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    Subject[bug] test13-pre4 nfs/ip_defrag crash (smp)

    I am having some reproducible crashes with 2.4.0-test13-pre4, whenever I
    do some 'heavy' nfs-ing.. decoded oops:

    ksymoops 2.3.4 on i686 2.4.0-test13-pre4. Options used
    -V (default)
    -k /proc/ksyms (default)
    -l /proc/modules (default)
    -o /lib/modules/2.4.0-test13-pre4/ (default)
    -m /boot/ (default)

    Warning: You did not tell me where to find symbol information. I will
    assume that the log matches the kernel and modules that are running
    right now and I'll use the default options above for symbol resolution.
    If the current kernel and/or modules do not match the log, you can get
    more accurate output by telling me the kernel version and where to find
    map, modules, ksyms etc. ksymoops -h explains the options.

    Unable to handle kernel paging request at virtual address eabc089f
    *pde = 00000000
    Oops: 0000
    CPU: 1
    EIP: 0010:[<c01e263e>]
    Using defaults from ksymoops -t elf32-i386 -a i386
    EFLAGS: 00010286
    eax: eabc0863 ebx: c40c53e0 ecx: c54a1824 edx: c28079a0
    esi: 00000b90 edi: c5a0df40 ebp: 000005c8 esp: ce699c4c
    ds: 0018 es: 0018 ss: 0018
    Process rpciod (pid: 2358, stackpage=ce699000)
    Stack: c28079a0 00000000 00000a2b 0700000a 00000014 00000000 c01e2a2d c28079a0
    c5a0df40 c02ce7ac ce698000 c36f9c40 c5a0df40 eabc0863 c54a1810 d1147a82
    c5a0df40 ce699d48 c02f6878 c01e549c ce699d58 d11471c9 c5a0df40 ce699d48
    Call Trace: [<c01e2a2d>] [<eabc0863>] [<d1147a82>] [<c01e549c>] [<d11471c9>] [<c01e549c>] [<c012f810>]
    [<d114640a>] [<c01e549c>] [<c01dc838>] [<c01e549c>] [<c01e549c>] [<c01dcab7>] [<c01e549c>] [<d114913c>]
    [<c01e4a3b>] [<c01e549c>] [<c01fa5f8>] [<c01d71d5>] [<c01e4b66>] [<c01fa5f8>] [<ea00000a>] [<c01d50ae>]
    [<c01faa8e>] [<c01fa5f8>] [<ea00000a>] [<ea00000a>] [<ea00000a>] [<c0200236>] [<c01d21e5>] [<d110b84a>]
    [<c01e1cd6>] [<c01e1e0c>] [<d11677d0>] [<d1170ee8>] [<d110e7e9>] [<d110b6f5>] [<d11099f3>] [<d110cf3b>]
    [<d110d264>] [<d110d339>] [<d110dc2b>] [<d1116cc4>] [<d1116cc4>] [<d1116cbc>] [<d1116cbc>] [<c0107480>]
    [<d1116cc4>] [<d1116cd0>]
    Code: 8b 40 3c 8b 4c 24 1c 89 41 3c c7 47 18 00 00 00 00 8b 54 24

