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 16:59:35 +0200 [thread overview]
Message-ID: <4703AE57.6050503@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)
and a second run of ketchup gave the following.
cheers,
C.
WARNING: at /home/legoater/linux/2.6.23-rc8-mm2-tcp_fastretrans/net/ipv4/tcp_ipv4.c:193 tcp_verify_fackets()
Call Trace:
<IRQ> [<ffffffff8041aa86>] tcp_verify_fackets+0x119/0x237
[<ffffffff80416e57>] tcp_fragment+0x468/0x4b8
[<ffffffff804184a5>] tcp_retransmit_skb+0xcf/0x2f4
[<ffffffff8041878d>] tcp_xmit_retransmit_queue+0xc3/0x31e
[<ffffffff8041220a>] tcp_fastretrans_alert+0xb36/0xb43
[<ffffffff80412f0f>] tcp_ack+0x5d3/0x71b
[<ffffffff80415229>] tcp_rcv_established+0x61f/0x6df
[<ffffffff8025419a>] __lock_acquire+0x8a1/0xf1b
[<ffffffff8041c7ff>] tcp_v4_do_rcv+0x3e/0x394
[<ffffffff8041d171>] tcp_v4_rcv+0x61c/0x9a9
[<ffffffff804017e3>] ip_local_deliver+0x1da/0x2a4
[<ffffffff8040214e>] ip_rcv+0x583/0x5c9
[<ffffffff8046fe43>] packet_rcv_spkt+0x19a/0x1a8
[<ffffffff803e2e1c>] netif_receive_skb+0x2cf/0x2f5
[<ffffffff88042505>] :tg3:tg3_poll+0x65d/0x8a4
[<ffffffff803e2fe8>] net_rx_action+0xb8/0x191
[<ffffffff8023a9b7>] __do_softirq+0x5f/0xe0
[<ffffffff8020c98c>] call_softirq+0x1c/0x28
[<ffffffff8020e9c3>] do_softirq+0x3b/0xb8
[<ffffffff8023aaae>] irq_exit+0x4e/0x50
[<ffffffff8020e7df>] do_IRQ+0xbd/0xd7
[<ffffffff80209cb9>] mwait_idle+0x0/0x4d
[<ffffffff8020bce6>] ret_from_intr+0x0/0xf
<EOI> [<ffffffff80209cfc>] mwait_idle+0x43/0x4d
[<ffffffff802099fb>] enter_idle+0x22/0x24
[<ffffffff80209c4f>] cpu_idle+0x9d/0xc0
[<ffffffff80479591>] rest_init+0x55/0x57
[<ffffffff8063681f>] start_kernel+0x2e0/0x2ec
[<ffffffff80636134>] _sinittext+0x134/0x13b
TCP wq(s) --S------<
TCP wq(i) h <
s1 f5 (14) p6 seq: su110259658 hs110265450 sn110278722 (0)
WARNING: at /home/legoater/linux/2.6.23-rc8-mm2-tcp_fastretrans/net/ipv4/tcp_ipv4.c:193 tcp_verify_fackets()
Call Trace:
<IRQ> [<ffffffff803250aa>] vgacon_scroll+0x188/0x1dd
[<ffffffff8041aa86>] tcp_verify_fackets+0x119/0x237
[<ffffffff80416e57>] tcp_fragment+0x468/0x4b8
[<ffffffff804184a5>] tcp_retransmit_skb+0xcf/0x2f4
[<ffffffff8041878d>] tcp_xmit_retransmit_queue+0xc3/0x31e
[<ffffffff8041220a>] tcp_fastretrans_alert+0xb36/0xb43
[<ffffffff80412f0f>] tcp_ack+0x5d3/0x71b
[<ffffffff80415229>] tcp_rcv_established+0x61f/0x6df
[<ffffffff8025419a>] __lock_acquire+0x8a1/0xf1b
[<ffffffff8041c7ff>] tcp_v4_do_rcv+0x3e/0x394
[<ffffffff8041d171>] tcp_v4_rcv+0x61c/0x9a9
[<ffffffff804017e3>] ip_local_deliver+0x1da/0x2a4
[<ffffffff8040214e>] ip_rcv+0x583/0x5c9
[<ffffffff8046fe43>] packet_rcv_spkt+0x19a/0x1a8
