linux-kernel - Re: WARNING: at net/ipv4/tcp_input.c:2054 tcp_mark_head

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Message-Id: <20080223000310.4630daa8.akpm@linux-foundation.org>
Date:	Sat, 23 Feb 2008 00:03:10 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Giangiacomo Mariotti <giangiacomo_mariotti@...oo.com>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: WARNING: at net/ipv4/tcp_input.c:2054 tcp_mark_head_lost()


(cc netdev)

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