From owner-freebsd-ports@FreeBSD.ORG Mon Aug 13 10:30:53 2012 Return-Path: Delivered-To: freebsd-ports@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 92234106564A; Mon, 13 Aug 2012 10:30:53 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id D6DAA8FC14; Mon, 13 Aug 2012 10:30:52 +0000 (UTC) Received: from skuns.kiev.zoral.com.ua (localhost [127.0.0.1]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id q7DAV0wj077747; Mon, 13 Aug 2012 13:31:00 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5) with ESMTP id q7DAUmVv005123; Mon, 13 Aug 2012 13:30:48 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5/Submit) id q7DAUlwM005122; Mon, 13 Aug 2012 13:30:47 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 13 Aug 2012 13:30:47 +0300 From: Konstantin Belousov To: Juergen Lock Message-ID: <20120813103047.GD2352@deviant.kiev.zoral.com.ua> References: <1361725.y2QOXzX10J@pcoliver.heesakkers.info> <20120802205625.GA43980@triton8.kn-bremen.de> <20120803142711.1cb981b3@ernst.jennejohn.org> <501BE795.8070407@gwdg.de> <20120803163633.GA2046@triton8.kn-bremen.de> <20120804110952.4f3a9cfd@ernst.jennejohn.org> <201208051531.q75FVJjO087729@triton8.kn-bremen.de> <20120805161353.GF2676@deviant.kiev.zoral.com.ua> <20120805173811.GA91260@triton8.kn-bremen.de> <20120812231335.GA35313@triton8.kn-bremen.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="TybLhxa8M7aNoW+V" Content-Disposition: inline In-Reply-To: <20120812231335.GA35313@triton8.kn-bremen.de> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.0 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: current@freebsd.org, freebsd-ports@freebsd.org, gljennjohn@googlemail.com Subject: Re: Segfault in rtld - dlopen RTLD_LAZY (was: Re: CFT: vlc 2.0.3 - want to know where it works and where only partly) X-BeenThere: freebsd-ports@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting software to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Aug 2012 10:30:53 -0000 --TybLhxa8M7aNoW+V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Aug 13, 2012 at 01:13:35AM +0200, Juergen Lock wrote: > On Sun, Aug 05, 2012 at 07:38:11PM +0200, Juergen Lock wrote: > > On Sun, Aug 05, 2012 at 07:13:53PM +0300, Konstantin Belousov wrote: > > > On Sun, Aug 05, 2012 at 05:31:19PM +0200, Juergen Lock wrote: > > > > Hi kib, -current, seems we have a segfault in rtld when updating > > > > the multimedia/vlc port from the version currently in ports to the > > > > 2.0.3 CFT version from here: > > > >=20 > > > > http://people.freebsd.org/~nox/tmp/vlc-2.0.3-006.patch > > > >=20 > > > > (If you test the LIVEMEDIA knob you also need this update: > > > >=20 > > > > http://people.freebsd.org/~nox/tmp/livemedia-20120404-001.patch > > > >=20 > > > > ) > > > Please do two things. > > >=20 > > > 1. Provide me the output of readelf -a for the module that was loaded. > > >=20 > > > 2. Recompile rtld with debug symbols and redo the build to get the us= eful > > > backtrace from core: > > > cd /usr/src/libexec/rtld-elf > > > make clean > > > make all install DEBUG_FLAGS=3D-g > > >=20 > > Ok, someone who got the crash will have to do this as I couln't > > reproduce it here (sorry forgot to say...) > >=20 > I just learned that the missing piece in reproducing this is the > pulseaudio knob, now I finally have a bt: >=20 > [...] > Loaded symbols for /libexec/ld-elf.so.1 > #0 symlook_obj (req=3D0x7fffffffbf40, obj=3D0x800640400) at /d3t/d3t/hom= e/nox/src10b/src/libexec/rtld-elf/rtld.c:3847 > 3847 for (symnum =3D obj->buckets[req->hash % obj->nbuckets]; > [New Thread 802406400 (LWP 100159/vlc-cache-gen)] > (gdb) bt > #0 symlook_obj (req=3D0x7fffffffbf40, obj=3D0x800640400) at /d3t/d3t/hom= e/nox/src10b/src/libexec/rtld-elf/rtld.c:3847 > #1 0x0000000800608ae7 in symlook_list (req=3D0x7fffffffc120, objlist=3DV= ariable "objlist" is not available. > ) at /d3t/d3t/home/nox/src10b/src/libexec/rtld-elf/rtld.c:3611 > #2 0x000000080060911b in symlook_default (req=3D0x7fffffffc1c0, refobj= =3DVariable "refobj" is not available. > ) at /d3t/d3t/home/nox/src10b/src/libexec/rtld-elf/rtld.c:3569 > #3 0x000000080060939d in find_symdef (symnum=3D15, refobj=3D0x8006fd000,= defobj_out=3D0x7fffffffc260, flags=3D0, cache=3D0x80061d000, lockstate=3D0= x7fffffffc300) > at /d3t/d3t/home/nox/src10b/src/libexec/rtld-elf/rtld.c:1541 > #4 0x0000000800603690 in reloc_non_plt (obj=3D0x8006fd000, obj_rtld=3DVa= riable "obj_rtld" is not available. > ) at /d3t/d3t/home/nox/src10b/src/libexec/rtld-elf/amd64/reloc.c:204 > #5 0x0000000800606ae8 in relocate_object (obj=3D0x8006fd000, bind_now=3D= 0 '\0', rtldobj=3D0x800819d00, flags=3D0, lockstate=3D0x7fffffffc300) > at /d3t/d3t/home/nox/src10b/src/libexec/rtld-elf/rtld.c:2433 > #6 0x00000008006084a8 in dlopen_object (name=3D0x80243ec80 "../modules/a= ccess/.libs/libpulsesrc_plugin.so", fd=3DVariable "fd" is not available. > ) > at /d3t/d3t/home/nox/src10b/src/libexec/rtld-elf/rtld.c:2392 > #7 0x0000000800608f67 in rtld_dlopen (name=3D0x80243ec80 "../modules/acc= ess/.libs/libpulsesrc_plugin.so", fd=3D-1, mode=3D1) > at /d3t/d3t/home/nox/src10b/src/libexec/rtld-elf/rtld.c:2761 > #8 0x0000000800ad377d in vlc_timer_create () from /usr/ports/multimedia/= vlc-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #9 0x0000000800ab9998 in module_gettext () from /usr/ports/multimedia/vl= c-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #10 0x0000000800aba0aa in module_list_get () from /usr/ports/multimedia/v= lc-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #11 0x0000000800ab9db1 in module_list_get () from /usr/ports/multimedia/v= lc-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #12 0x0000000800ab9db1 in module_list_get () from /usr/ports/multimedia/v= lc-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #13 0x0000000800aba17d in module_list_get () from /usr/ports/multimedia/v= lc-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #14 0x0000000800aba631 in module_list_get () from /usr/ports/multimedia/v= lc-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #15 0x0000000800a52573 in libvlc_InternalInit () from /usr/ports/multimed= ia/vlc-203a/work/vlc-2.0.3/src/.libs/libvlccore.so.6 > #16 0x00000008008227a7 in libvlc_new () from /usr/ports/multimedia/vlc-20= 3a/work/vlc-2.0.3/lib/.libs/libvlc.so.8 > #17 0x0000000000400cd4 in main () > (gdb) p obj->buckets > $1 =3D (const Elf_Hashelt *) 0x804de0160 > (gdb) p req->hash % obj->nbuckets > $2 =3D 399 > (gdb) p obj->buckets[req->hash % obj->nbuckets]=20 > Cannot access memory at address 0x804de079c > (gdb) p obj->nbuckets > $3 =3D 521 Can you show the output of "p *obj" there ? --TybLhxa8M7aNoW+V Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEYEARECAAYFAlAo11cACgkQC3+MBN1Mb4iPtQCdElyikop+24b+QZo32xEN3fSx J3oAoOZwQJtpoo2dtEHL2GogxSlnS9+6 =B9dP -----END PGP SIGNATURE----- --TybLhxa8M7aNoW+V--