From owner-freebsd-questions Fri Aug 9 08:15:24 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id IAA18822 for questions-outgoing; Fri, 9 Aug 1996 08:15:24 -0700 (PDT) Received: from root.com (implode.root.com [198.145.90.17]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id IAA18811 for ; Fri, 9 Aug 1996 08:15:20 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by root.com (8.7.5/8.6.5) with SMTP id IAA00764; Fri, 9 Aug 1996 08:14:14 -0700 (PDT) Message-Id: <199608091514.IAA00764@root.com> X-Authentication-Warning: implode.root.com: Host localhost [127.0.0.1] didn't use HELO protocol To: Kevin Martin cc: freebsd-questions@freebsd.org Subject: Re: SMC 10/100 network lockup problem In-reply-to: Your message of "Fri, 09 Aug 1996 11:02:20 EDT." <199608091502.LAA20397@alpha.pair.com> From: David Greenman Reply-To: dg@root.com Date: Fri, 09 Aug 1996 08:14:13 -0700 Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >I've occasionally seen strange behavior from a couple of FreeBSD 2.1.0 >machines using SMC 10/100 EtherPower cards on a 10baseT network. > >About one in every dozen reboots, when the network card is enabled and >ifconfig'ed, it creates a packet storm and locks up - you can only clean >things up by turning off the misbehaving machine. > >I've noticed that this does not happen with the plain 10mbps cards, and I >don't think I've seen it happen on FreeBSD 2.1.5. Before I make the >upgrade on these machines (they're not too important, except when they >misbehave), I wanted to see if anyone had seen this kind of behavior and >either knew that 2.1.5 is the fix, or that I need some special ifconfig >command (ie, "link2"?). There is a bug in the auto speed detection code that causes it to select the wrong speed. You can work around this by using the 'link2' flag to set the appropriate mode. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project