From owner-freebsd-current Sat May 5 16: 5:15 2001 Delivered-To: freebsd-current@freebsd.org Received: from InterJet.dellroad.org (adsl-63-194-81-26.dsl.snfc21.pacbell.net [63.194.81.26]) by hub.freebsd.org (Postfix) with ESMTP id ACC1537B422 for ; Sat, 5 May 2001 16:05:13 -0700 (PDT) (envelope-from archie@dellroad.org) Received: from arch20m.dellroad.org (arch20m.dellroad.org [10.1.1.20]) by InterJet.dellroad.org (8.9.1a/8.9.1) with ESMTP id QAA81192; Sat, 5 May 2001 16:05:13 -0700 (PDT) Received: (from archie@localhost) by arch20m.dellroad.org (8.11.3/8.11.3) id f45N4RO00676; Sat, 5 May 2001 16:04:27 -0700 (PDT) (envelope-from archie) From: Archie Cobbs Message-Id: <200105052304.f45N4RO00676@arch20m.dellroad.org> Subject: Re: panic in fxp driver In-Reply-To: <200105031828.f43ISSi06097@prism.flugsvamp.com> "from Jonathan Lemon at May 3, 2001 01:28:28 pm" To: Jonathan Lemon Date: Sat, 5 May 2001 16:04:27 -0700 (PDT) Cc: tlambert@primenet.com, current@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL82 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Jonathan Lemon writes: > >Please consider the case where there are two mbuf chains being > >transmitted, which look like this: > > Um. "Not Possible". I thought m_copypacket() of a cluster mbuf would yield exactly this situation (two headers pointing to the same data region). -Arcihe __________________________________________________________________________ Archie Cobbs * Packet Design * http://www.packetdesign.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message