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[Steve Beattie <980943@xxxxxxxxxxxxxxxxxx>]

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https://bugs.launchpad.net/bugs/980943

Title:
  ffmpeg crashed with SIGSEGV in __libc_start_main()

Status in libav package in Ubuntu:
  New

Bug description:
  ffmpeg crashed ffmpeg -i test.avi -f flv rtmp:localhost/live/test.flv

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: libav-tools 4:0.8.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  ApportVersion: 2.0.1-0ubuntu2
  Architecture: amd64
  Date: Thu Apr 12 17:05:34 2012
  ExecutablePath: /usr/bin/ffmpeg
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  ProcCmdline: ffmpeg -y -threads 2 -vf yadif=1 -i /dev/video0 -re -vcodec copy -acodec copy -f mpegts /tmp/fifo -re -vcodec copy -acodec copy -f mpegts /home/iced/nas4/live -re -acodec libmp3lame -ar 22000 -ab 48k -s 640x480 -vcodec libx264 -b 1240k -flags +loop+mv4 -cmp 256 -partitions +parti4x4+partp8x8+partb8x8 -subq 7 -trellis 1 -refs 5 -coder 0 -me_range 16 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -bt 1240k -maxrate 1240k -bufsize 1240k -rc_eq blurCplx^(1-qComp) -qcomp 0.6 -qdiff 4 -level 41 -r 25 -g 90 -async 2 -profile:v high -f flv rtmp://localhost/live/test2_1240 -re -acodec libmp3lame -ar 22000 -ab 48k -vcodec libx264 -b 1500k -r 25 -bt 1500k -maxrate 2500k -bufsize 1500k -level 41 -partitions +parti4x4+partp8x8+partb8x8 -subq 7 -trellis 1 -sc_threshold 40 -profile:v high -deinterlace -f flv rtmp://localhost/live/test2_1500
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   LANGUAGE=en_GB:en
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x40721e:	mov    0x20(%rcx),%edx
   PC (0x0040721e) ok
   source "0x20(%rcx)" (0x00000020) not located in a known VMA region (needed readable region)!
   destination "%edx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: libav
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
   ?? ()
  Title: ffmpeg crashed with SIGSEGV in __libc_start_main()
  UpgradeStatus: Upgraded to precise on 2012-02-27 (45 days ago)
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