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 17:12:44 +0200 Message-ID: <4703B16C.2000106@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 mtagate5.de.ibm.com ([195.212.29.154]:1577 "EHLO mtagate5.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754593AbXJCPMr (ORCPT ); Wed, 3 Oct 2007 11:12:47 -0400 Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49]) by mtagate5.de.ibm.com (8.13.8/8.13.8) with ESMTP id l93FCj7C816078 for ; Wed, 3 Oct 2007 15:12:45 GMT Received: from d12av04.megacenter.de.ibm.com (d12av04.megacenter.de.ibm.com [9.149.165.229]) by d12nrmr1607.megacenter.de.ibm.com (8.13.8/8.13.8/NCO v8.5) with ESMTP id l93FCjxG1806418 for ; Wed, 3 Oct 2007 17:12:45 +0200 Received: from d12av04.megacenter.de.ibm.com (loopback [127.0.0.1]) by d12av04.megacenter.de.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l93FCiXs001330 for ; Wed, 3 Oct 2007 17:12:45 +0200 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 >=20 > 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:23= 25 tcp_fastretrans_alert() Call Trace: [] __wake_up+0x1f/0x4c [] tcp_ack+0xcee/0x18ac [] tcp_rcv_established+0x61f/0x6df [] __lock_acquire+0x8a1/0xf1b [] tcp_v4_do_rcv+0x3e/0x394 [] tcp_v4_rcv+0x624/0x9b1 [] ip_local_deliver+0x1da/0x2a4 [] ip_rcv+0x57c/0x5c4 [] packet_rcv_spkt+0x19a/0x1a8 [] netif_receive_skb+0x2ba/0x2de [] :tg3:tg3_poll+0x65d/0x8a4 [] net_rx_action+0xb8/0x191 [] __do_softirq+0x5f/0xe0 [] call_softirq+0x1c/0x28 [] do_softirq+0x3b/0xb9 [] irq_exit+0x4e/0x50 [] do_IRQ+0xbe/0xd8 [] mwait_idle+0x0/0x4d [] ret_from_intr+0x0/0xf [] __sched_text_start+0x5f0/0x62b [] __sched_text_start+0x5f0/0x62b [] mwait_idle+0x43/0x4d [] enter_idle+0x22/0x24 [] cpu_idle+0x9d/0xc0 [] rest_init+0x57/0x59 [] start_kernel+0x2d1/0x2dd [] _sinittext+0x14e/0x155 WARNING: at /home/legoater/linux/net-2.6.24.git/net/ipv4/tcp_input.c:23= 25 tcp_fastretrans_alert() Call Trace: [] __wake_up+0x1f/0x4c [] tcp_ack+0xcee/0x18ac [] tcp_rcv_established+0x61f/0x6df [] __lock_acquire+0x8a1/0xf1b [] tcp_v4_do_rcv+0x3e/0x394 [] tcp_v4_rcv+0x624/0x9b1 [] ip_local_deliver+0x1da/0x2a4 [] ip_rcv+0x57c/0x5c4 [] packet_rcv_spkt+0x19a/0x1a8 [] netif_receive_skb+0x2ba/0x2de [] :tg3:tg3_poll+0x65d/0x8a4 [] net_rx_action+0xb8/0x191 [] __do_softirq+0x5f/0xe0 [] call_softirq+0x1c/0x28 [] do_softirq+0x3b/0xb9 [] irq_exit+0x4e/0x50 [] do_IRQ+0xbe/0xd8 [] mwait_idle+0x0/0x4d [] ret_from_intr+0x0/0xf [] __sched_text_start+0x5f0/0x62b [] __sched_text_start+0x5f0/0x62b [] mwait_idle+0x43/0x4d [] enter_idle+0x22/0x24 [] cpu_idle+0x9d/0xc0 [] rest_init+0x57/0x59 [] start_kernel+0x2d1/0x2dd