From: Denys Fedoryschenko <denys@visp.net.lb>
To: netdev@vger.kernel.org
Subject: 2.6.31 / WARNING / tcp_input
Date: Thu, 17 Sep 2009 20:33:38 +0300 [thread overview]
Message-ID: <200909172033.38960.denys@visp.net.lb> (raw)
Nothing unusual in configs, heavily loaded HTTP proxy.
Some tunings:
sysctl -w net.core.somaxconn=4096
sysctl -w net.core.wmem_max=384000
kernel.panic_on_oops=1
kernel.panic=5
vm.min_free_kbytes=16384
net.ipv4.tcp_max_syn_backlog=10240
net.ipv4.conf.all.arp_filter=1
vm.panic_on_oom=2
net.core.netdev_max_backlog=4000
[ 123.221032] ------------[ cut here ]------------
[ 123.221183] WARNING: at net/ipv4/tcp_input.c:2920 tcp_ack+0xc6c/0x17bf()
[ 123.221316] Hardware name: PowerEdge 2900
[ 123.221438] Modules linked in: ext4 jbd2 mptspi mptsas scsi_transport_spi
scsi_transport_sas mptscsih mptbase xt_owner ipt_REDIRECT xt_tcpudp xt_dscp
iptable_raw iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack rtc_cmos
rtc_core rtc_lib nf_defrag_ipv4 iptable_filter ip_tables x_tables 8021q garp
stp llc loop usb_storage mtdblock mtd_blkdevs mtd iTCO_wdt
iTCO_vendor_support pata_acpi ata_piix ata_generic libata megaraid_sas bnx2
sr_mod cdrom tulip r8169 sky2 via_velocity via_rhine sis900 ne2k_pci 8390
skge tg3 libphy 8139too e1000 e100 usbhid ohci_hcd uhci_hcd ehci_hcd usbcore
nls_base
[ 123.225025] Pid: 0, comm: swapper Not tainted 2.6.31-build-0046-32bit #20
[ 123.225162] Call Trace:
[ 123.225289] [<c012d051>] warn_slowpath_common+0x60/0x90
[ 123.225415] [<c012d08e>] warn_slowpath_null+0xd/0x10
[ 123.225540] [<c02c8e15>] tcp_ack+0xc6c/0x17bf
[ 123.225665] [<c02ca51c>] tcp_rcv_established+0x6dc/0x8fd
[ 123.225791] [<c02cff7f>] tcp_v4_do_rcv+0x24/0x17e
[ 123.225915] [<c02d04c0>] tcp_v4_rcv+0x3e7/0x5a8
[ 123.226039] [<c02b953a>] ip_local_deliver_finish+0xb6/0x12e
[ 123.226174] [<c02b9613>] ip_local_deliver+0x61/0x6a
[ 123.226303] [<c02b9215>] ip_rcv_finish+0x29d/0x2b3
[ 123.226427] [<c02b9458>] ip_rcv+0x22d/0x259
[ 123.226552] [<c029d700>] netif_receive_skb+0x439/0x458
[ 123.226677] [<c02ab3ca>] ? eth_type_trans+0x25/0xa9
[ 123.226808] [<f84c1193>] bnx2_poll_work+0xffd/0x1137 [bnx2]
[ 123.226938] [<c012331a>] ? enqueue_task_fair+0x131/0x173
[ 123.227069] [<c011f015>] ? activate_task+0x3c/0x4b
[ 123.227206] [<f84c145f>] bnx2_poll+0xf8/0x1d8 [bnx2]
[ 123.227331] [<c029dc93>] net_rx_action+0x93/0x177
[ 123.227457] [<c0131ad9>] __do_softirq+0xa7/0x144
[ 123.227582] [<c0131a32>] ? __do_softirq+0x0/0x144
[ 123.227705] <IRQ> [<c0131853>] ? irq_exit+0x29/0x5c
[ 123.227876] [<c0104393>] ? do_IRQ+0x80/0x96
[ 123.228000] [<c0102f49>] ? common_interrupt+0x29/0x30
[ 123.228136] [<c0108a1e>] ? mwait_idle+0x8a/0xb9
[ 123.228266] [<c0101bf0>] ? cpu_idle+0x44/0x60
[ 123.228390] [<c02f90ed>] ? start_secondary+0x195/0x19a
[ 123.228515] ---[ end trace 22f267765b97f808 ]---
reply other threads:[~2009-09-17 17:31 UTC|newest]
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