From: "Denys Fedoryshchenko" <denys@visp.net.lb>
Date: Thu, 27 Mar 2008 08:35:06 +0200
quoted text > It seems i am having very bad luck with 2.6.27. As Linus told, it have to be
> released soon, but it is crashing like hell on high network load.
That's amazing, you've taken a trip into the future and are running
2.6.27 already, please let me borrow your time machine :-)
More seriously, there is obviously something very unique to your
setup or else everyone would be reporting this crash, and we have
to find out what that might be.
There seems to be bunch of netfilter stuff in your traces, but
the top of the trace is somewhere totally unrelated. This is
a common reoccurance in your crash traces, making them less
useful than they could be.
I know you asked before what can be done to improve the traces,
but I'm not an x86 expert so I have no idea how to help you
in that area.
Patrick, could you see if you can make any sense of his log?
I see conttrack a lot in the backtraces.
Thanks.
quoted text > Here is a message i got over syslog on last crash (it was 2.6.25-rc6-git6),
> available also at
http://www.nuclearcat.com/files/crash_2.6.25.txt
>
> Mar 26 02:27:14 ROUTER [ 4698.694693] BUG: NMI Watchdog detected LOCKUP
> Mar 26 02:27:14 ROUTER on CPU1, ip c02ad109, registers:
> Mar 26 02:27:14 ROUTER [ 4698.694693] Process snmpd (pid: 2327, ti=c092e000
> task=f7459080 task.ti=f70b7000)
> Mar 26 02:27:14 ROUTER
> Mar 26 02:27:14 ROUTER [ 4698.694693] Stack:
> Mar 26 02:27:14 ROUTER c092eb14
> Mar 26 02:27:14 ROUTER c011991e
> Mar 26 02:27:14 ROUTER f750d600
> Mar 26 02:27:14 ROUTER f750d600
> Mar 26 02:27:14 ROUTER c0378058
> Mar 26 02:27:14 ROUTER 00000001
> Mar 26 02:27:14 ROUTER c092eb34
> Mar 26 02:27:14 ROUTER c0119b3b
> Mar 26 02:27:14 ROUTER
> Mar 26 02:27:14 ROUTER [ 4698.694693]
> Mar 26 02:27:14 ROUTER 00000000
> Mar 26 02:27:14 ROUTER 00000001
> Mar 26 02:27:14 ROUTER 00000082
> Mar 26 02:27:14 ROUTER f708af88
> Mar 26 02:27:14 ROUTER c0378058
> Mar 26 02:27:14 ROUTER 00000001
> Mar 26 02:27:14 ROUTER c092eb3c
> Mar 26 02:27:14 ROUTER c0119bfe
> Mar 26 02:27:14 ROUTER
> Mar 26 02:27:14 ROUTER [ 4698.694693]
> Mar 26 02:27:14 ROUTER c092eb50
> Mar 26 02:27:14 ROUTER c012f19c
> Mar 26 02:27:14 ROUTER 00000000
> Mar 26 02:27:14 ROUTER f708af88
> Mar 26 02:27:14 ROUTER c0378058
> Mar 26 02:27:14 ROUTER c092eb74
> Mar 26 02:27:14 ROUTER c011652a
> Mar 26 02:27:14 ROUTER 00000000
> Mar 26 02:27:14 ROUTER
> Mar 26 02:27:14 ROUTER [ 4698.694693] Call Trace:
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c011991e>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER task_rq_lock+0x31/0x58
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0119b3b>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER try_to_wake_up+0x19/0xd1
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0119bfe>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER default_wake_function+0xb/0xd
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c012f19c>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER autoremove_wake_function+0xf/0x33
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c011652a>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER __wake_up_common+0x2f/0x5a
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c01189b8>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER __wake_up+0x28/0x3b
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c01201a3>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER wake_up_klogd+0x2e/0x31
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c012033d>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER release_console_sem+0x197/0x19f
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0120747>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER vprintk+0x295/0x2e5
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<f899634c>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER death_by_timeout+0x8b/0xa3 [nf_conntrack]
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<f8999d08>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER tcp_packet+0x931/0x9e5 [nf_conntrack]
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c01207ac>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER printk+0x15/0x17
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c011fb65>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER warn_on_slowpath+0x2a/0x51
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c011764a>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER __update_rq_clock+0x1c/0x126
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0116ab3>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER update_curr+0x48/0x64
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<f89961ed>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER nf_ct_invert_tuple+0x63/0x6f [nf_conntrack]
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<f8996cca>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER nf_conntrack_tuple_taken+0xf8/0x100 [nf_conntrack]
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<f899850c>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER __nf_ct_helper_find+0x2c/0x90 [nf_conntrack]
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<f8996b95>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER nf_conntrack_alter_reply+0x4a/0x87 [nf_conntrack]
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<f8974976>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER nf_nat_setup_info+0x3cc/0x55a [nf_nat]
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c011701c>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER dequeue_rt_entity+0x88/0x171
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0117127>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER dequeue_rt_stack+0x22/0x27
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0117425>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER enqueue_task_rt+0x19/0x2c
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c011617f>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER enqueue_task+0xd/0x18
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c01161c0>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER activate_task+0x1e/0x2b
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0119bb1>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER try_to_wake_up+0x8f/0xd1
