From: Cedric Le Goater <clg@fr.ibm.com>
To: Cedric Le Goater <legoater@free.fr>
Cc: "Ilpo Järvinen" <ilpo.jarvinen@helsinki.fi>,
"David Miller" <davem@davemloft.net>,
Netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH net-2.6.24 0/3]: More TCP fixes
Date: Wed, 03 Oct 2007 17:12:44 +0200 [thread overview]
Message-ID: <4703B16C.2000106@fr.ibm.com> (raw)
In-Reply-To: <4703AE04.5090009@free.fr>
Cedric Le Goater wrote:
> Ilpo Järvinen wrote:
>> On Wed, 3 Oct 2007, Cedric Le Goater wrote:
>>
>>> Ilpo Järvinen wrote:
>>>> Ah, that's path 1) then... Since you seem to have enough time, I would say
>>>> that the path 1 is good as well and bugs unrelated to the fix will show up
>>>> there too...
>>> arg. yes. sorry for the confusion.
>>>
>>>> I should have stated it explicitly that with path 2 those 3 patches should
>>>> not be applied because the aim is not a fix but reproducal. Path 2 was
>>>> intentionally left without the potentional fix as then nice backtrace
>>>> informs when we can stop trying (which would hopefully occurred
>>>> pretty soon) :-). But lets discard that path 2...
>>> I have 2 spare nodes so i'll run both. 1) is on already without any issues
>>> i'm just compiling 2)
>
> Below are the messages I got on 2) right after running ketchup (which does
> a wget www.kernel.org)
>
> not a warning on 1) with your extra verbose patch.
bummer, I got this one on 1) :(
C.
WARNING: at /home/legoater/linux/net-2.6.24.git/net/ipv4/tcp_input.c:2325 tcp_fastretrans_alert()
Call Trace:
<IRQ> [<ffffffff8022ddb6>] __wake_up+0x1f/0x4c
[<ffffffff803fd9d3>] tcp_ack+0xcee/0x18ac
[<ffffffff80400764>] tcp_rcv_established+0x61f/0x6df
[<ffffffff8024e8d8>] __lock_acquire+0x8a1/0xf1b
[<ffffffff8040795b>] tcp_v4_do_rcv+0x3e/0x394
[<ffffffff804082d5>] tcp_v4_rcv+0x624/0x9b1
[<ffffffff803ecfa3>] ip_local_deliver+0x1da/0x2a4
[<ffffffff803ed900>] ip_rcv+0x57c/0x5c4
[<ffffffff8045ae53>] packet_rcv_spkt+0x19a/0x1a8
[<ffffffff803ce78e>] netif_receive_skb+0x2ba/0x2de
[<ffffffff88044505>] :tg3:tg3_poll+0x65d/0x8a4
[<ffffffff803ce958>] net_rx_action+0xb8/0x191
[<ffffffff802385cb>] __do_softirq+0x5f/0xe0
[<ffffffff8020c97c>] call_softirq+0x1c/0x28
[<ffffffff8020e672>] do_softirq+0x3b/0xb9
[<ffffffff802386c2>] irq_exit+0x4e/0x50
[<ffffffff8020e48e>] do_IRQ+0xbe/0xd8
[<ffffffff80209cb9>] mwait_idle+0x0/0x4d
[<ffffffff8020bcc6>] ret_from_intr+0x0/0xf
<EOI> [<ffffffff80464e10>] __sched_text_start+0x5f0/0x62b
[<ffffffff80464e10>] __sched_text_start+0x5f0/0x62b
[<ffffffff80209cfc>] mwait_idle+0x43/0x4d
[<ffffffff802099fb>] enter_idle+0x22/0x24
[<ffffffff80209c4f>] cpu_idle+0x9d/0xc0
[<ffffffff80464513>] rest_init+0x57/0x59
[<ffffffff8060c82a>] start_kernel+0x2d1/0x2dd
