Public bug reported:
Hardware: Asus M3A78, Athlon 4050e, 2GB, Silicon Image PCIe SATA2 controller, 8
SATA2 disks, 1 IDE disk
Software: Ubuntu Server 8.10 64-bit used as seedbox
Active software on box: rtorrent (recent from svn), actively seeding with
several hundred connections
Operations did not seem to be affected, I found this one accidentally
while routinely looking through logs.
Stack trace from /var/log/messages:
Apr 11 03:48:02 nas kernel: [184920.989898] ------------[ cut here ]------------
Apr 11 03:48:02 nas kernel: [184920.989907] WARNING: at
/build/buildd/linux-2.6.28/net/ipv4/tcp_input.c:2232
tcp_mark_head_lost+0x214/0x230()
Apr 11 03:48:02 nas kernel: [184920.989912] Modules linked in: kvm_amd kvm nfsd
auth_rpcgss exportfs nfs lockd nfs_acl sunrpc lp snd_hda_intel s3fb svgalib
vgastate ppdev snd_pcm snd_timer i2c_piix4 k8temp snd soundcore pcspkr
snd_page_a
lloc parport_pc parport xfs floppy r8169 mii raid10 raid456 async_xor
async_memcpy async_tx xor raid1 raid0 multipath linear fbcon tileblit font
bitblit softcursor
Apr 11 03:48:02 nas kernel: [184920.989969] Pid: 0, comm: swapper Not tainted
2.6.28-11-server #40-Ubuntu
Apr 11 03:48:02 nas kernel: [184920.989974] Call Trace:
Apr 11 03:48:02 nas kernel: [184920.989978] <IRQ> [<ffffffff802509bf>]
warn_on_slowpath+0x5f/0x90
Apr 11 03:48:02 nas kernel: [184920.989995] [<ffffffff8069dc22>] ?
_spin_lock_irqsave+0x32/0x50
Apr 11 03:48:02 nas kernel: [184920.990002] [<ffffffff805f6ae3>] ?
tcp_transmit_skb+0x4f3/0x760
Apr 11 03:48:02 nas kernel: [184920.990010] [<ffffffff805ee604>]
tcp_mark_head_lost+0x214/0x230
Apr 11 03:48:02 nas kernel: [184920.990016] [<ffffffff805ee762>]
tcp_update_scoreboard+0x142/0x1f0
Apr 11 03:48:02 nas kernel: [184920.990022] [<ffffffff805f3558>]
tcp_fastretrans_alert+0x858/0xcc0
Apr 11 03:48:02 nas kernel: [184920.990027] [<ffffffff805f4725>]
tcp_ack+0x465/0x640
Apr 11 03:48:02 nas kernel: [184920.990032] [<ffffffff805f51e7>]
tcp_rcv_established+0x367/0x760
Apr 11 03:48:02 nas kernel: [184920.990039] [<ffffffff805fd5fb>]
tcp_v4_do_rcv+0xfb/0x150
Apr 11 03:48:02 nas kernel: [184920.990045] [<ffffffff805fef6e>]
tcp_v4_rcv+0x5ae/0x7d0
Apr 11 03:48:02 nas kernel: [184920.990051] [<ffffffff805e37d5>] ?
ip_output+0x65/0xb0
Apr 11 03:48:02 nas kernel: [184920.990058] [<ffffffff805de00b>]
ip_local_deliver_finish+0xdb/0x1e0
Apr 11 03:48:02 nas kernel: [184920.990063] [<ffffffff805de19d>]
ip_local_deliver+0x8d/0xa0
Apr 11 03:48:02 nas kernel: [184920.990069] [<ffffffff805dd853>]
ip_rcv_finish+0x1a3/0x3d0
Apr 11 03:48:02 nas kernel: [184920.990077] [<ffffffff805ac0aa>] ?
__kfree_skb+0x3a/0xa0
Apr 11 03:48:02 nas kernel: [184920.990082] [<ffffffff805ddce4>]
ip_rcv+0x264/0x2f0
Apr 11 03:48:02 nas kernel: [184920.990090] [<ffffffff805b707c>]
netif_receive_skb+0x2dc/0x590
Apr 11 03:48:02 nas kernel: [184920.990106] [<ffffffffa00b34e4>]
rtl8169_rx_interrupt+0x1b4/0x520 [r8169]
Apr 11 03:48:02 nas kernel: [184920.990117] [<ffffffffa00b4e62>]
rtl8169_poll+0x32/0xe8 [r8169]
Apr 11 03:48:02 nas kernel: [184920.990127] [<ffffffff802708b9>] ?
getnstimeofday+0x59/0xe0
Apr 11 03:48:02 nas kernel: [184920.990132] [<ffffffff805b6ae4>]
net_rx_action+0x104/0x240
Apr 11 03:48:02 nas kernel: [184920.990139] [<ffffffff80256a5c>]
__do_softirq+0x9c/0x170
Apr 11 03:48:02 nas kernel: [184920.990146] [<ffffffff80213d8c>]
call_softirq+0x1c/0x30
Apr 11 03:48:02 nas kernel: [184920.990152] [<ffffffff80214ffd>]
do_softirq+0x5d/0xa0
Apr 11 03:48:02 nas kernel: [184920.990158] [<ffffffff802567dd>]
irq_exit+0x8d/0xa0
Apr 11 03:48:02 nas kernel: [184920.990163] [<ffffffff802152c5>]
do_IRQ+0xc5/0x110
Apr 11 03:48:02 nas kernel: [184920.990168] [<ffffffff80212bf3>]
ret_from_intr+0x0/0x29
Apr 11 03:48:02 nas kernel: [184920.990171] <EOI> [<ffffffff8022e856>] ?
native_safe_halt+0x6/0x10
Apr 11 03:48:02 nas kernel: [184920.990186] [<ffffffff8027352d>] ?
clockevents_notify+0x3d/0x90
Apr 11 03:48:02 nas kernel: [184920.990195] [<ffffffff8021a9fd>] ?
default_idle+0x4d/0x50
Apr 11 03:48:02 nas kernel: [184920.990200] [<ffffffff8021aa8a>] ?
c1e_idle+0x8a/0x130
Apr 11 03:48:02 nas kernel: [184920.990207] [<ffffffff806a1085>] ?
atomic_notifier_call_chain+0x15/0x20
Apr 11 03:48:02 nas kernel: [184920.990216] [<ffffffff80210e85>] ?
cpu_idle+0x65/0xc0
Apr 11 03:48:02 nas kernel: [184920.990223] [<ffffffff806987a3>] ?
start_secondary+0x9e/0xcb
Apr 11 03:48:02 nas kernel: [184920.990228] ---[ end trace 3a373a93fea80ce5 ]---
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
Stack dump in tcp_input.c tcp_mark_head_lost
https://bugs.launchpad.net/bugs/364098
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