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    SubjectRe: 2.6.9-rc2-mm2 fn_hash_insert oops
    On Thu, 23 Sep 2004, David S. Miller wrote:

    > On Thu, 23 Sep 2004 21:16:32 +1000
    > Herbert Xu <herbert@gondor.apana.org.au> wrote:
    >
    > > Lukas Hejtmanek <xhejtman@mail.muni.cz> wrote:
    > > >
    > > > However there is still the issue with endless loop in fn_hash_delete :(
    > >
    > > Same problem, same fix.
    >
    > Applied, thanks Herbert.

    FYI: it seems applying these two list_for_each fixes did also solve a
    related issue with different symptoms, which I was just seeing:

    Unable to handle kernel NULL pointer dereference at virtual address 00000028
    printing eip:
    c0267a35
    *pde = 00000000
    Oops: 0000 [#1]
    SMP
    Modules linked in: tulip soundcore parport_pc lp parport usblp ohci_hcd usbcore ne2k_pci 8390 crc32 rtc
    CPU: 0
    EIP: 0060:[<c0267a35>] Not tainted VLI
    EFLAGS: 00010297 (2.6.9-rc2-mm2)
    EIP is at fn_hash_insert+0x225/0x3e0
    eax: 00000000 ebx: c3580401 ecx: cadcc2ec edx: 00000000
    esi: c358bea0 edi: cad03314 ebp: cbd335cc esp: c358be30
    ds: 007b es: 007b ss: 0068
    Process route (pid: 2667, threadinfo=c358a000 task=c333b850)
    Stack: 00000000 cadcc2ec 00000000 0002a8c0 00000001 00000000 cbd53ca8 cad0330c
    ffffffef 00000000 c0141a72 00000000 c01422e7 cbc3e600 ffffff97 0000890b
    0000890b c358a000 c02654c7 c11ca9f4 c358bea0 c358bf10 c358be90 00000000
    Call Trace:
    [<c0141a72>] check_spinlock_acquired+0x12/0x20
    [<c01422e7>] check_slabp+0x17/0xe0
    [<c02654c7>] ip_rt_ioctl+0x137/0x170
    [<c0260e90>] inet_ioctl+0x40/0xa0
    [<c021ea30>] sock_ioctl+0x2c0/0x300
    [<c0168256>] sys_ioctl+0x266/0x2b0
    [<c0104317>] syscall_call+0x7/0xb
    Code: 75 14 8b 74 24 50 8a 46 06 38 47 0e 75 08 39 ea 0f 84 ae 01 00 00 89 cf 8b 07 89 c1 8d 74 26 00 3b 7f 04 74 0b 8b 57 08 8b 04 24 <39> 42 28 74 c8 81 e3 00 08 00 00 75 04 8b 7c 24 04 8b 54 24 58

    Thanks,
    Martin

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