From owner-freebsd-stable@FreeBSD.ORG Fri Apr 16 12:22:30 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 46C22106566C for ; Fri, 16 Apr 2010 12:22:30 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 16CFD8FC1D for ; Fri, 16 Apr 2010 12:22:30 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id BCD1846B9E; Fri, 16 Apr 2010 08:22:29 -0400 (EDT) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPA id E13758A01F; Fri, 16 Apr 2010 08:22:28 -0400 (EDT) From: John Baldwin To: freebsd-stable@freebsd.org Date: Fri, 16 Apr 2010 08:22:09 -0400 User-Agent: KMail/1.12.1 (FreeBSD/7.3-CBSD-20100217; KDE/4.3.1; amd64; ; ) References: <4BC82B80.3070108@omnilan.de> <20100416092803.GA17526@icarus.home.lan> <4BC82FF7.1030700@omnilan.de> In-Reply-To: <4BC82FF7.1030700@omnilan.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201004160822.09359.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Fri, 16 Apr 2010 08:22:28 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: Harald Schmalzbauer , Jack Vogel , Jeremy Chadwick Subject: Re: em regression, UDP LOR followed by ssh stall X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Apr 2010 12:22:30 -0000 On Friday 16 April 2010 5:37:59 am Harald Schmalzbauer wrote: > Jeremy Chadwick schrieb am 16.04.2010 11:28 (localtime): > > On Fri, Apr 16, 2010 at 11:18:56AM +0200, Harald Schmalzbauer wrote: > >> with RELENG_8 from 6 weeks ago I never ran into the problem that my > >> ssh connection stalled. > >> With today's RELENG_8 it reproducably hangs at first login. After > >> some time I can open another ssh session which seems to stay without > >> problems, but the first sessions is always dying a few seconds after > >> login. > >> here's a LOR: > >> {snip} > > > > The e1000/em driver was recently modified (heavily). I saw the large > > number of commits come across in a csup a few weeks ago, and there's > > even more coming across in recent days (~38 hours ago): > > > > http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/e1000/ > > > > This is the 2nd problem report to come in about the recent e1000/em > > changes. Because of this, I've avoided building kernel on all of my > > systems, and would recommend others avoid doing the same until these > > problems can get worked out. > > > > Jack, can you shed some light on what's going on here? > > Som more info: > > it seems only one of my em interfaces is affected. The other interface > doesn't show any odd behaviour: > em1: port > 0x1800-0x183f mem 0xe1920000-0xe193ffff,0xe1900000-0xe191ffff irq 18 at > device 2.0 on pci3 > em1: [FILTER] > em1: Ethernet address: 00:15:17:8d:aa:d4 > > I only have one > em1: Watchdog timeout -- resetting Try pulling in the latest version of if_lem.c from HEAD. There was a bug in if_lem.c that was missing an assignment that caused spurious watchdog resets. -- John Baldwin