Public bug reported:

Binary package hint: blender

Jaunty 64 bits Blender 2.48a

Way to reproduce :
1-launch blender
2-go to render menu (F10)
3-in 'Format' choose [FFmpeg] instead of [Jpeg] for output
4-click sur [ANIM]

At the end of the first frame computation, blender crash, this does not
happen, when output to JPEG or PNG

Output of gdb :

Starting output to /tmp/0001_0250.dvd(ffmpeg)...
  Using type=1, codec=2, audio_codec=86016,
  video_bitrate=6000, audio_bitrate=128,
  gop_size=15, multiplex=0, autosplit=0
  render width=720, render height=576
[dvd @ 0x21f6fe0]Aspect ratio mismatch between encoder and muxer layer
Output #0, dvd, to '/tmp/0001_0250.dvd':
    Stream #0.0: Video: mpeg2video, yuv420p, 720x576 [PAR 1:1 DAR 5:4], q=2-31, 
6000 kb/s, 90k tbn, 25 tbc
[New Thread 0x7f7b4f632950 (LWP 12741)]
[New Thread 0x7f7b4ee31950 (LWP 12742)]
[New Thread 0x7f7b4e5c5950 (LWP 12743)]
[New Thread 0x7f7b4dc9d950 (LWP 12744)]
[Thread 0x7f7b4dc9d950 (LWP 12744) exited]
[Thread 0x7f7b4f632950 (LWP 12741) exited]
[Thread 0x7f7b4e5c5950 (LWP 12743) exited]
[Thread 0x7f7b4ee31950 (LWP 12742) exited]
[New Thread 0x7f7b4dc9d950 (LWP 12745)]
[Thread 0x7f7b4dc9d950 (LWP 12745) exited]
[New Thread 0x7f7b4e5c5950 (LWP 12747)]
[New Thread 0x7f7b4dc9d950 (LWP 12748)]
[New Thread 0x7f7b4ee31950 (LWP 12749)]
[Thread 0x7f7b4e5c5950 (LWP 12747) exited]
[New Thread 0x7f7b4f632950 (LWP 12750)]
[Thread 0x7f7b4ee31950 (LWP 12749) exited]
[Thread 0x7f7b4dc9d950 (LWP 12748) exited]
[Thread 0x7f7b4f632950 (LWP 12750) exited]
[New Thread 0x7f7b4f632950 (LWP 12751)]
[New Thread 0x7f7b4ee31950 (LWP 12752)]
[New Thread 0x7f7b4dc9d950 (LWP 12753)]
[New Thread 0x7f7b4e5c5950 (LWP 12754)]
[Thread 0x7f7b4dc9d950 (LWP 12753) exited]
[Thread 0x7f7b4e5c5950 (LWP 12754) exited]
[Thread 0x7f7b4f632950 (LWP 12751) exited]
[Thread 0x7f7b4ee31950 (LWP 12752) exited]
[New Thread 0x7f7b4dc9d950 (LWP 12755)]
[New Thread 0x7f7b4ee31950 (LWP 12756)]
[New Thread 0x7f7b4f632950 (LWP 12757)]
[Thread 0x7f7b4f632950 (LWP 12757) exited]
[Thread 0x7f7b4ee31950 (LWP 12756) exited]
[Thread 0x7f7b4dc9d950 (LWP 12755) exited]
Writing frame 1, render width=720, render height=576
[mpeg2video @ 0x1ff5080]rc buffer underflow
Video Frame PTS: 0

Program received signal SIGFPE, Arithmetic exception.
---Type <return> to continue, or q <return> to quit---
[Switching to Thread 0x7f7b5de70710 (LWP 12738)]
0x00007f7b5b96e3a4 in ?? () from /usr/lib/libavformat.so.52

** Affects: blender (Ubuntu)
     Importance: Undecided
         Status: New

-- 
blender 2.48a crash when using ffmpeg output
https://bugs.launchpad.net/bugs/348040
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