From owner-freebsd-stable@FreeBSD.ORG Thu May 19 12:56:41 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0CF7216A4CE for ; Thu, 19 May 2005 12:56:41 +0000 (GMT) Received: from postfix3-2.free.fr (postfix3-2.free.fr [213.228.0.169]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7B60543D31 for ; Thu, 19 May 2005 12:56:40 +0000 (GMT) (envelope-from tataz@tataz.chchile.org) Received: from tatooine.tataz.chchile.org (vol75-8-82-233-239-98.fbx.proxad.net [82.233.239.98]) by postfix3-2.free.fr (Postfix) with ESMTP id 490A6C109; Thu, 19 May 2005 14:56:39 +0200 (CEST) Received: by tatooine.tataz.chchile.org (Postfix, from userid 1000) id 5ADC3405A; Thu, 19 May 2005 14:56:39 +0200 (CEST) Date: Thu, 19 May 2005 14:56:39 +0200 From: Jeremie Le Hen To: Doug White Message-ID: <20050519125639.GK818@obiwan.tataz.chchile.org> References: <20050515120007.GA777@obiwan.tataz.chchile.org> <20050518155130.H87264@carver.gumbysoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050518155130.H87264@carver.gumbysoft.com> User-Agent: Mutt/1.5.9i cc: freebsd-stable@FreeBSD.org cc: Jeremie Le Hen Subject: Re: panic in recent RELENG_5 tcp code path X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 May 2005 12:56:41 -0000 Hi Doug, thanks for your answer. > Can you load a kernel.debug into gdb and do "l *(tcp_output+0xb49)" and > post the output? that offset isn't a function call in my kernel. > tcp_output() doesn't call m_copypacket directly so the exact spot is > difficult to find. %%% (gdb) l *(tcp_output+0xb49) 0xc061b63d is in tcp_output (../../../netinet/tcp_output.c:813). 808 m->m_data += max_linkhdr; 809 m->m_len = hdrlen; 810 if (len <= MHLEN - hdrlen - max_linkhdr) { 811 m_copydata(so->so_snd.sb_mb, off, (int) len, 812 mtod(m, caddr_t) + hdrlen); 813 m->m_len += len; 814 } else { 815 m->m_next = m_copy(so->so_snd.sb_mb, off, (int) len); 816 if (m->m_next == 0) { 817 SOCKBUF_UNLOCK(&so->so_snd); %%% tcp_output.c rev 1.100.2.7. -- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org >