try discounting memory errors using memtest. and harddisk errors using fsck.

If it is RHEL 4, i doubt if it would have gotten past RH's quity assurance
process. So chances are it's not the new kernel. But if it is, just give it
a few days, they should be able to identify and patch the errors.


On 8/8/07, Ludwig Isaac Lim <[EMAIL PROTECTED]> wrote:
>
> Hi:
>
>    We have a RHEL 4 machine which is used as a software
> testing machine.  Today, we did some stress test on a
> software that we are develooping. The machine seems to
> crash repeatedly during the process of testing.
>
>     During a crash, I was able to copy the content of the
> screen. The following were displayed on the screen.
>
> eax : 00067a92    ebx:c3fd000 (plus other register values)
>
> process swapper (pid 0, threadinfo=c03ce00 task=c0322980)
>
> stack : 00002456 c03c3fcc  (and presumably some address)
>         c0126968
>
> Call Trace
>    [<c01269b8>] __do_softirq + 0x4c/0xb1
>    [<........>] do_softirq
> ------------------------------------------
> ------------------------------------------
>    [<........>] smp_apic_times_interrupt
>    [<........>] apic_times_interrupt
>    [<........>] mwait_idle
>    [<........>] cpu_idle
>    [<........>] start_kernel
>
> code :  <hexadecimals...>
>
>      It is a kernel panic/crash, right? I was wondering if
> the crash was related to the program (it didn't core dump
> even after setting ulimit -c <large number>)
>
>      Is it possible for a software to crash a kernel? If
> there's a bug, the program should have produce a
> segmentation fault and exit without affecting the kernel.
>
>      Is there a way of knowing if the kernel panic is
> caused by a flaky hardware or is caused by a buggy
> software?
>
>      I'm trying to make sure it is not the kernel per se
> that causes the crash by downloading the latest kernel.
>
>      Any ideas?  Thanks in advance.
>
> ludwig lim
>
>
>
>
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-- 
Regards,
Danny Ching
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