On Sun, 2003-07-06 at 07:46, Peter Møller Neergaard wrote:
> I have now been running Mandrake 9.1 with the 2.4.21-0.18mdk kernel
> for about 3 weeks.  At this point it is starting to be annoying that
> this kernel locks up more often than even Micro$oft Windoze.
> The lock up will happen anything from 5 minutes to 10 hours of boot.
> It must be the kernel locking up since there is no response to the
> SysRq+Alt+... keys.
> This happens routinely, but irregular, so I have no idea how to track
> it.  I tried maximizing the information to syslog by choosing
>       *.*     /var/log/syslog
> in /etc/syslog.conf.  A typical entry looks like this:
>     Jul  6 14:42:18 pan spamd[5914]: identified spam (9.3/5.0) for turtle:501 in 0.4 
> seconds, 3321 bytes. 
>     Jul  6 14:45:00 pan CROND[5928]: (turtle) CMD (/usr/sbin/anacron -t 
> $HOME/bin/shell/cron/anacrontab) 
>     Jul  6 14:45:00 pan anacron[5929]: Anacron 2.3 started on 2003-07-06
>     Jul  6 14:45:00 pan anacron[5929]: Normal exit (0 jobs run)
>     Jul  6 14:47:12 pan syslogd 1.4.1: restart.
>     Jul  6 14:47:12 pan /etc/hotplug/net.agent: invoke ifplugd eth1
>     Jul  6 14:47:12 pan ifplugd[1526]: Using interface eth1/00:02:2D:40:D0:92
>     Jul  6 14:47:12 pan ifplugd[1526]: ETHTOOL_GLINK failed: Operation not supported
> which means that I have booted around 14:46:45.  Thus there does not
> appear to be any programs running just before the lock up.
> So at this point I would like suggestions:
> - how can I get more debug information from the kernel
> - should I change to a different kernel, e.g., vanilla 2.4.21.  Or
>   should I consider one of the patched ones.
> Thanks
> /Peter

Couple of questions to get the ball rolling.  One Have you run memtest
on your RAM?  I've had problems like this before and what the cause was,
was a bad ramchip but high enough up that normal operation didn't see it
but when it came to a higher ram usage (like say logrotate) it would
lock the box tighter than a republicans hand around someone else's
penny.  This would be my first suspect.  Second.  Did it do this under
the 13mdk version of the kernel (the one that comes with 9.1) Third what
version of the kernel do you use.  SMP Enterprise etc. 


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