From owner-freebsd-current@FreeBSD.ORG Mon Nov 17 00:03:05 2003 Return-Path: <owner-freebsd-current@FreeBSD.ORG> Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DCE6D16A52E; Mon, 17 Nov 2003 00:03:05 -0800 (PST) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.184]) by mx1.FreeBSD.org (Postfix) with ESMTP id F0A4743F3F; Mon, 17 Nov 2003 00:03:04 -0800 (PST) (envelope-from max@love2party.net) Received: from [212.227.126.209] (helo=mrelayng.kundenserver.de) by moutng8.kundenserver.de with esmtp (Exim 3.35 #1) id 1ALeLc-00046M-00; Mon, 17 Nov 2003 09:03:00 +0100 Received: from [80.131.145.180] (helo=max2400) by mrelayng.kundenserver.de with asmtp (Exim 3.35 #1) id 1ALeLb-00008g-00; Mon, 17 Nov 2003 09:02:59 +0100 Date: Mon, 17 Nov 2003 09:02:56 +0100 From: Max Laier <max@love2party.net> X-Mailer: The Bat! (v2.00) UNREG / CD5BF9353B3B7091 Organization: n/a X-Priority: 3 (Normal) Message-ID: <4212255218.20031117090256@love2party.net> To: Andreas Kohn <andreas.kohn@gmx.net> In-Reply-To: <1069053107.706.10.camel@klamath> References: <1069053107.706.10.camel@klamath> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit cc: sam@freebsd.org cc: andre@freebsd.org cc: current@freebsd.org Subject: Re: Panic in ip_input X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Max Laier <max@love2party.net> List-Id: Discussions about the use of FreeBSD-current <freebsd-current.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current> List-Post: <mailto:freebsd-current@freebsd.org> List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=subscribe> X-List-Received-Date: Mon, 17 Nov 2003 08:03:06 -0000 Hello Andreas, Monday, November 17, 2003, 8:11:47 AM, you wrote: AK> #7 0xc05ed8a9 in ip_input (m=0x0) at AK> /usr/src/sys/netinet/ip_input.c:364 AK> #8 0xc05e6292 in div_output (so=0xc2f11d20, m=0xc16d6600, AK> sin=0xc2d834b0, AK> control=0x0) at /usr/src/sys/netinet/ip_divert.c:364 AK> (kgdb) frame 7 AK> #7 0xc05ed8a9 in ip_input (m=0x0) at AK> /usr/src/sys/netinet/ip_input.c:364 AK> 364 m_free(m0); AK> (kgdb) p m0 AK> $1 = (struct mbuf *) 0x0 AK> (kgdb) l AK> 359 AK> 360 m0 = m; AK> 361 m = m->m_next; AK> 362 /* XXX: This is set by ip_fastforward */ AK> 363 if (m0->m_nextpkt == (struct mbuf *)1) AK> 364 m_free(m0); AK> 365 } AK> 366 AK> 367 M_ASSERTPKTHDR(m); AK> 368 AK> This panic is relatively easy to recreate. AK> Some data points: AK> The machine is an Athlon Thunderbird 1200 (CPUTYPE=athlon-tbird in AK> make.conf), the NIC is a Realtek 8139. AK> net.inet.ip.fastforwarding is 0. AK> I have a dump available (256M). What can I do to help fix this problem? What rev. of ip_input.c is this? Looks like head. Rev. 1.253 mangled the for(;;) in a strange way and added that very strange check ... can somebody just kill these bastard MT_TAG thing in flavour for real mbuf_tags, now? Please! -- Best regards, Max mailto:max@love2party.net