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    Subjectairo.o + kfree_skb crash - 2.4.20
    Using the kernel PCMCIA and airo.o module. This occurred after 90 
    minutes of use, where the card was streaming under a megabit of traffic
    at all times. Lost control of everything but video and the USB bus.

    Cisco AiroNet 350 card. Several protocols in use at the time including
    HTTP/SSH/NFS.

    Linux Odyssey.brad-x.com 2.4.20 #10 Fri Feb 28 10:57:59 EST 2003 i686

    KSymoops:

    Feb 28 11:01:15 Odyssey kernel: cs: IO port probe 0x0a00-0x0aff: clean.
    Feb 28 11:01:15 Odyssey kernel: ac97_codec: AC97 Audio codec, id:
    \203\204v9(SigmaTel STAC9721/23)
    Feb 28 14:59:22 Odyssey kernel: cs: memory probe 0xa0000000-0xa0ffffff:
    clean.
    Feb 28 16:16:08 Odyssey kernel: Warning: kfree_skb passed an skb still
    on a list (from c01201ba).
    Feb 28 16:16:08 Odyssey kernel: kernel BUG at skbuff.c:315!
    Feb 28 16:16:08 Odyssey kernel: invalid operand: 0000
    Feb 28 16:16:08 Odyssey kernel: CPU: 0
    Feb 28 16:16:08 Odyssey kernel: EIP: 0010:[start_request+164/528]
    Tainted: P
    Feb 28 16:16:08 Odyssey kernel: EIP: 0010:[<c01dca24>] Tainted: P
    Using defaults from ksymoops -t elf32-i386 -a i386
    Feb 28 16:16:08 Odyssey kernel: EFLAGS: 00010286
    Feb 28 16:16:08 Odyssey kernel: eax: 00000045 ebx: c8c504a0 ecx:
    cec36000
    edx: cec37f7c
    Feb 28 16:16:08 Odyssey kernel: esi: c12f1f84 edi: 00000000 ebp:
    c12f0000
    esp: c12f1f6c
    Feb 28 16:16:08 Odyssey kernel: ds: 0018 es: 0018 ss: 0018
    Feb 28 16:16:08 Odyssey kernel: Process keventd (pid: 2, stackpage=c12f1000)
    Feb 28 16:16:08 Odyssey kernel: Stack: c0244620 c01201ba 00000000
    c12f1f84 c01201ba c8c504a0 ca2dc2e4 ca2dc2e4
    Feb 28 16:16:08 Odyssey kernel: 00000000 00000000 c0128df3
    c0256d70 c12f1fb0 00000000 c12f0560 c12f0570
    Feb 28 16:16:08 Odyssey kernel: c12f0000 00000001 00000000
    c0253fa0 00010000 00000000 00000700 c0128cc0
    Feb 28 16:16:08 Odyssey kernel: Call Trace:
    [sys_old_getrlimit+42/224] [sys_old_getrlimit+42/224]
    [vmalloc_area_pages+243/368] [vmfree_area_pages+320/384] [rest_init+0/40]
    Feb 28 16:16:08 Odyssey kernel: Call Trace: [<c01201ba>] [<c01201ba>]
    [<c0128df3>] [<c0128cc0>] [<c0105000>]
    Feb 28 16:16:08 Odyssey kernel: [<c01057ce>] [<c0128cc0>]
    Feb 28 16:16:08 Odyssey kernel: Code: 0f 0b 3b 01 b1 38 24 c0 8b 5c 24
    14 e9 0e
    ff ff ff 8d 74 26


    >>EIP; c01dca24 <__kfree_skb+f4/110> <=====

    >>ebx; c8c504a0 <___strtok+897dc6c/1062382c>
    >>ecx; cec36000 <___strtok+e9637cc/1062382c>
    >>edx; cec37f7c <___strtok+e965748/1062382c>
    >>esi; c12f1f84 <___strtok+101f750/1062382c>
    >>ebp; c12f0000 <___strtok+101d7cc/1062382c>
    >>esp; c12f1f6c <___strtok+101f738/1062382c>

    Trace; c01201ba <__run_task_queue+5a/140>
    Trace; c01201ba <__run_task_queue+5a/140>
    Trace; c0128df3 <schedule_task+1a3/230>
    Trace; c0128cc0 <schedule_task+70/230>
    Trace; c0105000 <empty_zero_page+1000/1380>
    Trace; c01057ce <kernel_thread+2e/240>
    Trace; c0128cc0 <schedule_task+70/230>

    Code; c01dca24 <__kfree_skb+f4/110>
    00000000 <_EIP>:
    Code; c01dca24 <__kfree_skb+f4/110> <=====
    0: 0f 0b ud2a <=====
    Code; c01dca26 <__kfree_skb+f6/110>
    2: 3b 01 cmp (%ecx),%eax
    Code; c01dca28 <__kfree_skb+f8/110>
    4: b1 38 mov $0x38,%cl
    Code; c01dca2a <__kfree_skb+fa/110>
    6: 24 c0 and $0xc0,%al
    Code; c01dca2c <__kfree_skb+fc/110>
    8: 8b 5c 24 14 mov 0x14(%esp,1),%ebx
    Code; c01dca30 <__kfree_skb+100/110>
    c: e9 0e ff ff ff jmp ffffff1f <_EIP+0xffffff1f>
    Code; c01dca35 <__kfree_skb+105/110>
    11: 8d 74 26 00 lea 0x0(%esi,1),%esi

    --
    // -- http://www.BRAD-X.com/ -- //



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