Hi all We are running the "Red Hat Enterprise Linux ES release 4 (Nahant Update 1)" kernel 2.6.9-11.ELsmp in the machine 2 x AMD Dual Core AMD Opteron(tm) Processor 275, 8G memory, K8N-DRE motherboard This machine was running 7 days. but those 2 days, the server has kernel panic in twice and last top command was showing 56.93 CPU1 took about 79.8%, other 3 CPUs were almost 0% have you had any experience about it? and how can we find out the problem coming from? Thank you for your help -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list