From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cedric Le Goater Subject: Re: [PATCH net-2.6.24 0/3]: More TCP fixes Date: Wed, 03 Oct 2007 16:59:35 +0200 Message-ID: <4703AE57.6050503@fr.ibm.com> References: <1191409218982-git-send-email-ilpo.jarvinen@helsinki.fi> <470383D4.9060307@free.fr> <47038FAB.9020106@free.fr> <4703A1BB.1040006@free.fr> <4703AE04.5090009@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: =?ISO-8859-1?Q?Ilpo_J=E4rvinen?= , David Miller , Netdev To: Cedric Le Goater Return-path: Received: from mtagate1.uk.ibm.com ([195.212.29.134]:29613 "EHLO mtagate1.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754105AbXJCPAM (ORCPT ); Wed, 3 Oct 2007 11:00:12 -0400 Received: from d06nrmr1407.portsmouth.uk.ibm.com (d06nrmr1407.portsmouth.uk.ibm.com [9.149.38.185]) by mtagate1.uk.ibm.com (8.13.8/8.13.8) with ESMTP id l93F0BFv129442 for ; Wed, 3 Oct 2007 15:00:11 GMT Received: from d06av03.portsmouth.uk.ibm.com (d06av03.portsmouth.uk.ibm.com [9.149.37.213]) by d06nrmr1407.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v8.5) with ESMTP id l93F0Bn52732046 for ; Wed, 3 Oct 2007 16:00:11 +0100 Received: from d06av03.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av03.portsmouth.uk.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l93ExsNe010867 for ; Wed, 3 Oct 2007 15:59:54 +0100 In-Reply-To: <4703AE04.5090009@free.fr> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Cedric Le Goater wrote: > Ilpo J=E4rvinen wrote: >> On Wed, 3 Oct 2007, Cedric Le Goater wrote: >> >>> Ilpo J=E4rvinen wrote: >>>> Ah, that's path 1) then... Since you seem to have enough time, I w= ould say=20 >>>> that the path 1 is good as well and bugs unrelated to the fix will= show up=20 >>>> there too... >>> arg. yes. sorry for the confusion. >>> >>>> I should have stated it explicitly that with path 2 those 3 patche= s should=20 >>>> not be applied because the aim is not a fix but reproducal. Path 2= was=20 >>>> intentionally left without the potentional fix as then nice backtr= ace=20 >>>> informs when we can stop trying (which would hopefully occurred=20 >>>> 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) >=20 > Below are the messages I got on 2) right after running ketchup (which= does=20 > a wget www.kernel.org)=20 and a second run of ketchup gave the following. cheers, C. WARNING: at /home/legoater/linux/2.6.23-rc8-mm2-tcp_fastretrans/net/ipv= 4/tcp_ipv4.c:193 tcp_verify_fackets() Call Trace: [] tcp_verify_fackets+0x119/0x237 [] tcp_fragment+0x468/0x4b8 [] tcp_retransmit_skb+0xcf/0x2f4 [] tcp_xmit_retransmit_queue+0xc3/0x31e [] tcp_fastretrans_alert+0xb36/0xb43 [] tcp_ack+0x5d3/0x71b [] tcp_rcv_established+0x61f/0x6df [] __lock_acquire+0x8a1/0xf1b [] tcp_v4_do_rcv+0x3e/0x394 [] tcp_v4_rcv+0x61c/0x9a9 [] ip_local_deliver+0x1da/0x2a4 [] ip_rcv+0x583/0x5c9 [] packet_rcv_spkt+0x19a/0x1a8 [] netif_receive_skb+0x2cf/0x2f5 [] :tg3:tg3_poll+0x65d/0x8a4 [] net_rx_action+0xb8/0x191 [] __do_softirq+0x5f/0xe0 [] call_softirq+0x1c/0x28 [] do_softirq+0x3b/0xb8 [] irq_exit+0x4e/0x50 [] do_IRQ+0xbd/0xd7 [] mwait_idle+0x0/0x4d [] ret_from_intr+0x0/0xf [] mwait_idle+0x43/0x4d [] enter_idle+0x22/0x24 [] cpu_idle+0x9d/0xc0 [] rest_init+0x55/0x57 [] start_kernel+0x2e0/0x2ec [] _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/ipv= 4/tcp_ipv4.c:193 tcp_verify_fackets() Call Trace: [] vgacon_scroll+0x188/0x1dd [] tcp_verify_fackets+0x119/0x237 [] tcp_fragment+0x468/0x4b8 [] tcp_retransmit_skb+0xcf/0x2f4 [] tcp_xmit_retransmit_queue+0xc3/0x31e [] tcp_fastretrans_alert+0xb36/0xb43 [] tcp_ack+0x5d3/0x71b [] tcp_rcv_established+0x61f/0x6df [] __lock_acquire+0x8a1/0xf1b [] tcp_v4_do_rcv+0x3e/0x394 [] tcp_v4_rcv+0x61c/0x9a9 [] ip_local_deliver+0x1da/0x2a4 [] ip_rcv+0x583/0x5c9 [] packet_rcv_spkt+0x19a/0x1a8 [] netif_receive_skb+0x2cf/0x2f5 [] :tg3:tg3_poll+0x65d/0x8a4 [] net_rx_action+0xb8/0x191 [] __do_softirq+0x5f/0xe0 [] call_softirq+0x1c/0x28 [] do_softirq+0x3b/0xb8 [] irq_exit+0x4e/0x50 [] do_IRQ+0xbd/0xd7 [] mwait_idle+0x0/0x4d [] ret_from_intr+0x0/0xf [] mwait_idle+0x43/0x4d [] enter_idle+0x22/0x24 [] cpu_idle+0x9d/0xc0 [] rest_init+0x55/0x57 [] start_kernel+0x2e0/0x2ec [] _sinittext+0x134/0x13b WARNING: at /home/legoater/linux/2.6.23-rc8-mm2-tcp_fastretrans/net/ipv= 4/tcp_ipv4.c:198 tcp_verify_fackets() Call Trace: [] vgacon_scroll+0x188/0x1dd [] tcp_verify_fackets+0x163/0x237 [] tcp_fragment+0x468/0x4b8 [] tcp_retransmit_skb+0xcf/0x2f4 [] tcp_xmit_retransmit_queue+0xc3/0x31e [] tcp_fastretrans_alert+0xb36/0xb43 [] tcp_ack+0x5d3/0x71b [] tcp_rcv_established+0x61f/0x6df [] __lock_acquire+0x8a1/0xf1b [] tcp_v4_do_rcv+0x3e/0x394 [] tcp_v4_rcv+0x61c/0x9a9 [] ip_local_deliver+0x1da/0x2a4 [] ip_rcv+0x583/0x5c9 [] packet_rcv_spkt+0x19a/0x1a8 [] netif_receive_skb+0x2cf/0x2f5 [] :tg3:tg3_poll+0x65d/0x8a4 [] net_rx_action+0xb8/0x191 [] __do_softirq+0x5f/0xe0 [] call_softirq+0x1c/0x28 [] do_softirq+0x3b/0xb8 [] irq_exit+0x4e/0x50 [] do_IRQ+0xbd/0xd7 [] mwait_idle+0x0/0x4d [] ret_from_intr+0x0/0xf [] mwait_idle+0x43/0x4d [] enter_idle+0x22/0x24 [] cpu_idle+0x9d/0xc0 [] rest_init+0x55/0x57 [] start_kernel+0x2e0/0x2ec [] _sinittext+0x134/0x13b TCP wq(s) ---SSS-----< TCP wq(i) hf < s3 f7 (14) p7 seq: su110259658 hs110268346 sn110278722 (110269794) C.