From owner-freebsd-stable@FreeBSD.ORG Wed Nov 10 01:10:10 2004 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 4008916A4CE for ; Wed, 10 Nov 2004 01:10:10 +0000 (GMT) Received: from rproxy.gmail.com (rproxy.gmail.com [64.233.170.199]) by mx1.FreeBSD.org (Postfix) with ESMTP id BFDB343D5F for ; Wed, 10 Nov 2004 01:10:09 +0000 (GMT) (envelope-from avleeuwen@gmail.com) Received: by rproxy.gmail.com with SMTP id 1so287302rny for ; Tue, 09 Nov 2004 17:10:09 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=TMNMXsBqaI0XzYCdjCtNH2fbjCdL9D2/xuJc7p0x7i8Zy7zX65cW5gANy9XI9GC+KK5g4WC1mNIe9PP3uTHOcgNLUHUEeKbIzA44RmmiUSHPenrHvbco/JVw8InKfHZ1UiQIisk/Dt86GOz/jvmm4bQaPPJHMeOiSD5+R+fMiSM= Received: by 10.38.10.71 with SMTP id 71mr504809rnj; Tue, 09 Nov 2004 17:10:09 -0800 (PST) Received: by 10.38.206.31 with HTTP; Tue, 9 Nov 2004 17:10:09 -0800 (PST) Message-ID: Date: Wed, 10 Nov 2004 02:10:09 +0100 From: Arjan Van Leeuwen To: Robert Watson In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: cc: freebsd-stable@freebsd.org Subject: Re: Panic in 5.3, related to network traffic X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Arjan Van Leeuwen List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Nov 2004 01:10:10 -0000 Never mind, I think I've figured it out. I hope this helps: winston# addr2line -f -e kernel.debug.20041109 0xc06544a0 m_copydata /usr/src/sys/sys/libkern.h:56 winston# addr2line -f -e kernel.debug.20041109 0xC06AF6A5 icmp_error ./machine/endian.h:171 winston# addr2line -f -e kernel.debug.20041109 0xC06B1AE9 ip_forward /usr/src/sys/netinet/ip_input.c:1879 winston# addr2line -f -e kernel.debug.20041109 0xC06B06F3 ip_input /usr/src/sys/netinet/ip_input.c:642 winston# addr2line -f -e kernel.debug.20041109 0xC06912AF netisr_processqueue /usr/src/sys/net/netisr.c:229 winston# addr2line -f -e kernel.debug.20041109 0xC06914AA swi_net /usr/src/sys/net/netisr.c:346 winston# addr2line -f -e kernel.debug.20041109 0xC060BED9 ithread_loop /usr/src/sys/kern/kern_intr.c:548 On Wed, 10 Nov 2004 01:41:21 +0100, Arjan Van Leeuwen wrote: > On Tue, 9 Nov 2004 23:33:15 +0000 (GMT), Robert Watson > wrote: > > > > > > > > On Tue, 9 Nov 2004, Arjan Van Leeuwen wrote: > > > (...) > > > > Could you send a copy of your dmesg? Could you also use gdb on a kernel > > with debug symbols or addr2line to convert the function+offsets in the > > trace to file and line number in the source? This is a NULL pointer > > dereference, so presumably somewhere there is a poor assumption about > > memory allocation or the like. > > dmesg is attached. > > # addr2line -e kernel.debug.20041109 0xc06544a0 > /usr/src/sys/sys/libkern.h:56 > > How do I get the function+offsets? > > Thanks, > > Arjan > > > > > > > Thanks, > > > > Robert N M Watson FreeBSD Core Team, TrustedBSD Projects > > robert@fledge.watson.org Principal Research Scientist, McAfee Research > > > > > > >