute there is an imapd
process, the next entry is the system restarting.
Apr 16 20:55:34 clearwater imapd: LOGOUT, user=XXXXXX,
ip=[::ffff:WWW.XXX.YYY.ZZZ], headers=0, body=0, time=0
Apr 16 20:59:36 clearwater syslogd: restart
Apr 16 20:59:36 clearwater syslogd: kernel boot file is /boot/kernel/kernel
Apr 16 20:59:36 clearwater kernel: Copyright (c) 1992-2006 The FreeBSD
Project.
Apr 16 20:59:36 clearwater kernel: Copyright (c) 1979, 1980, 1983, 1986,
1988, 1989, 1991, 1992, 1993, 1994
Apr 16 20:59:36 clearwater kernel: The Regents of the University of
California. All rights reserved.
Apr 16 20:59:36 clearwater kernel: FreeBSD 6.1-PRERELEASE #0: Wed Apr 5
20:46:37 EDT 2006
This machine previously had Linux installed on the box and did not display
the same problems, so I'm going on the assumption that its not a hardware
failure.
Aside from the reboots the box has been preforming extermely well.
If anybody can provide some insights or suggestions I'd greatly appreciate
it.
Thanks,
Matt Watson
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