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    SubjectRe: 2.6.15-mm3
    "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
    >
    > Hi,
    >
    > On Wednesday, 11 January 2006 13:21, Andrew Morton wrote:
    > >
    > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.15/2.6.15-mm3/
    >
    > I got that on system shutdown (x86-64, 1 CPU):

    Thanks. ipv6 died. I think shemminger had a recent problem with ipv6 too?

    I don't think there were any core networking changes in -mm3 which weren't
    in linus-at-that-time.

    > Unable to handle kernel NULL pointer dereference at 00000000000001b4 RIP:
    > <ffffffff881cba51>{:ipv6:ip6_xmit+593}
    > PGD 2441f067 PUD 231b1067 PMD 0
    > Oops: 0000 [1] PREEMPT
    > CPU 0
    > Modules linked in: ipt_LOG ipt_limit ipt_pkttype ipt_state ipt_REJECT iptable_mangle iptable_nat iptable_filter ip6table_mangle ip_nat_ftp
    > ip_nat ip_conntrack_ftp ip_conntrack ip_tables ip6table_filter ip6_tables ipv6 usbserial thermal processor fan button battery ac snd_pcm_os
    > s snd_mixer_oss snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd soundcore snd_page_alloc af_packet pcmcia firmware_class yen
    > ta_socket rsrc_nonstatic pcmcia_core usbhid ehci_hcd ohci_hcd sk98lin evdev joydev sg st sr_mod sd_mod scsi_mod ide_cd cdrom dm_mod parport
    > _pc lp parport
    > Pid: 18912, comm: kcminit Not tainted 2.6.15-mm3 #25
    > RIP: 0010:[<ffffffff881cba51>] <ffffffff881cba51>{:ipv6:ip6_xmit+593}
    > RSP: 0018:ffffffff80489cc8 EFLAGS: 00010246
    > RAX: ffff810029a47658 RBX: ffff810029a47658 RCX: 0000000000000000
    > RDX: 0000000000000000 RSI: ffffffff80489d50 RDI: ffff810001f33e00
    > RBP: ffffffff80489d28 R08: 0000000000000000 R09: 0000000000000080
    > R10: ffff8100201a9f5c R11: ffffffff80489d40 R12: ffff810001f33dd8
    > R13: 0000000000000000 R14: ffffffff80489d38 R15: 0000000000000014
    > FS: 00002aaaae769de0(0000) GS:ffffffff80515000(0000) knlGS:000000005617d560
    > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    > CR2: 00000000000001b4 CR3: 00000000249eb000 CR4: 00000000000006e0
    > Process kcminit (pid: 18912, threadinfo ffff8100233ca000, task ffff810028afa090)
    > Stack: ffff810029a476a0 ffff8100201a9e60 0000000000000000 00000000881cb324
    > ffff810029a47658 ffffffff80489d40 0600000180489d48 ffff810029a476a0
    > ffffffff80489d40 ffff810001f33e00
    > Call Trace: <IRQ> <ffffffff881e9aad>{:ipv6:tcp_v6_send_reset+525}
    > <ffffffff80361dd8>{inet6_lookup_listener+264} <ffffffff881ec8e2>{:ipv6:tcp_v6_rcv+1842}
    > <ffffffff881ccd48>{:ipv6:ip6_input+568} <ffffffff881cd14f>{:ipv6:ipv6_rcv+527}
    > <ffffffff8030283b>{netif_receive_skb+635} <ffffffff80302939>{process_backlog+153}
    > <ffffffff803014c3>{net_rx_action+179} <ffffffff80135f10>{__do_softirq+80}
    > <ffffffff8010fd12>{call_softirq+30} <EOI> <ffffffff801116e5>{do_softirq+53}
    > <ffffffff801361b2>{local_bh_enable+114} <ffffffff80302fc7>{dev_queue_xmit+583}
    > <ffffffff8030971f>{neigh_resolve_output+639} <ffffffff881cbf82>{:ipv6:ip6_output2+562}
    > <ffffffff881c9d40>{:ipv6:dst_output+0} <ffffffff881cc7cd>{:ipv6:ip6_output+2045}
    > <ffffffff881cbaeb>{:ipv6:ip6_xmit+747} <ffffffff881f0f21>{:ipv6:inet6_csk_xmit+769}
    > <ffffffff803357ff>{tcp_transmit_skb+1743} <ffffffff802fe4ff>{__alloc_skb+127}
    > <ffffffff80335e43>{tcp_connect+723} <ffffffff881eba49>{:ipv6:tcp_v6_connect+1529}
    > <ffffffff80148d33>{__mutex_init+83} <ffffffff803652d8>{_spin_unlock_bh+24}
    > <ffffffff8034871f>{inet_stream_connect+207} <ffffffff803652d8>{_spin_unlock_bh+24}
    > <ffffffff802fa369>{lock_sock+201} <ffffffff803652d8>{_spin_unlock_bh+24}
    > <ffffffff80180b0a>{fget+170} <ffffffff802f92ac>{sys_connect+140}
    > <ffffffff802f8022>{sys_setsockopt+162} <ffffffff8010ec9e>{system_call+126}
    >
    >
    > Code: 41 8b 95 b4 01 00 00 89 90 98 00 00 00 48 8b 45 a8 8b 58 40
    > RIP <ffffffff881cba51>{:ipv6:ip6_xmit+593} RSP <ffffffff80489cc8>
    > CR2: 00000000000001b4
    > <0>Kernel panic - not syncing: Aiee, killing interrupt handler!
    > <4>atkbd.c: Spurious ACK on isa0060/serio0. Some program, like XFree86, might be trying access hardware directly.
    > atkbd.c: Spurious ACK on isa0060/serio0. Some program, like XFree86, might be trying access hardware directly.
    > atkbd.c: Spurious ACK on isa0060/serio0. Some program, like XFree86, might be trying access hardware directly.
    > atkbd.c: Spurious ACK on isa0060/serio0. Some program, like XFree86, might be trying access hardware directly.
    >
    > and so on forever.
    >
    > Greetings,
    > Rafael
    -
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