Re: WARNING: at net/ipv4/tcp_input.c:2054 tcp_mark_head_lost()

From: Andrew Morton
Date: Sat Feb 23 2008 - 03:05:19 EST



(cc netdev)

On Wed, 20 Feb 2008 20:04:39 -0800 (PST) Giangiacomo Mariotti <giangiacomo_mariotti@xxxxxxxxx> wrote:

> This is what I got with dmesg :
>
> [ 266.978695] WARNING: at net/ipv4/tcp_input.c:2054 tcp_mark_head_lost()
> [ 266.978701] Pid: 0, comm: swapper Not tainted 2.6.24.2-my001 #1
> [ 266.978703]
> [ 266.978704] Call Trace:
> [ 266.978706] <IRQ> [<ffffffff80426981>] tcp_ack+0x16d8/0x197f
> [ 266.978721] [<ffffffff8022e72f>] __wake_up+0x38/0x4e
> [ 266.978727] [<ffffffff804295ef>] tcp_rcv_established+0xe2/0x8cb
> [ 266.978732] [<ffffffff8042f56f>] tcp_v4_do_rcv+0x30/0x39c
> [ 266.978738] [<ffffffff80431d29>] tcp_v4_rcv+0x99b/0xa06
> [ 266.978743] [<ffffffff803f2c95>] __netdev_alloc_skb+0x29/0x43
> [ 266.978749] [<ffffffff80416d21>] ip_local_deliver_finish+0x152/0x212
> [ 266.978753] [<ffffffff80416bac>] ip_rcv_finish+0x2f8/0x31b
> [ 266.978758] [<ffffffff803f6c42>] netif_receive_skb+0x3ae/0x3d1
> [ 266.978763] [<ffffffff8037398f>] rtl8169_rx_interrupt+0x45f/0x53e
> [ 266.978768] [<ffffffff8037405b>] rtl8169_poll+0x36/0x16a
> [ 266.978773] [<ffffffff803f8ca7>] net_rx_action+0xb7/0x1f3
> [ 266.978778] [<ffffffff8023a3a5>] __do_softirq+0x65/0xce
> [ 266.978782] [<ffffffff8020b0d2>] default_idle+0x0/0x3d
> [ 266.978786] [<ffffffff8020d09c>] call_softirq+0x1c/0x28
> [ 266.978789] [<ffffffff8020e4f0>] do_softirq+0x2c/0x7d
> [ 266.978792] [<ffffffff8023a2fb>] irq_exit+0x3f/0x84
> [ 266.978794] [<ffffffff8020e729>] do_IRQ+0xb6/0xd5
> [ 266.978797] [<ffffffff8020b0d2>] default_idle+0x0/0x3d
> [ 266.978800] [<ffffffff8020c421>] ret_from_intr+0x0/0xa
> [ 266.978801] <EOI> [<ffffffff8020b0fb>] default_idle+0x29/0x3d
> [ 266.978809] [<ffffffff8020b1a2>] cpu_idle+0x93/0xbb
> [ 266.978813] [<ffffffff805cfa4b>] start_kernel+0x2bb/0x2c7
> [ 266.978818] [<ffffffff805cf123>] _sinittext+0x123/0x12a
> [ 266.978821]
>
> This though didn't cause any user-visible problem.
>
> .config file :
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