[<ffffffff803e2e1c>] netif_receive_skb+0x2cf/0x2f5
[<ffffffff88042505>] :tg3:tg3_poll+0x65d/0x8a4
[<ffffffff803e2fe8>] net_rx_action+0xb8/0x191
[<ffffffff8023a9b7>] __do_softirq+0x5f/0xe0
[<ffffffff8020c98c>] call_softirq+0x1c/0x28
[<ffffffff8020e9c3>] do_softirq+0x3b/0xb8
[<ffffffff8023aaae>] irq_exit+0x4e/0x50
[<ffffffff8020e7df>] do_IRQ+0xbd/0xd7
[<ffffffff80209cb9>] mwait_idle+0x0/0x4d
[<ffffffff8020bce6>] ret_from_intr+0x0/0xf
<EOI> [<ffffffff80209cfc>] mwait_idle+0x43/0x4d
[<ffffffff802099fb>] enter_idle+0x22/0x24
[<ffffffff80209c4f>] cpu_idle+0x9d/0xc0
[<ffffffff80479591>] rest_init+0x55/0x57
[<ffffffff8063681f>] start_kernel+0x2e0/0x2ec
[<ffffffff80636134>] _sinittext+0x134/0x13b
WARNING: at /home/legoater/linux/2.6.23-rc8-mm2-tcp_fastretrans/net/ipv4/tcp_ipv4.c:198 tcp_verify_fackets()
Call Trace:
<IRQ> [<ffffffff803250aa>] vgacon_scroll+0x188/0x1dd
[<ffffffff8041aad0>] tcp_verify_fackets+0x163/0x237
[<ffffffff80416e57>] tcp_fragment+0x468/0x4b8
[<ffffffff804184a5>] tcp_retransmit_skb+0xcf/0x2f4
[<ffffffff8041878d>] tcp_xmit_retransmit_queue+0xc3/0x31e
[<ffffffff8041220a>] tcp_fastretrans_alert+0xb36/0xb43
[<ffffffff80412f0f>] tcp_ack+0x5d3/0x71b
[<ffffffff80415229>] tcp_rcv_established+0x61f/0x6df
[<ffffffff8025419a>] __lock_acquire+0x8a1/0xf1b
[<ffffffff8041c7ff>] tcp_v4_do_rcv+0x3e/0x394
[<ffffffff8041d171>] tcp_v4_rcv+0x61c/0x9a9
[<ffffffff804017e3>] ip_local_deliver+0x1da/0x2a4
[<ffffffff8040214e>] ip_rcv+0x583/0x5c9
[<ffffffff8046fe43>] packet_rcv_spkt+0x19a/0x1a8
[<ffffffff803e2e1c>] netif_receive_skb+0x2cf/0x2f5
[<ffffffff88042505>] :tg3:tg3_poll+0x65d/0x8a4
[<ffffffff803e2fe8>] net_rx_action+0xb8/0x191
[<ffffffff8023a9b7>] __do_softirq+0x5f/0xe0
[<ffffffff8020c98c>] call_softirq+0x1c/0x28
[<ffffffff8020e9c3>] do_softirq+0x3b/0xb8
[<ffffffff8023aaae>] irq_exit+0x4e/0x50
[<ffffffff8020e7df>] do_IRQ+0xbd/0xd7
[<ffffffff80209cb9>] mwait_idle+0x0/0x4d
[<ffffffff8020bce6>] ret_from_intr+0x0/0xf
<EOI> [<ffffffff80209cfc>] mwait_idle+0x43/0x4d
[<ffffffff802099fb>] enter_idle+0x22/0x24
[<ffffffff80209c4f>] cpu_idle+0x9d/0xc0
[<ffffffff80479591>] rest_init+0x55/0x57
[<ffffffff8063681f>] start_kernel+0x2e0/0x2ec
[<ffffffff80636134>] _sinittext+0x134/0x13b
TCP wq(s) ---SSS-----<
TCP wq(i) hf <
s3 f7 (14) p7 seq: su110259658 hs110268346 sn110278722 (110269794)
C.
next prev parent reply other threads:[~2007-10-03 15:00 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 [this message]
2007-10-03 15:12 ` Cedric Le Goater
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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