From owner-freebsd-net Tue Jan 21 8:35:57 2003 Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 67FCF37B401; Tue, 21 Jan 2003 08:35:56 -0800 (PST) Received: from out1.mx.nwbl.wi.voyager.net (out1.mx.nwbl.wi.voyager.net [169.207.3.119]) by mx1.FreeBSD.org (Postfix) with ESMTP id D024D43F18; Tue, 21 Jan 2003 08:35:55 -0800 (PST) (envelope-from silby@silby.com) Received: from [10.1.1.6] (d110.as8.nwbl0.wi.voyager.net [169.207.132.110]) by out1.mx.nwbl.wi.voyager.net (Postfix) with ESMTP id 990D1E65A4; Tue, 21 Jan 2003 10:35:53 -0600 (CST) Date: Tue, 21 Jan 2003 10:43:32 -0600 (CST) From: Mike Silbersack To: "Jacques A. Vidrine" Cc: freebsd-net@FreeBSD.org, Alex , "" Subject: Re: possible DoS in dc driver In-Reply-To: <20030121131442.GA59186@opus.celabo.org> Message-ID: <20030121104213.H2194-100000@patrocles.silby.com> References: <20030121131442.GA59186@opus.celabo.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Tue, 21 Jan 2003, Jacques A. Vidrine wrote: > Looooong, loooong ago, someone reported a dc driver bug. However, > a couple of us have tried and failed to reproduce the problem. I > thought I'd bounce the issue here before completely forgetting about > it. > > Cheers, > -- > Jacques A. Vidrine http://www.celabo.org/ FWIW, I froze a dc card in "increasing TX size" or some similar message loop the other day. However, I have no clue what part of the load testing I was doing caused it, and I have no idea how to repeat it. I bet that this exploit might be limited to a small subset of dc supported chipsets. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message