Hey all, Just wanting to add my 2 cents here. I have a X/OS 4 Dev box running on a P3 550 and 512MB. Started getting this error when I upgraded the kernel to 2.6.9-42.0.10.EL.XOS. added the nmi_watchdog=0 to the grub boot line and all is fine now. A strange side effect seems to be the system load has dropped by 0.5 - 1.0 since the change. may only be noticable on my box because of the older arch but still kinda nice to know. chuck _____________________________________________________________________ Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! http://smartsurfer.web.de/?mc=100071&distributionid=000000000066