From owner-freebsd-current@FreeBSD.ORG Mon Feb 16 02:19:09 2004 Return-Path: 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 9A45D16A4D0 for ; Mon, 16 Feb 2004 02:19:09 -0800 (PST) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.189]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4124643D2F for ; Mon, 16 Feb 2004 02:19:09 -0800 (PST) (envelope-from max@love2party.net) Received: from [212.227.126.161] (helo=mrelayng.kundenserver.de) by moutng.kundenserver.de with esmtp (Exim 3.35 #1) id 1AsfqG-0006em-00 for current@freebsd.org; Mon, 16 Feb 2004 11:19:08 +0100 Received: from [217.227.154.196] (helo=vampire.homelinux.org) by mrelayng.kundenserver.de with asmtp (Exim 3.35 #1) id 1AsfqF-0006cD-00 for current@freebsd.org; Mon, 16 Feb 2004 11:19:07 +0100 Received: (qmail 38139 invoked from network); 16 Feb 2004 10:23:23 -0000 Received: from unknown (HELO fbsd52.laiers.local) (192.168.4.88) by 192.168.4.1 with SMTP; 16 Feb 2004 10:23:23 -0000 From: Max Laier To: Jiri Mikulas , Robert Watson Date: Mon, 16 Feb 2004 11:19:01 +0100 User-Agent: KMail/1.5.4 References: <40308140.6020000@mikulas.com> In-Reply-To: <40308140.6020000@mikulas.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200402161119.01876.max@love2party.net> X-Provags-ID: kundenserver.de abuse@kundenserver.de auth:e28873fbe4dbe612ce62ab869898ff08 cc: mlaier@freebsd.org cc: bms@freebsd.org cc: current@freebsd.org Subject: Re: PANIC: trap.c X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Feb 2004 10:19:09 -0000 On Monday 16 February 2004 09:37, Jiri Mikulas wrote: > Robert Watson wrote: > >On Mon, 16 Feb 2004, Jiri Mikulas wrote: > >>Hello, just only for info I got this panic on: FreeBSD 5.2-CURRENT > >> #1: Mon Feb 16 00:53:39 CET 2004 > >> > >>I built few kernels from saturday morning to sunday evening and with > >> all of them i got this panic .. (my last functional kernel is from > >> FreeBSD 5.2-CURRENT #0: Mon Feb 9 19:53:47 CET 2004) Jiri > > > >It looks like 'ifp' in ip_output.c is NULL here (the offset of > > if_hwassist is 0x98). Are you running with DUMMYNET? I'm wondering > > if the recent commit to clean up MT_TAG pseudo-mbufs has a loose end > > somewhere. Try backing ouf the following commit locally: > > > >mlaier 2004/02/13 11:14:16 PST > > > > FreeBSD src repository > > > > Modified files: > > sys/net bridge.c if_ethersubr.c > > sys/netinet in_proto.c ip_divert.c ip_dummynet.c > > ip_dummynet.h ip_fastfwd.c ip_fw.h > > ip_fw2.c ip_input.c ip_output.c ip_var.h > > tcp_debug.c tcp_input.c > > sys/sys mbuf.h > > Added files: > > sys/netinet ip_divert.h > > yes I'm runnig DUMMYNET > > >Also, it would be quite interesting to see the contents of 'inspect > > *m' and 'inspect *ro' in stack frame #6. > > ~~~cut~~~ > (kgdb) up 6 > #6 0xc05726c8 in ip_output (m=0xc10f7200, opt=0x0, ro=0xc2abab68, > flags=1, imo=0x0, inp=0x0) at /usr/src/sys/netinet/ip_output.c:983 > 983 sw_csum = m->m_pkthdr.csum_flags & ~ifp->if_hwassist; > (kgdb) inspect *m > $1 = {m_hdr = {mh_next = 0x0, mh_nextpkt = 0x0, mh_data = 0xc10f7250 > "E", mh_len = 48, mh_flags = 2, mh_type = 1}, M_dat = {MH = { > MH_pkthdr = {rcvif = 0xc27b4000, len = 48, header = 0x14, > csum_flags = 1, csum_data = 393990, tags = {slh_first = 0x0}}, MH_dat = > { MH_ext = {ext_buf = 0x1020108---Can't read userspace from dump, or > kernel process--- > > (kgdb) inspect *ro > $2 = {ro_rt = 0x0, ro_dst = {sa_len = 0 '\0', sa_family = 0 '\0', > sa_data = '\0' }} > ~~~cut~~~ > > is it all ? > thanks > Jiri Can you also provide 'args' and '*dummytag' from the same frame? Thanks in advance. -- Best regards, | mlaier@freebsd.org Max Laier | ICQ #67774661 http://pf4freebsd.love2party.net/ | mlaier@EFnet