> We running htis kernel: kernel-smp-2.6.9-11.EL.i686.rpm. I'd suggest updating to CentOS 4.2 and the newest kernel-smp-2.6.9-22.0.2.EL.i686 and verifying whether firmware/BIOS is up2date. Do the same machines always crash? Common hardware denominator? Cheers, MaZe.