Comment 5 for bug 552218

[276375.005745] ------------[ cut here ]------------
[276375.005795] WARNING: at /build/buildd/linux-2.6.32/net/ipv4/tcp_input.c:2540 tcp_mark_head_lost+0x1d1/0x1f0()
[276375.005808] Hardware name: MS-6163
[276375.005816] Modules linked in: binfmt_misc xt_limit xt_tcpudp ipt_LOG ipt_MASQUERADE xt_DSCP ipt_REJECT nf_conntrack_irc nf_conntrack_ftp xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 nfsd exportfs iptable_mangle nfs iptable_filter lockd ip_tables nfs_acl x_tables auth_rpcgss sunrpc fbcon tileblit font bitblit softcursor vga16fb ppdev vgastate lp intel_agp parport_pc parport agpgart i2c_piix4 shpchp serio_raw e100 floppy mii
[276375.005962] Pid: 0, comm: swapper Tainted: G W 2.6.32-25-generic #45-Ubuntu
[276375.005973] Call Trace:
[276375.006005] [<c014c6e2>] warn_slowpath_common+0x72/0xa0
[276375.006023] [<c04fbec1>] ? tcp_mark_head_lost+0x1d1/0x1f0
[276375.006039] [<c04fbec1>] ? tcp_mark_head_lost+0x1d1/0x1f0
[276375.006057] [<c014c72a>] warn_slowpath_null+0x1a/0x20
[276375.006073] [<c04fbec1>] tcp_mark_head_lost+0x1d1/0x1f0
[276375.006089] [<c04fc09c>] tcp_update_scoreboard+0x1bc/0x200
[276375.006108] [<c0500e1a>] tcp_fastretrans_alert+0x34a/0xc40
[276375.006124] [<c050212a>] tcp_ack+0x26a/0x640
[276375.006152] [<c0502f07>] tcp_rcv_established+0x4e7/0x670
[276375.006176] [<c0509dfd>] tcp_v4_do_rcv+0xbd/0x130
[276375.006191] [<c050b331>] tcp_v4_rcv+0x541/0x740
[276375.006214] [<c04e53d1>] ? nf_iterate+0x71/0x90
[276375.006230] [<c04e5529>] ? nf_hook_slow+0x59/0xd0
[276375.006255] [<c04ec9e7>] ip_local_deliver_finish+0xa7/0x270
[276375.006272] [<c04ecc3f>] ip_local_deliver+0x8f/0xa0
[276375.006289] [<c04ec940>] ? ip_local_deliver_finish+0x0/0x270
[276375.006305] [<c04ec29b>] ip_rcv_finish+0xeb/0x380
[276375.006322] [<c04ec74e>] ip_rcv+0x21e/0x2e0
[276375.006337] [<c04ec1b0>] ? ip_rcv_finish+0x0/0x380
[276375.006366] [<c04c3a37>] netif_receive_skb+0x387/0x570
[276375.006394] [<c0134502>] ? resched_task+0x22/0x70
[276375.006437] [<d88489c9>] e100_rx_indicate+0x139/0x240 [e100]
[276375.006474] [<c0176b34>] ? tick_dev_program_event+0x74/0xd0
[276375.006493] [<c03cf1e8>] ? fb_open+0xe8/0x180
[276375.006521] [<d884929c>] e100_rx_clean+0x4c/0x1f0 [e100]
[276375.006546] [<d884946e>] e100_poll+0x2e/0x60 [e100]
[276375.006566] [<c04c439d>] net_rx_action+0xed/0x1d0
[276375.006584] [<c0153358>] __do_softirq+0x98/0x1b0
[276375.006615] [<c012a578>] ? default_spin_lock_flags+0x8/0x10
[276375.006639] [<c058d29f>] ? _spin_lock_irqsave+0x2f/0x50
[276375.006668] [<c0106c87>] ? enable_8259A_irq+0x47/0x70
[276375.006683] [<c01534b5>] do_softirq+0x45/0x50
[276375.006697] [<c0153605>] irq_exit+0x65/0x70
[276375.006722] [<c0591715>] do_IRQ+0x55/0xc0
[276375.006741] [<c0175ddd>] ? tick_notify+0x10d/0x1c0
[276375.006757] [<c0103a30>] common_interrupt+0x30/0x40
[276375.006774] [<c01700e0>] ? profile_setup+0x1c0/0x1f0
[276375.006790] [<c012996a>] ? native_safe_halt+0xa/0x10
[276375.006813] [<c039defb>] acpi_idle_do_entry+0x37/0x58
[276375.006829] [<c039df81>] acpi_idle_enter_c1+0x65/0xad
[276375.006855] [<c04a20da>] cpuidle_idle_call+0x7a/0x100
[276375.006871] [<c01021d4>] cpu_idle+0x94/0xd0
[276375.006905] [<c057ab88>] rest_init+0x58/0x60
[276375.006934] [<c07a58ec>] start_kernel+0x351/0x357
[276375.006950] [<c07a53c7>] ? unknown_bootoption+0x0/0x19e
[276375.006968] [<c07a50aa>] i386_start_kernel+0xaa/0xb1
[276375.006980] ---[ end trace 6346a3440dd69372 ]---