running Kernel 2.6.9.89 just updated from RHN using up2date...

This server runs for a random 5-30 mins then throws the kernel panic.

Any ideas, things I can try...

I tried disabling nmi_watchdog by adding it to kernel boot params..like this;
title Red Hat Enterprise Linux WS (2.6.9-89.0.19.ELlargesmp)
root (hd0,0)
kernel /vmlinuz-2.6.9-89.0.19.ELlargesmp ro nmi_watchdog=0 root=LABEL=/1

But NMI is still showing interupts, I thought these shud show 0 now
$ cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 98347 105825 105849 105893 IO-APIC-edge timer
1: 0 0 0 0 IO-APIC-edge i8042
8: 0 0 0 0 IO-APIC-edge rtc
9: 0 0 0 0 IO-APIC-level acpi
12: 0 0 0 0 IO-APIC-edge i8042
14: 0 0 0 0 IO-APIC-edge libata
15: 0 0 0 0 IO-APIC-edge libata
50: 18 0 0 0 PCI-MSI eth1
169: 2051 21046 30281 7237 IO-APIC-level ioc0
177: 11 12 20 16 IO-APIC-level uhci_hcd
185: 0 0 0 0 IO-APIC-level uhci_hcd
193: 0 0 0 0 IO-APIC-level uhci_hcd
201: 2 4 4 4 IO-APIC-level ehci_hcd
233: 13866 0 0 0 PCI-MSI eth0
NMI: 428 586 348 251
LOC: 408071 410761 408061 410761
ERR: 0
MIS: 0

I disabled reboot on NMI from the BIOS, still kernel panic and box went south...
I am suspecting hardware