WARNING: at net/ipv4/tcp_input.c:2964 tcp_ack+0x104f/0x22d0()

From: Linda Walsh
Date: Mon Jul 12 2010 - 23:45:30 EST

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Anyone know what this might be warning me of?

The line involved:

unpatched 2.6.34

==> warn <==
Jul 12 20:06:29 Ishtar kernel: [55475.419285] ------------[ cut here ]------------
Jul 12 20:06:29 Ishtar kernel: [55475.419297] WARNING: at net/ipv4/tcp_input.c:2964 tcp_ack+0x104f/0x22d0()
Jul 12 20:06:29 Ishtar kernel: [55475.419300] Hardware name: PowerEdge T610
Jul 12 20:06:29 Ishtar kernel: [55475.419302] Modules linked in: iptable_filter ip6t_REJECT ip6t_LOG nf_conntrack_ipv6 ip6table_raw xt_NOTRACK xt_limit iptable_raw ip6table_filter ip6_tables xt_state [last unloaded: kvm]
Jul 12 20:06:29 Ishtar kernel: [55475.419321] Pid: 0, comm: swapper Not tainted 2.6.34T610-Vanilla-1 #1
Jul 12 20:06:29 Ishtar kernel: [55475.419324] Call Trace:
Jul 12 20:06:29 Ishtar kernel: [55475.419327] <IRQ> [<ffffffff81047feb>] warn_slowpath_common+0x7b/0xc0
Jul 12 20:06:29 Ishtar kernel: [55475.419340] [<ffffffff81048044>] warn_slowpath_null+0x14/0x20
Jul 12 20:06:29 Ishtar kernel: [55475.419344] [<ffffffff815077bf>] tcp_ack+0x104f/0x22d0
Jul 12 20:06:29 Ishtar kernel: [55475.419350] [<ffffffff815096a8>] tcp_rcv_established+0x578/0xaa0
Jul 12 20:06:29 Ishtar kernel: [55475.419357] [<ffffffff815115ad>] tcp_v4_do_rcv+0xcd/0x220
Jul 12 20:06:29 Ishtar kernel: [55475.419364] [<ffffffff815c2cde>] ? _raw_spin_lock_nested+0x4e/0x60
Jul 12 20:06:29 Ishtar kernel: [55475.419369] [<ffffffff81511c9e>] tcp_v4_rcv+0x59e/0x870
Jul 12 20:06:29 Ishtar kernel: [55475.419374] [<ffffffff814f12b0>] ? ip_local_deliver_finish+0x0/0x270
Jul 12 20:06:29 Ishtar kernel: [55475.419379] [<ffffffff814f1398>] ip_local_deliver_finish+0xe8/0x270
Jul 12 20:06:29 Ishtar kernel: [55475.419383] [<ffffffff814f12eb>] ? ip_local_deliver_finish+0x3b/0x270
Jul 12 20:06:29 Ishtar kernel: [55475.419388] [<ffffffff814f15b0>] ip_local_deliver+0x90/0xa0
Jul 12 20:06:29 Ishtar kernel: [55475.419392] [<ffffffff814f0c9d>] ip_rcv_finish+0xfd/0x430
Jul 12 20:06:29 Ishtar kernel: [55475.419397] [<ffffffff814f11ed>] ip_rcv+0x21d/0x2e0
Jul 12 20:06:29 Ishtar kernel: [55475.419404] [<ffffffff814b3d63>] netif_receive_skb+0x3c3/0x6c0
Jul 12 20:06:29 Ishtar kernel: [55475.419408] [<ffffffff814b3b00>] ? netif_receive_skb+0x160/0x6c0
Jul 12 20:06:29 Ishtar kernel: [55475.419414] [<ffffffff814b4be0>] napi_skb_finish+0x50/0x70
Jul 12 20:06:29 Ishtar kernel: [55475.419418] [<ffffffff814b4c39>] napi_gro_receive+0x39/0x50
Jul 12 20:06:29 Ishtar kernel: [55475.419426] [<ffffffff813ce93b>] e1000_receive_skb+0x5b/0x90
Jul 12 20:06:29 Ishtar kernel: [55475.419430] [<ffffffff813cec07>] e1000_clean_rx_irq+0x297/0x450
Jul 12 20:06:29 Ishtar kernel: [55475.419436] [<ffffffff813d0bae>] e1000_clean+0x7e/0x280
Jul 12 20:06:29 Ishtar kernel: [55475.419440] [<ffffffff814b44d0>] net_rx_action+0x190/0x320
Jul 12 20:06:29 Ishtar kernel: [55475.419445] [<ffffffff814b4447>] ? net_rx_action+0x107/0x320
Jul 12 20:06:29 Ishtar kernel: [55475.419450] [<ffffffff81042ba7>] ? scheduler_tick+0x47/0x290
Jul 12 20:06:29 Ishtar kernel: [55475.419457] [<ffffffff8104f444>] __do_softirq+0x114/0x2c0
Jul 12 20:06:29 Ishtar kernel: [55475.419462] [<ffffffff81003f0c>] call_softirq+0x1c/0x30
Jul 12 20:06:29 Ishtar kernel: [55475.419467] [<ffffffff8100615d>] do_softirq+0x7d/0xb0
Jul 12 20:06:29 Ishtar kernel: [55475.419471] [<ffffffff8104eec5>] irq_exit+0x95/0xa0
Jul 12 20:06:29 Ishtar kernel: [55475.419476] [<ffffffff815c432c>] do_IRQ+0x7c/0xf0
Jul 12 20:06:29 Ishtar kernel: [55475.419480] [<ffffffff815c3c13>] ret_from_intr+0x0/0xf
Jul 12 20:06:29 Ishtar kernel: [55475.419483] <EOI> [<ffffffff8106f220>] ? __atomic_notifier_call_chain+0x0/0xd0
Jul 12 20:06:29 Ishtar kernel: [55475.419496] [<ffffffff8100c39e>] ? mwait_idle+0x7e/0x100
Jul 12 20:06:29 Ishtar kernel: [55475.419500] [<ffffffff8100c395>] ? mwait_idle+0x75/0x100
Jul 12 20:06:29 Ishtar kernel: [55475.419505] [<ffffffff81001fa6>] cpu_idle+0x66/0xd0
Jul 12 20:06:29 Ishtar kernel: [55475.419510] [<ffffffff815bc677>] start_secondary+0x1c3/0x1c8
Jul 12 20:06:29 Ishtar kernel: [55475.419514] ---[ end trace 93de9c3e786d82ea ]---

