[Bug 205958] multimedia/ffmpeg libavcodec crashes with Bus error on i386 and using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205958

--- Comment #1 from otacilio.neto at bsd.com.br ---
The same error is occurring with beaglebone black.

===============================================
% ./cameraserver xareu webcam 0
Versao da avutil 3546980
Versao da avcodec 3685476
Utiliando codec H264
[libx264 @ 0x21e1f000] using cpu capabilities: ARMv6 NEON
[libx264 @ 0x21e1f000] profile High, level 1.3
Conectado ao espelho em xareu OPEN
v4l1_ioctl(fd,VIDIOCGPICT,&vp) OK
v4l1_ioctl(fd,VIDIOCSPICT,&vp) OK
v4l1_ioctl(fd,VIDIOCSWIN,&vw) OK
Webcam configurada para: 320x240 at 25 fps
av_init_packet(&pkt) OK
Bus error (core dumped)
===============================================

The system is a beaglebone black:

===============================================
% uname -a
FreeBSD beaglebone 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r292177M: Thu Dec 17
09:16:34 BRT 2015    
ota at Xbeaglebone:/root/crochet-freebsd/work/obj/arm.armv6/usr/src/sys/BEAGLEBONE-DEBUG
 arm
===============================================

ffmpeg is compiled with this options:

===============================================
% pkg info ffmpeg-2.8.3_1,1
ffmpeg-2.8.3_1,1
Name           : ffmpeg
Version        : 2.8.3_1,1
Installed on   : Wed Dec 23 02:29:19 2015 UTC
Origin         : multimedia/ffmpeg
Architecture   : freebsd:11:armv6:32:el:eabi:softfp
Prefix         : /usr/local
Categories     : multimedia net audio ipv6
Licenses       : LGPL21 and GPLv2
Maintainer     : multimedia at FreeBSD.org
WWW            : http://ffmpeg.org/
Comment        : Realtime audio/video encoder/converter and streaming server
Options        :
        AACPLUS        : off
        ALSA           : off
        AMR_NB         : off
        AMR_WB         : off
        ASS            : off
        BS2B           : off
        CACA           : off
        CDIO           : off
        CELT           : off
        DC1394         : off
        DEBUG          : off
        DOCS           : off
        FAAC           : off
        FDK_AAC        : off
        FFSERVER       : off
        FLITE          : off
        FONTCONFIG     : off
        FREETYPE       : off
        FREI0R         : off
        FRIBIDI        : off
        GME            : off
        GNUTLS         : on
        GPL3           : off
        GSM            : off
        ICONV          : on
        ILBC           : off
        JACK           : off
        LADSPA         : off
        LAME           : off
        LIBBLURAY      : off
        LIBV4L         : on
        MODPLUG        : off
        NEON           : off
        NONFREE        : on
        OPENAL         : off
        OPENCL         : off
        OPENCV         : off
        OPENGL         : off
        OPENH264       : off
        OPENJPEG       : on
        OPENSSL        : off
        OPTIMIZED_CFLAGS: on
        OPUS           : off
        PULSEAUDIO     : off
        QUVI           : off
        RTCPU          : on
        RTMP           : off
        SCHROEDINGER   : on
        SDL            : off
        SMB            : off
        SNAPPY         : off
        SPEEX          : off
        SSH            : off
        THEORA         : on
        TWOLAME        : off
        VAAPI          : off
        VDPAU          : off
        VFP            : off
        VIDSTAB        : off
        VORBIS         : on
        VO_AACENC      : off
        VO_AMRWBENC    : off
        VPX            : on
        WAVPACK        : off
        WEBP           : off
        X11GRAB        : off
        X264           : on
        X265           : on
        XCB            : off
        XVID           : on
        XVIDEO         : off
        ZMQ            : off
        ZVBI           : off
Shared Libs required:
        libgmp.so.10
Annotations    :
        cpe            : cpe:2.3:a:ffmpeg:ffmpeg:2.8.3:::::freebsd11:armv6:1
        repo_type      : binary
        repository     : bbb
Flat size      : 33.0MiB
Description    :
FFmpeg is a complete, cross-platform solution to record, convert and stream
audio and video. It includes libavcodec - the leading audio/video codec
library.

WWW: http://ffmpeg.org/

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