From owner-freebsd-arm@FreeBSD.ORG Fri Feb 19 12:08:03 2010 Return-Path: Delivered-To: arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D5DC51065693; Fri, 19 Feb 2010 12:08:03 +0000 (UTC) (envelope-from ticso@cicely7.cicely.de) Received: from raven.bwct.de (raven.bwct.de [85.159.14.73]) by mx1.freebsd.org (Postfix) with ESMTP id 77E418FC0C; Fri, 19 Feb 2010 12:08:02 +0000 (UTC) Received: from mail.cicely.de ([10.1.1.37]) by raven.bwct.de (8.13.4/8.13.4) with ESMTP id o1JC7wWf000856 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 19 Feb 2010 13:07:58 +0100 (CET) (envelope-from ticso@cicely7.cicely.de) Received: from cicely7.cicely.de (cicely7.cicely.de [10.1.1.9]) by mail.cicely.de (8.14.3/8.14.3) with ESMTP id o1JC7uYP003806 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 19 Feb 2010 13:07:56 +0100 (CET) (envelope-from ticso@cicely7.cicely.de) Received: from cicely7.cicely.de (localhost [127.0.0.1]) by cicely7.cicely.de (8.14.2/8.14.2) with ESMTP id o1JC7tpZ091433; Fri, 19 Feb 2010 13:07:55 +0100 (CET) (envelope-from ticso@cicely7.cicely.de) Received: (from ticso@localhost) by cicely7.cicely.de (8.14.2/8.14.2/Submit) id o1JC7ttD091432; Fri, 19 Feb 2010 13:07:55 +0100 (CET) (envelope-from ticso) Date: Fri, 19 Feb 2010 13:07:55 +0100 From: Bernd Walter To: "M. Warner Losh" Message-ID: <20100219120754.GE43625@cicely7.cicely.de> References: <20100218131010.GQ50403@deviant.kiev.zoral.com.ua> <20100219031200.GY43625@cicely7.cicely.de> <20100219033000.GZ43625@cicely7.cicely.de> <20100218.204739.680961627231021262.imp@bsdimp.com> <20100219041200.GC43625@cicely7.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100219041200.GC43625@cicely7.cicely.de> X-Operating-System: FreeBSD cicely7.cicely.de 7.0-STABLE i386 User-Agent: Mutt/1.5.11 X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED=-1.8, BAYES_00=-2.599 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on spamd.cicely.de Cc: kostikbel@gmail.com, arm@freebsd.org, ticso@cicely7.cicely.de, ticso@cicely.de, current@freebsd.org Subject: Re: bind fails with sig11 on start / pthread failure on ARM? X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ticso@cicely.de List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Feb 2010 12:08:04 -0000 On Fri, Feb 19, 2010 at 05:12:06AM +0100, Bernd Walter wrote: > On Thu, Feb 18, 2010 at 08:47:39PM -0700, M. Warner Losh wrote: > > In message: <20100219033000.GZ43625@cicely7.cicely.de> > > Bernd Walter writes: > > : Warner - it names you in the copyright, so very likely you know this code. > > : I will build a debug version of bind, but as usual it will take some > > : time... > > > > Make sure that the code matches our current atomics code... > > There are just 3 functions. > isc_atomic_xadd and isc_atomic_store just wrap to atomic_fetchadd_int and > atomic_store_rel_int > isc_atomic_cmpxchg is inline assembly, but I don't think we have such a > function in our ARM atomic.h - at least I can't find it. #0 0x0015521c in isc_atomic_cmpxchg (p=0x155214, cmpval=0, val=1) at atomic.h:75 75 } [New Thread 20804500 (LWP 100100)] [New Thread 208043c0 (LWP 100099)] [New Thread 20804280 (LWP 100098)] [New Thread 20804140 (LWP 100043)] (gdb) bt #0 0x0015521c in isc_atomic_cmpxchg (p=0x155214, cmpval=0, val=1) at atomic.h:75 #1 0x00155a20 in isc_rwlock_lock (rwl=0x1c0fd4, type=isc_rwlocktype_write) at /data/builder/arm-current/head/lib/bind/isc/../../../contrib/bind9/lib/isc/rwlock.c:325 #2 0x000f8144 in dns_db_register (name=0x173fe8 "_builtin", create=0x4d46c , driverarg=0x2092b078, mctx=0x2080e0c0, dbimp=0x2092b08c) at /data/builder/arm-current/head/lib/bind/dns/../../../contrib/bind9/lib/dns/db.c:821 #3 0x0004d0b4 in dns_sdb_register (drivername=0x173fe8 "_builtin", methods=Variable "methods" is not available. ) at /data/builder/arm-current/head/lib/bind/dns/../../../contrib/bind9/lib/dns/sdb.c:239 #4 0x0000c96c in ns_builtin_init () at /data/builder/arm-current/head/usr.sbin/named/../../contrib/bind9/bin/named/builtin.c:296 #5 0x0001a97c in $a () at /data/builder/arm-current/head/usr.sbin/named/../../contrib/bind9/bin/named/main.c:741 #6 0x0001a97c in $a () at /data/builder/arm-current/head/usr.sbin/named/../../contrib/bind9/bin/named/main.c:741 (gdb) print p $1 = (isc_int32_t *) 0x155214 (gdb) print *p $2 = -498139128 (gdb) Initially it looks like a valid pointer. But it also looks like a pointer in codespace, which of course would be non-writeable and can't be updated. -- B.Walter http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.