test@SSTest:~$ gdb --args /home/test/ffmpeg/ffmpeg_g -y -i /home/test/Kak_ukrast_million.avi -c:a libfaac -c:v libx264 -movflags frag_keyframe -f ismv /home/test/Kak_ukrast_million.ismv
GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
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This GDB was configured as "i686-linux-gnu".
For bug reporting instructions, please see:
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Reading symbols from /home/test/ffmpeg/ffmpeg_g...done.
(gdb) r
Starting program: /home/test/ffmpeg/ffmpeg_g -y -i /home/test/Kak_ukrast_million.avi -c:a libfaac -c:v libx264 -movflags frag_keyframe -f ismv /home/test/Kak_ukrast_million.ismv
[Thread debugging using libthread_db enabled]
ffmpeg version git-2012-02-08-3c939ad Copyright (c) 2000-2012 the FFmpeg developers
  built on Feb  8 2012 23:38:55 with gcc 4.6.1
  configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libx264 --enable-nonfree --enable-postproc --enable-version3
  libavutil      51. 38.100 / 51. 38.100
  libavcodec     54.  1.100 / 54.  1.100
  libavformat    54.  0.100 / 54.  0.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 62.100 /  2. 62.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    52.  0.100 / 52.  0.100
[mpeg4 @ 0x9043d60] Invalid and inefficient vfw-avi packed B frames detected
Input #0, avi, from '/home/test/Kak_ukrast_million.avi':
  Metadata:
    encoder         : VirtualDubMod 1.5.10.2 (build 2540/release)
  Duration: 01:58:19.44, start: 0.000000, bitrate: 1771 kb/s
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 720x304 [SAR 1:1 DAR 45:19], 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo, s16, 192 kb/s
    Stream #0:2: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo, s16, 192 kb/s
[buffer @ 0x9045f80] w:720 h:304 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:
[libx264 @ 0x909ba20] using SAR=1/1
[libx264 @ 0x909ba20] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle Cache64
[New Thread 0xb6b35b70 (LWP 1735)]
[New Thread 0xb6334b70 (LWP 1736)]
[New Thread 0xb5b33b70 (LWP 1737)]
[New Thread 0xb4ecab70 (LWP 1738)]
[libx264 @ 0x909ba20] profile High, level 3.0
[libx264 @ 0x909ba20] 264 - core 120 r2164 da19765 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[New Thread 0xb3bf1b70 (LWP 1739)]
[New Thread 0xb33f0b70 (LWP 1740)]
[New Thread 0xb2befb70 (LWP 1741)]

Program received signal SIGSEGV, Segmentation fault.
mov_write_moov_tag (pb=0x909be20, mov=0x9045ee0, s=0x909b340)
    at libavformat/movenc.c:1944
1944	        build_chunks(&mov->tracks[i]);
(gdb) q