> Replying to my own post as a follow-up. I just checked > another machine that > I am burning in with CentOS 5.2, and it has the same > problem: load average > ~0.4 when idle. Both of these machines have Supermicro > X7DBN motherboards, > but one is running a single quad-core CPU (Intel Xeon) and > the other is > running two dual-core CPUs (Intel Xeon). Anyone else seeing > anything like > this? Do you have hyper-threading turned on in the bios? What shows in cat /proc/cpuinfo do you have 2 virtual CPU's per core? I would be bet that performance improves by turning hyper-threading off. -- Mark