From owner-freebsd-questions@FreeBSD.ORG Mon Jul 7 18:03:31 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id A9A366F3 for ; Mon, 7 Jul 2014 18:03:31 +0000 (UTC) Received: from mailrelay007.isp.belgacom.be (mailrelay007.isp.belgacom.be [195.238.6.173]) by mx1.freebsd.org (Postfix) with ESMTP id 46DE32FDD for ; Mon, 7 Jul 2014 18:03:30 +0000 (UTC) X-Belgacom-Dynamic: yes X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlcGABjgulNbsLPm/2dsb2JhbABaFoJ4UscVAYEYF3WEAwEBBTocIxALDgoJJQ8qHgaIWQEIyVQXjyIHhEMBBJp1gUmKBIhAg0U7Lw Received: from 230.179-176-91.adsl-dyn.isp.belgacom.be (HELO kalimero.tijl.coosemans.org) ([91.176.179.230]) by relay.skynet.be with ESMTP; 07 Jul 2014 20:03:28 +0200 Received: from kalimero.tijl.coosemans.org (kalimero.tijl.coosemans.org [127.0.0.1]) by kalimero.tijl.coosemans.org (8.14.9/8.14.9) with ESMTP id s67I3Qm8011014; Mon, 7 Jul 2014 20:03:27 +0200 (CEST) (envelope-from tijl@FreeBSD.org) Date: Mon, 7 Jul 2014 20:03:26 +0200 From: Tijl Coosemans To: Joseph Olatt Subject: Re: firefox-30.0_1,1 crash youtube HTML5 videos Message-ID: <20140707200326.643890d9@kalimero.tijl.coosemans.org> In-Reply-To: <20140707155742.GA25148@eskimo.com> References: <20140707090450.GA17767@eskimo.com> <20140707114323.11a8251b@kalimero.tijl.coosemans.org> <20140707155742.GA25148@eskimo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Jul 2014 18:03:31 -0000 On Mon, 7 Jul 2014 08:57:42 -0700 Joseph Olatt wrote: > On Mon, Jul 07, 2014 at 11:43:23AM +0200, Tijl Coosemans wrote: > > On Mon, 7 Jul 2014 02:04:51 -0700 Joseph Olatt wrote: > > > Was wondering if anybody else was encountering Firefox crashing when > > > attempting to play HTML5 youtube videos? > > > > > > The system is: > > > > > > FreeBSD peace 10.0-STABLE FreeBSD 10.0-STABLE #1 r266948: Mon Jun 2 > > > 14:12:35 CDT 2014 root@peace:/usr/obj/usr/src/sys/PEACE i386 > > > > > > and Firefox is being built from source. Compiling with debug symbols and > > > getting a backtrace on the core provides: > > > > > > > > > (gdb) GNU gdb 6.1.1 [FreeBSD] > > > > > > [New Thread 28501080 (LWP 100126/firefox)] > > > (gdb) bt > > > #0 0x39144f52 in ff_ac3dsp_init_x86 () from /usr/local/lib/gstreamer-1.0/libgstlibav.so > > > #1 0x00000000 in ?? () > > > (gdb) > > > > Can you build gstreamer1-libav with debug symbols and regenerate this > > backtrace? Also, what cpu is this running on? Did you set CPUTYPE or > > CFLAGS in /etc/make.conf? > > Tijl, > > Thanks for responding. > > Strange things happen... I did the following: > > (1) I re-compiled gstreamer1-libav *with* debug symbols. > (2) Started Firefox, went to youtube and played a HTML5 video. It played > fine. Firefox did not crash. > (3) I re-compiled gstreamer1-libav *without* debug symbols. > (4) I repeated step #2. Firefox crashed at the same location as before. > (5) Repeated step #3. No crash. Strange... > > The processor type is: > > CPU: Intel(R) Core(TM)2 CPU T5600 @ 1.83GHz (1828.80-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0x6f6 Family = 0x6 Model = 0xf Stepping = 6 > > Full dmesg output is at: > > http://www.eskimo.com/~joji/dmesg.txt > > > Looks like there is a bug in gstreamer1-libav. Just don't know how to > find it if it doesn't show up when debug symbols included.. > > Suggestions? Try to build gstreamer1-libav with: make WITH_DEBUG=yes DEBUG_FLAGS="-O2 -ggdb" install