From owner-freebsd-arm@FreeBSD.ORG Thu Apr 5 10:42:41 2007 Return-Path: X-Original-To: freebsd-arm@freebsd.org Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 29E6416A401 for ; Thu, 5 Apr 2007 10:42:41 +0000 (UTC) (envelope-from mlfbsd@dong.ci0.org) Received: from dong.ci0.org (cognet.ci0.org [80.65.224.102]) by mx1.freebsd.org (Postfix) with ESMTP id 606A413C480 for ; Thu, 5 Apr 2007 10:42:39 +0000 (UTC) (envelope-from mlfbsd@dong.ci0.org) Received: from dong.ci0.org (localhost.ci0.org [127.0.0.1]) by dong.ci0.org (8.13.8/8.13.8) with ESMTP id l35B39dE035757; Thu, 5 Apr 2007 13:03:09 +0200 (CEST) (envelope-from mlfbsd@dong.ci0.org) Received: (from mlfbsd@localhost) by dong.ci0.org (8.13.8/8.13.8/Submit) id l35B35Ns035756; Thu, 5 Apr 2007 13:03:05 +0200 (CEST) (envelope-from mlfbsd) Date: Thu, 5 Apr 2007 13:03:05 +0200 From: Olivier Houchard To: Krassimir Slavchev Message-ID: <20070405110305.GA35723@ci0.org> References: <4614A512.7040503@bulinfo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4614A512.7040503@bulinfo.net> User-Agent: Mutt/1.4.1i Cc: freebsd-arm@freebsd.org, freebsd-current@freebsd.org, Warner Losh Subject: Re: tcpdump crash on arm? X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Apr 2007 10:42:41 -0000 On Thu, Apr 05, 2007 at 10:28:18AM +0300, Krassimir Slavchev wrote: > Hi, > > This is on 7.0-CURENT 4-5 days old but I have seen this for 2-3 months. > > # ./tcpdump > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on ate0, link-type EN10MB (Ethernet), capture size 96 bytes > Bus error (core dumped) > > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "arm-marcel-freebsd"... > Core was generated by `tcpdump'. > Program terminated with signal 10, Bus error. > Reading symbols from /lib/libpcap.so.4...done. > Loaded symbols for /lib/libpcap.so.4 > Reading symbols from /lib/libcrypto.so.5...done. > Loaded symbols for /lib/libcrypto.so.5 > Reading symbols from /lib/libc.so.7...done. > Loaded symbols for /lib/libc.so.7 > Reading symbols from /libexec/ld-elf.so.1...done. > Loaded symbols for /libexec/ld-elf.so.1 > #0 0x000203a4 in ether_print () > (gdb) bt > #0 0x000203a4 in ether_print () > #1 0x00020730 in ether_if_print () > #2 0x0005b594 in print_packet (user=0xbfffec18 "\020\a\002", h=0xbfffeb98, > sp=0x2040901a "") > at > /usr/src-arm/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/tcpdump.c:1241 > #3 0x200f05bc in pcap_lookupnet () from /lib/libpcap.so.4 > #4 0x200f1a2c in pcap_loop () from /lib/libpcap.so.4 > #5 0x0005c3b0 in $a () > at > /usr/src-arm/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/tcpdump.c:1050 > #6 0x0005c3b0 in $a () > at > /usr/src-arm/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/tcpdump.c:1050 > (gdb) > I remember seeing this, but I thought make worlding fixed it. Warner, do you remember what the issue was, and how/if we fixed it ? I think it had to do with the change in alignment somewhere. Olivier