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    SubjectRe: problem rmmod'ing module
    Date
    On Wed, 18 Feb 2004 12:58:40 -0600, 
    Matthew Rench <lists@pelennor.net> wrote:
    >Feb 17 13:56:35 aragorn kernel: <1>Unable to handle kernel NULL pointer derefer
    >ence at virtual address 00000000
    >Feb 17 13:56:35 aragorn kernel: c0118b7e
    >Feb 17 13:56:35 aragorn kernel: *pde = 00000000
    >Feb 17 13:56:35 aragorn kernel: Oops: 0000
    >Feb 17 13:56:35 aragorn kernel: CPU: 0
    >Feb 17 13:56:35 aragorn kernel: EIP: 0010:[qm_symbols+194/500] Not tainted
    >Feb 17 13:56:35 aragorn kernel: EFLAGS: 00010246
    >Feb 17 13:56:35 aragorn kernel: eax: 00000000 ebx: 00000000 ecx: ffffffff
    >edx: 00000000
    >Feb 17 13:56:35 aragorn kernel: esi: 00000048 edi: 00000000 ebp: d881bc24
    >esp: cb3dbf7c

    That corresponds to kernel/module.c::qm_symbols, line 837:838

    for (; i < mod->nsyms ; ++i, ++s, vals += 2) {
    len = strlen(s->name)+1;

    The symbol table for the module has been corrupted, one of the string
    pointers is NULL.

    >By the way, I don't suppose there's any way to clean this up without
    >rebooting, is there?

    Afraid not.

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