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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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