    >>EIP; c01e263e <ip_frag_queue+20a/260> <=====
    Trace; c01e2a2d <ip_defrag+dd/180>
    Trace; eabc0863 <END_OF_CODE+19a50de0/????>
    Trace; d1147a82 <[8139too]rtl8139_set_rx_mode+56/270>
    Trace; c01e549c <output_maybe_reroute+0/14>
    Trace; d11471c9 <[8139too]rtl8139_rx_interrupt+151/24c>
    Trace; c01e549c <output_maybe_reroute+0/14>
    Trace; c012f810 <__alloc_pages+12c/2d4>
    Trace; d114640a <[8139too]rtl8139_hw_start+226/574>
    Trace; c01e549c <output_maybe_reroute+0/14>
    Trace; c01dc838 <nf_iterate+34/88>
    Trace; c01e549c <output_maybe_reroute+0/14>
    Trace; c01e549c <output_maybe_reroute+0/14>
    Trace; c01dcab7 <nf_hook_slow+3f/b8>
    Trace; c01e549c <output_maybe_reroute+0/14>
    Trace; d114913c <[8139too].data.end+51d/43e1>
    Trace; c01e4a3b <ip_build_xmit_slow+3cf/4ac>
    Trace; c01e549c <output_maybe_reroute+0/14>
    Trace; c01fa5f8 <udp_getfrag+0/c4>
    Trace; c01d71d5 <netif_rx+89/f0>
    Trace; c01e4b66 <ip_build_xmit+4e/334>
    Trace; c01fa5f8 <udp_getfrag+0/c4>
    Trace; ea00000a <END_OF_CODE+18e90587/????>
    Trace; c01d50ae <__kfree_skb+132/138>
    Trace; c01faa8e <udp_sendmsg+38a/414>
    Trace; c01fa5f8 <udp_getfrag+0/c4>
    Trace; ea00000a <END_OF_CODE+18e90587/????>
    Trace; ea00000a <END_OF_CODE+18e90587/????>
    Trace; ea00000a <END_OF_CODE+18e90587/????>
    Trace; c0200236 <inet_sendmsg+3e/44>
    Trace; c01d21e5 <sock_sendmsg+69/88>
    Trace; d110b84a <[uhci]uhci_show_queues+13e/228>
    Trace; c01e1cd6 <ip_rcv+33e/388>
    Trace; c01e1e0c <ip_rcv_finish+0/214>
    Trace; d11677d0 <[ipt_LOG].data.end+3bd9/b469>
    Trace; d1170ee8 <.bss.end+1465/????>
    Trace; d110e7e9 <[uhci]alloc_uhci+2c1/310>
    Trace; d110b6f5 <[uhci]uhci_is_skeleton_qh+19/30>
    Trace; d11099f3 <[usbcore]usbdevfs_root_inode_operations+13/40>
    Trace; d110cf3b <[uhci]uhci_submit_bulk+1b3/238>
    Trace; d110d264 <[uhci]uhci_result_isochronous+4/a4>
    Trace; d110d339 <[uhci]uhci_find_urb_ep+35/d0>
    Trace; d110dc2b <[uhci]rh_submit_urb+7b/670>
    Trace; d1116cc4 <[sunrpc]xprt_reserve_status+74/7c>
    Trace; d1116cc4 <[sunrpc]xprt_reserve_status+74/7c>
    Trace; d1116cbc <[sunrpc]xprt_reserve_status+6c/7c>
    Trace; d1116cbc <[sunrpc]xprt_reserve_status+6c/7c>
    Trace; c0107480 <kernel_thread+28/38>
    Trace; d1116cc4 <[sunrpc]xprt_reserve_status+74/7c>
    Trace; d1116cd0 <[sunrpc]xprt_request_init+4/90>
    Code; c01e263e <ip_frag_queue+20a/260>
    00000000 <_EIP>:
    Code; c01e263e <ip_frag_queue+20a/260> <=====
    0: 8b 40 3c mov 0x3c(%eax),%eax <=====
    Code; c01e2641 <ip_frag_queue+20d/260>
    3: 8b 4c 24 1c mov 0x1c(%esp,1),%ecx
    Code; c01e2645 <ip_frag_queue+211/260>
    7: 89 41 3c mov %eax,0x3c(%ecx)
    Code; c01e2648 <ip_frag_queue+214/260>
    a: c7 47 18 00 00 00 00 movl $0x0,0x18(%edi)
    Code; c01e264f <ip_frag_queue+21b/260>
    11: 8b 54 24 00 mov 0x0(%esp,1),%edx

    Kernel panic: Aiee, killing interrupt handler!

    Jasper Spaans <>
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