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0119c1b>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER wake_up_process+0xf/0x11
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c013dfa1>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER softlockup_tick+0x9d/0x10b
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0126f5c>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER run_local_timers+0x17/0x19
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c01272fa>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER update_process_times+0x24/0x49
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0135f4c>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER tick_periodic+0x62/0x6e
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0135f71>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER tick_handle_periodic+0x19/0x68
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c010e87b>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER smp_apic_timer_interrupt+0x6c/0x81
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0104344>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER apic_timer_interrupt+0x28/0x30
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c02ad202>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER _spin_lock_bh+0x20/0x22
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c02751fa>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER rt_garbage_collect+0x132/0x27a
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0262d95>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER dst_alloc+0x19/0x63
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0276eb1>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER ip_route_input+0x6b9/0xbd9
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0278898>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER ip_rcv_finish+0x2c/0x29a
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0278ef8>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER ip_rcv+0x202/0x22c
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c025ee4e>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER netif_receive_skb+0x33e/0x3a9
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c02612c2>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER process_backlog+0x62/0xb5
> Mar 26 02:27:14 ROUTER [ 4698.694693] [<c0260d27>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER net_rx_action+0x8f/0x191
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c01240a7>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER __do_softirq+0x64/0xcd
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0105f0a>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER do_softirq+0x55/0x89
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0123f88>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER local_bh_enable+0x61/0x6d
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0257689>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER lock_sock_nested+0x83/0x8b
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0292e58>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER udp_destroy_sock+0xd/0x20
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0257b9e>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER sk_common_release+0x15/0x60
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c02924a4>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER udp_lib_close+0x8/0xa
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0299006>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER inet_release+0x42/0x48
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c025625b>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER sock_release+0x14/0x60
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c02565d9>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER sock_close+0x29/0x30
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c015a6a2>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER __fput+0x93/0x135
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c015a8e2>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER fput+0x17/0x19
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c01583dc>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER filp_close+0x47/0x51
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0159414>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER sys_close+0x68/0x9d
> Mar 26 02:27:14 ROUTER [ 4698.694694] [<c0103876>]
> Mar 26 02:27:14 ROUTER ?
> Mar 26 02:27:14 ROUTER sysenter_past_esp+0x5f/0x85
> Mar 26 02:27:14 ROUTER [ 4698.694694] =======================
> Mar 26 02:27:14 ROUTER [ 4698.694694] Code:
> Mar 26 02:27:14 ROUTER 94
> Mar 26 02:27:14 ROUTER c0
> Mar 26 02:27:14 ROUTER 84
> Mar 26 02:27:14 ROUTER c0
> Mar 26 02:27:14 ROUTER b9
> Mar 26 02:27:14 ROUTER 01
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 75
> Mar 26 02:27:14 ROUTER 09
> Mar 26 02:27:14 ROUTER f0
> Mar 26 02:27:14 ROUTER 81
> Mar 26 02:27:14 ROUTER 02
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 01
> Mar 26 02:27:14 ROUTER 30
> Mar 26 02:27:14 ROUTER c9
> Mar 26 02:27:14 ROUTER 5d
> Mar 26 02:27:14 ROUTER 89
> Mar 26 02:27:14 ROUTER c8
> Mar 26 02:27:14 ROUTER c3
> Mar 26 02:27:14 ROUTER 55
> Mar 26 02:27:14 ROUTER ba
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 01
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 89
> Mar 26 02:27:14 ROUTER e5
> Mar 26 02:27:14 ROUTER f0
> Mar 26 02:27:14 ROUTER 66
> Mar 26 02:27:14 ROUTER 0f
> Mar 26 02:27:14 ROUTER c1
> Mar 26 02:27:14 ROUTER 10
> Mar 26 02:27:14 ROUTER 38
> Mar 26 02:27:14 ROUTER f2
> Mar 26 02:27:14 ROUTER 74
> Mar 26 02:27:14 ROUTER 06
> Mar 26 02:27:14 ROUTER f3
> Mar 26 02:27:14 ROUTER 90
> Mar 26 02:27:14 ROUTER unparseable log message: "<8a> "
> Mar 26 02:27:14 ROUTER 10
> Mar 26 02:27:14 ROUTER eb
> Mar 26 02:27:14 ROUTER f6
> Mar 26 02:27:14 ROUTER 5d
> Mar 26 02:27:14 ROUTER c3
> Mar 26 02:27:14 ROUTER 55
> Mar 26 02:27:14 ROUTER 89
> Mar 26 02:27:14 ROUTER e5
> Mar 26 02:27:14 ROUTER f0
> Mar 26 02:27:14 ROUTER 81
> Mar 26 02:27:14 ROUTER 28
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 00
> Mar 26 02:27:14 ROUTER 01
> Mar 26 02:27:14 ROUTER 74
> Mar 26 02:27:14 ROUTER 05
> Mar 26 02:27:14 ROUTER e8
> Mar 26 02:27:14 ROUTER 64
> Mar 26 02:27:14 ROUTER fd
> Mar 26 02:27:14 ROUTER
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