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Message-ID: <4703AE57.6050503@fr.ibm.com> Date: Wed, 03 Oct 2007 16:59:35 +0200 From: Cedric Le Goater <clg@...ibm.com> To: Cedric Le Goater <legoater@...e.fr> CC: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>, David Miller <davem@...emloft.net>, Netdev <netdev@...r.kernel.org> Subject: Re: [PATCH net-2.6.24 0/3]: More TCP fixes 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. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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