You might want to try these memory testing tools:
http://people.redhat.com/dledford/memtest.html
http://www.memtest.org/
Romeo
On 6/6/07, mark <m.roth2006@xxxxxxx> wrote:
Hi, there,
Shane Presley wrote:
>
> I had a RHEL4 system crash a day or two ago. First RedHat system that
> I've ever seen completely hung, requiring me to hard power cycle it.
> Felt like my Windows days. But then it happened yesterday as well.
> So something is wrong with this server.
>
> It's fully patched (up2date), and is a Dell 2850. I captured the
> /var/log/messages right before it panicked and here's the logs:
>
> Jun 4 21:26:42 myhost kernel: Unable to handle kernel paging request
> at virtual address 0f3514db
<snip>
> recently. Not sure where else to look. Could this be a hardware
> (memory?) problem?
I'm not sure if it's real memory, or a disk error, but I'd lay odds it's
one of
the two. The "kernel paging request" seems to indicate that.
First, remake swap, and force it to check for bad blocks. If that doesn't
find
anything, I'd think RAM.
mark
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