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Date: Mon, 7 Jul 2014 11:43:23 +0200
From: Tijl Coosemans <tijl@FreeBSD.org>
To: Joseph Olatt <joji@eskimo.com>
Subject: Re: firefox-30.0_1,1 crash youtube HTML5 videos
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References: <20140707090450.GA17767@eskimo.com>
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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]
> <snip>
> [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?