I'll let others work with you on the kernel version ....
(which we'll assume is OK and a true CentOS install).
I would put up a console on the local KVM port to
capture the last set of messages before the system
hangs -- which might help isolate the problem.
>From what we've seen so far, it sounds like you might
have a hardware problem. The things that I would
check are:
- power supply (aka losing voltage)
- all the system fans (aka thermal shutdown)
- memory (run memtest86+ overnight [or longer])
If not that (and still a hardware problem), it is a lot more
subtle and will be "fun" to diagnose ....
Hope this helps (a little) ...
-rak-
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