From owner-freebsd-arm@FreeBSD.ORG Thu Apr 5 16:39:34 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 58D9D16A402; Thu, 5 Apr 2007 16:39:34 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.freebsd.org (Postfix) with ESMTP id E77CC13C4BB; Thu, 5 Apr 2007 16:39:33 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from localhost (localhost [127.0.0.1]) by harmony.bsdimp.com (8.13.8/8.13.4) with ESMTP id l35Gb86r084483; Thu, 5 Apr 2007 10:37:09 -0600 (MDT) (envelope-from imp@bsdimp.com) Date: Thu, 05 Apr 2007 10:37:08 -0600 (MDT) Message-Id: <20070405.103708.71171924.imp@bsdimp.com> To: mlfbsd@ci0.org From: Warner Losh In-Reply-To: <20070405110305.GA35723@ci0.org> References: <4614A512.7040503@bulinfo.net> <20070405110305.GA35723@ci0.org> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0 (harmony.bsdimp.com [127.0.0.1]); Thu, 05 Apr 2007 10:37:10 -0600 (MDT) Cc: freebsd-arm@freebsd.org, freebsd-current@freebsd.org 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 16:39:34 -0000 From: Olivier Houchard Subject: Re: tcpdump crash on arm? Date: Thu, 5 Apr 2007 13:03:05 +0200 > 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. I thought things were working. I'll have to check again. Warner