==> messages <==
Jul 12 20:06:29 Ishtar kernel: [55475.419285] ------------[ cut here ]------------
Jul 12 20:06:29 Ishtar kernel: [55475.419297] WARNING: at net/ipv4/tcp_input.c:2964 tcp_ack+0x104f/0x22d0()
Jul 12 20:06:29 Ishtar kernel: [55475.419300] Hardware name: PowerEdge T610
Jul 12 20:06:29 Ishtar kernel: [55475.419302] Modules linked in: iptable_filter ip6t_REJECT ip6t_LOG nf_conntrack_ipv6 ip6table_raw xt_NOTRACK xt_limit iptable_raw ip6table_filter ip6_tables xt_state [last unloaded: kvm]
Jul 12 20:06:29 Ishtar kernel: [55475.419321] Pid: 0, comm: swapper Not tainted 2.6.34T610-Vanilla-1 #1
Jul 12 20:06:29 Ishtar kernel: [55475.419324] Call Trace:
Jul 12 20:06:29 Ishtar kernel: [55475.419327] <IRQ> [<ffffffff81047feb>] warn_slowpath_common+0x7b/0xc0
Jul 12 20:06:29 Ishtar kernel: [55475.419340] [<ffffffff81048044>] warn_slowpath_null+0x14/0x20
Jul 12 20:06:29 Ishtar kernel: [55475.419344] [<ffffffff815077bf>] tcp_ack+0x104f/0x22d0
Jul 12 20:06:29 Ishtar kernel: [55475.419350] [<ffffffff815096a8>] tcp_rcv_established+0x578/0xaa0
Jul 12 20:06:29 Ishtar kernel: [55475.419357] [<ffffffff815115ad>] tcp_v4_do_rcv+0xcd/0x220
Jul 12 20:06:29 Ishtar kernel: [55475.419364] [<ffffffff815c2cde>] ? _raw_spin_lock_nested+0x4e/0x60
Jul 12 20:06:29 Ishtar kernel: [55475.419369] [<ffffffff81511c9e>] tcp_v4_rcv+0x59e/0x870
Jul 12 20:06:29 Ishtar kernel: [55475.419374] [<ffffffff814f12b0>] ? ip_local_deliver_finish+0x0/0x270
Jul 12 20:06:29 Ishtar kernel: [55475.419379] [<ffffffff814f1398>] ip_local_deliver_finish+0xe8/0x270
Jul 12 20:06:29 Ishtar kernel: [55475.419383] [<ffffffff814f12eb>] ? ip_local_deliver_finish+0x3b/0x270
Jul 12 20:06:29 Ishtar kernel: [55475.419388] [<ffffffff814f15b0>] ip_local_deliver+0x90/0xa0
Jul 12 20:06:29 Ishtar kernel: [55475.419392] [<ffffffff814f0c9d>] ip_rcv_finish+0xfd/0x430
Jul 12 20:06:29 Ishtar kernel: [55475.419397] [<ffffffff814f11ed>] ip_rcv+0x21d/0x2e0
Jul 12 20:06:29 Ishtar kernel: [55475.419404] [<ffffffff814b3d63>] netif_receive_skb+0x3c3/0x6c0
Jul 12 20:06:29 Ishtar kernel: [55475.419408] [<ffffffff814b3b00>] ? netif_receive_skb+0x160/0x6c0
Jul 12 20:06:29 Ishtar kernel: [55475.419414] [<ffffffff814b4be0>] napi_skb_finish+0x50/0x70
