:This is new. The only change I made was I replaced one of my hard drives :with a bigger one. : :The machine is a dual Xeon. I'm not using ACPI. I suppose I'll try the :walltimer. : :--Peter Try specifying a single NTP server. It could be that one of the servers in the pool is broken and causing dntpd to flip back and forth. -Matt Matthew Dillon <dillon at backplane.com>