[<ffffffff8060c14e>] _sinittext+0x14e/0x155
WARNING: at /home/legoater/linux/net-2.6.24.git/net/ipv4/tcp_input.c:2325 tcp_fastretrans_alert()
Call Trace:
<IRQ> [<ffffffff8022ddb6>] __wake_up+0x1f/0x4c
[<ffffffff803fd9d3>] tcp_ack+0xcee/0x18ac
[<ffffffff80400764>] tcp_rcv_established+0x61f/0x6df
[<ffffffff8024e8d8>] __lock_acquire+0x8a1/0xf1b
[<ffffffff8040795b>] tcp_v4_do_rcv+0x3e/0x394
[<ffffffff804082d5>] tcp_v4_rcv+0x624/0x9b1
[<ffffffff803ecfa3>] ip_local_deliver+0x1da/0x2a4
[<ffffffff803ed900>] ip_rcv+0x57c/0x5c4
[<ffffffff8045ae53>] packet_rcv_spkt+0x19a/0x1a8
[<ffffffff803ce78e>] netif_receive_skb+0x2ba/0x2de
[<ffffffff88044505>] :tg3:tg3_poll+0x65d/0x8a4
[<ffffffff803ce958>] net_rx_action+0xb8/0x191
[<ffffffff802385cb>] __do_softirq+0x5f/0xe0
[<ffffffff8020c97c>] call_softirq+0x1c/0x28
[<ffffffff8020e672>] do_softirq+0x3b/0xb9
[<ffffffff802386c2>] irq_exit+0x4e/0x50
[<ffffffff8020e48e>] do_IRQ+0xbe/0xd8
[<ffffffff80209cb9>] mwait_idle+0x0/0x4d
[<ffffffff8020bcc6>] ret_from_intr+0x0/0xf
<EOI> [<ffffffff80464e10>] __sched_text_start+0x5f0/0x62b
[<ffffffff80464e10>] __sched_text_start+0x5f0/0x62b
[<ffffffff80209cfc>] mwait_idle+0x43/0x4d
[<ffffffff802099fb>] enter_idle+0x22/0x24
[<ffffffff80209c4f>] cpu_idle+0x9d/0xc0
[<ffffffff80464513>] rest_init+0x57/0x59
[<ffffffff8060c82a>] start_kernel+0x2d1/0x2dd
next prev parent reply other threads:[~2007-10-03 15:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-03 11:00 [PATCH net-2.6.24 0/3]: More TCP fixes Ilpo Järvinen
2007-10-03 11:00 ` [PATCH 1/3] [TCP]: Fix two off-by-one errors in fackets_out adjusting logic Ilpo Järvinen
2007-10-03 11:00 ` [PATCH 2/3] [TCP]: Comment fastpath_cnt_hint off-by-one trap Ilpo Järvinen
2007-10-03 11:00 ` [PATCH 3/3] [TCP]: "Annotate" another fackets_out state reset Ilpo Järvinen
2007-10-08 6:38 ` David Miller
2007-10-08 6:37 ` [PATCH 2/3] [TCP]: Comment fastpath_cnt_hint off-by-one trap David Miller
2007-10-08 6:36 ` [PATCH 1/3] [TCP]: Fix two off-by-one errors in fackets_out adjusting logic David Miller
2007-10-03 11:58 ` [PATCH net-2.6.24 0/3]: More TCP fixes Cedric Le Goater
2007-10-03 12:34 ` Ilpo Järvinen
2007-10-03 12:48 ` Cedric Le Goater
2007-10-03 13:19 ` Ilpo Järvinen
2007-10-03 14:05 ` Cedric Le Goater
2007-10-03 14:22 ` Ilpo Järvinen
2007-10-03 14:58 ` Cedric Le Goater
2007-10-03 14:59 ` Cedric Le Goater
2007-10-03 15:12 ` Cedric Le Goater [this message]
2007-10-04 10:13 ` Ilpo Järvinen
2007-10-04 14:53 ` Cedric Le Goater
2007-10-04 20:20 ` [PATCH net-2.6.24] [TCP]: Fix fastpath_cnt_hint when GSO skb is partially ACKed Ilpo Järvinen
2007-10-08 6:39 ` David Miller
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