Jul 12 20:06:29 Ishtar kernel: [55475.419418] [<ffffffff814b4c39>] napi_gro_receive+0x39/0x50
Jul 12 20:06:29 Ishtar kernel: [55475.419426] [<ffffffff813ce93b>] e1000_receive_skb+0x5b/0x90
Jul 12 20:06:29 Ishtar kernel: [55475.419430] [<ffffffff813cec07>] e1000_clean_rx_irq+0x297/0x450
Jul 12 20:06:29 Ishtar kernel: [55475.419436] [<ffffffff813d0bae>] e1000_clean+0x7e/0x280
Jul 12 20:06:29 Ishtar kernel: [55475.419440] [<ffffffff814b44d0>] net_rx_action+0x190/0x320
Jul 12 20:06:29 Ishtar kernel: [55475.419445] [<ffffffff814b4447>] ? net_rx_action+0x107/0x320
Jul 12 20:06:29 Ishtar kernel: [55475.419450] [<ffffffff81042ba7>] ? scheduler_tick+0x47/0x290
Jul 12 20:06:29 Ishtar kernel: [55475.419457] [<ffffffff8104f444>] __do_softirq+0x114/0x2c0
Jul 12 20:06:29 Ishtar kernel: [55475.419462] [<ffffffff81003f0c>] call_softirq+0x1c/0x30
Jul 12 20:06:29 Ishtar kernel: [55475.419467] [<ffffffff8100615d>] do_softirq+0x7d/0xb0
Jul 12 20:06:29 Ishtar kernel: [55475.419471] [<ffffffff8104eec5>] irq_exit+0x95/0xa0
Jul 12 20:06:29 Ishtar kernel: [55475.419476] [<ffffffff815c432c>] do_IRQ+0x7c/0xf0
Jul 12 20:06:29 Ishtar kernel: [55475.419480] [<ffffffff815c3c13>] ret_from_intr+0x0/0xf
Jul 12 20:06:29 Ishtar kernel: [55475.419483] <EOI> [<ffffffff8106f220>] ? __atomic_notifier_call_chain+0x0/0xd0
Jul 12 20:06:29 Ishtar kernel: [55475.419496] [<ffffffff8100c39e>] ? mwait_idle+0x7e/0x100
Jul 12 20:06:29 Ishtar kernel: [55475.419500] [<ffffffff8100c395>] ? mwait_idle+0x75/0x100
Jul 12 20:06:29 Ishtar kernel: [55475.419505] [<ffffffff81001fa6>] cpu_idle+0x66/0xd0
Jul 12 20:06:29 Ishtar kernel: [55475.419510] [<ffffffff815bc677>] start_secondary+0x1c3/0x1c8
Jul 12 20:06:29 Ishtar kernel: [55475.419514] ---[ end trace 93de9c3e786d82ea ]---
Jul 12 20:07:01 Ishtar /usr/sbin/cron[8345]: (law) CMD (/home/law/scripts/process_despam 2>&1 >/dev/null)
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Next message: Ian Kent: "Re: [PATCH 06/38] whiteout: Add vfs_whiteout() and whiteout inodeoperation"
Previous message: Xiaotian Feng: "[PATCH 20/30] netfilter: NF_QUEUE vs emergency skbs"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]