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SubjectRe: Oops 0000 and 0002 on dual PIII 750 2.4.2 SMP platform

On Thu, 15 Mar 2001, Shane Y. Gibson wrote:

>
> All,
>
> I just compiled 2.4.2 and installed it on a otherwise stock
> Redhat 7.0 platform. The system is a SuperMicro PIIISME,
> running dual PIII 750s, with 256 cache. It appears that about
> every 10 to 18 hours, the system is panicing, and freezing
> up. The first time, I got an oops 0000, the second time an
> oops 0002. Both crashes have occured only when the systems is
> at 100% cpu utlization; processing several hundred MRTG
> indexmaker operations.
>
> I ran ksymoops on both outputs, and the results are pasted
> below. Note, I compiled the kernel without loadable module
> support. Please let me know if there is anything else I can
> do/provide to help. Unfortunately, the second didn't output
> enough for ksymoops to extract anything usefull.
>
> v/r
> Shane
>
> ------------------- first ksymoops output -------------------
>
> ksymoops 2.3.4 on i686 2.4.2. Options used
> -V (default)
> -K (specified)
> -l /proc/modules (default)
> -o /lib/modules/2.4.2/ (default)
> -m /boot/System.map (specified)
>
> No modules in ksyms, skipping objects
> No ksyms, skipping lsmod
> Mar 14 22:05:12 walker kernel: invalid operand: 0000
> Mar 14 22:05:12 walker kernel: CPU: 0

Hi Shane,

Did'nt you get a message similar to

"kernel BUG at page_alloc.c line xxx!"

Before the first oops ?

It looks like this oops was triggered by a "BUG()" call, and in this case
this message should be printed before the oops.

Thanks

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