On Sun, Nov 13, 2005 at 11:11:49PM +0100, Timm Florian Gloger wrote:

> is there any other chance to get some information of the time shortly 
> before the freeze out of the system other than the standard logfies?

Syslog is programmed to fsync(2) after writing messages from the kernel,
unless you put a '-' in front of the destination filename. So if you
don't see anything in the logfiles, that probably because there wasn't
anything.

However, it is possible to divert the syslog output to another machine
(that's also running syslogd). See the syslog.conf manpage.

Have you enabled crashdumps? If there is a kernel panic instead of a
hard hang, you might get some info from a crashdump.

If you feel up to it, read chapter 10 (kernel debugging) in the FreeBSD
Developers' Handbook. It is possible to debug a system remotely via a
serial line.

Roland
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