Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 28 Jan 2003 02:00:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 28 Jan 2003 02:00:41 -0500 Received: from gw1.cosmosbay.com ([62.23.185.226]:5550 "EHLO gw1.cosmosbay.com") by vger.kernel.org with ESMTP id ; Tue, 28 Jan 2003 02:00:38 -0500 Message-ID: <02c601c2c69c$05668d80$1d00a8c0@edumazet> From: "dada1" To: , "Christopher Faylor" Cc: , , , , References: <200301280355.GAA27468@sex.inr.ac.ru> Subject: Re: [TEST FIX] Re: SSH Hangs in 2.5.59 and 2.5.55 but not 2.4.x, through Cisco PIX Date: Tue, 28 Jan 2003 08:08:10 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: > Can you make tcpdump of this session which looks like tcpdump with -S? :-) > > > Alexey Hello Alexey I do have a lot of such hangs too. client is a linux 2.4.20 machine, but hangs were given by other OS as well. server is a linux-2.5.59 SMP machine, traffic control in operation, 07:28:28.176006 client.1022 > server.22: S 3603063450:3603063450(0) win 5840 (DF) 07:28:28.176151 server.22 > client.1022: S 420199885:420199885(0) ack 3603063451 win 5840 (DF) 07:28:28.580529 client.1022 > server.22: . ack 420199886 win 5840 (DF) 07:28:28.583078 server.22 > client.1022: P 420199886:420199909(23) ack 3603063451 win 5840 (DF) 07:28:29.006494 client.1022 > server.22: . ack 420199909 win 5840 (DF) [tos 0x10] 07:28:29.007644 client.1022 > server.22: P 3603063451:3603063472(21) ack 420199909 win 5840 (DF) [tos 0x10] 07:28:29.007743 server.22 > client.1022: . ack 3603063472 win 5840 (DF) 07:28:29.008246 server.22 > client.1022: P 420199909:420200185(276) ack 3603063472 win 5840 (DF) 07:28:29.575223 client.1022 > server.22: P 3603063472:3603063628(156) ack 420200185 win 6432 (DF) [tos 0x10] 07:28:29.576148 client.1022 > server.22: P 3603063628:3603063680(52) ack 420200185 win 6432 (DF) [tos 0x10] 07:28:29.596173 server.22 > client.1022: P 420200185:420200197(12) ack 3603063680 win 5840 (DF) 07:28:30.020642 client.1022 > server.22: P 3603063680:3603063700(20) ack 420200197 win 6432 (DF) [tos 0x10] 07:28:30.059904 server.22 > client.1022: . ack 3603063700 win 5840 (DF) 07:28:31.407346 client.1022 > server.22: P 3603063680:3603063700(20) ack 420200197 win 6432 (DF) [tos 0x10] 07:28:31.407464 server.22 > client.1022: . ack 3603063700 win 5840 (DF) 07:28:34.369344 server.22 > client.1022: P 420200197:420200209(12) ack 3603063700 win 5840 (DF) 07:28:34.784326 client.1022 > server.22: P 3603063700:3603063840(140) ack 420200209 win 6432 (DF) [tos 0x10] 07:28:34.784398 server.22 > client.1022: . ack 3603063840 win 6432 (DF) 07:28:34.786551 server.22 > client.1022: P 420200209:420200221(12) ack 3603063840 win 6432 (DF) 07:28:35.268516 client.1022 > server.22: . ack 420200221 win 6432 (DF) [tos 0x10] 07:28:38.597375 client.1022 > server.22: P 3603063840:3603063868(28) ack 420200221 win 6432 (DF) [tos 0x10] 07:28:38.605463 server.22 > client.1022: P 420200221:420200233(12) ack 3603063868 win 6432 (DF) 07:28:39.096028 client.1022 > server.22: . ack 420200233 win 6432 (DF) [tos 0x10] 07:28:39.099880 client.1022 > server.22: P 3603063868:3603064016(148) ack 420200233 win 6432 (DF) [tos 0x10] 07:28:39.101205 server.22 > client.1022: P 420200233:420200245(12) ack 3603064016 win 6432 (DF) 07:28:39.665364 client.1022 > server.22: P 3603064016:3603064028(12) ack 420200245 win 6432 (DF) [tos 0x10] 07:28:39.681917 server.22 > client.1022: P 420200245:420200377(132) ack 3603064028 win 6432 (DF) [tos 0x10] 07:28:39.957853 server.22 > client.1022: P 420200377:420200413(36) ack 3603064028 win 6432 (DF) [tos 0x10] 07:28:40.191540 client.1022 > server.22: . ack 420200377 win 7504 (DF) [tos 0x10] 07:28:40.432214 client.1022 > server.22: . ack 420200413 win 7504 (DF) [tos 0x10] 07:28:41.928298 client.1022 > server.22: P 3603064028:3603064048(20) ack 420200413 win 7504 (DF) [tos 0x10] 07:28:41.938316 server.22 > client.1022: P 420200413:420200457(44) ack 3603064048 win 6432 (DF) [tos 0x10] 07:28:42.123677 client.1022 > server.22: P 3603064048:3603064068(20) ack 420200413 win 7504 (DF) [tos 0x10] 07:28:42.134272 server.22 > client.1022: P 420200457:420200501(44) ack 3603064068 win 6432 (DF) [tos 0x10] 07:28:42.483256 client.1022 > server.22: P 3603064068:3603064108(40) ack 420200457 win 7504 (DF) [tos 0x10] 07:28:42.494187 server.22 > client.1022: P 420200501:420200569(68) ack 3603064108 win 6432 (DF) [tos 0x10] 07:28:42.679902 client.1022 > server.22: . ack 420200501 win 7504 (DF) [tos 0x10] 07:28:42.792933 client.1022 > server.22: P 3603064108:3603064128(20) ack 420200501 win 7504 (DF) [tos 0x10] 07:28:42.803135 server.22 > client.1022: P 420200569:420200613(44) ack 3603064128 win 6432 (DF) [tos 0x10] 07:28:42.825978 client.1022 > server.22: P 3603064128:3603064148(20) ack 420200501 win 7504 (DF) [tos 0x10] 07:28:42.836109 server.22 > client.1022: P 420200613:420200657(44) ack 3603064148 win 6432 (DF) [tos 0x10] 07:28:43.408817 client.1022 > server.22: P 3603064148:3603064188(40) ack 420200501 win 7504 (DF) [tos 0x10] 07:28:43.461886 server.22 > client.1022: . ack 3603064188 win 6432 (DF) [tos 0x10] 07:28:43.589866 server.22 > client.1022: P 420200501:420200569(68) ack 3603064188 win 6432 (DF) [tos 0x10] 07:28:44.087198 client.1022 > server.22: . ack 420200569 win 7504 (DF) [tos 0x10] 07:28:45.410465 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:28:49.050628 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:28:56.328994 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:29:10.886716 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:29:40.003185 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:30:38.235034 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:32:34.696797 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:34:34.678762 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:36:34.660724 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:38:34.642703 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:40:34.623666 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:42:34.605632 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:44:34.587601 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] 07:46:34.569566 server.22 > client.1022: P ack 3603064188 win 6432 (DF) [tos 0x10] netstat -an on the server tells us that 156 bytes are waiting in the send queue. 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