> There are no error messages in any logs. For example, in > /var/log/messages, everything looks normal until you see the kernel > restart messages after the reboot, although there seems to be a long gap > in time between the last entry and the time when the systems actually > stopped and was restarted. Whatever is happening, the system doesn't > seem to be in a state where the problem can be recorded. > > By the way, I forgot to list my kernel version. uname -rmi gives: > 2.6.18-194.32.1.el5 x86_64 x86_64 Can you install RHEL and see if it goes away? Otherwise, open a ticket with RedHat... Rainer