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[Stephen Robertson <stephengrobertson@xxxxxxxxx>]

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https://bugs.launchpad.net/bugs/1040702

Title:
  mythfrontend.real crashed with SIGSEGV in mpegts_push_section()

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  New

Bug description:
  Frontend Crash on attempting playback.

  Apologies for the duplicate bugs, seem to be having problems
  generating trace info.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: mythtv-frontend 2:0.26.0~master.20120822.2ba42aa-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.26]
  ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24
  Uname: Linux 3.2.0-29-generic-pae i686
  NonfreeKernelModules: nvidia
  .var.log.mythtv.mythavtest.log:
   
  .var.log.mythtv.mythccextractor.log:
   
  .var.log.mythtv.mythfilldatabase.log:
   
  .var.log.mythtv.mythjobqueue.log:
   
  .var.log.mythtv.mythlcdserver.log:
   
  .var.log.mythtv.mythmediaserver.log:
   
  .var.log.mythtv.mythmessage.log:
   
  .var.log.mythtv.mythshutdown.log:
   
  .var.log.mythtv.mythutil.log:
   
  .var.log.mythtv.mythwelcome.log:
   
  ApportVersion: 2.0.1-0ubuntu12
  Architecture: i386
  CrashDB: mythbuntu
  Date: Thu Aug 23 15:50:11 2012
  ExecutablePath: /usr/bin/mythfrontend.real
  Installed_mythtv_dbg: 2:0.26.0~master.20120822.2ba42aa-0ubuntu0mythbuntu2
  ProcCmdline: /usr/bin/mythfrontend.real --syslog local7
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0xb5072e97 <mpegts_push_section+103>:	movzbl 0x1(%edx),%eax
   PC (0xb5072e97) ok
   source "0x1(%edx)" (0xb42cb41e) in non-readable VMA region: 0xb42cb000-0xb42cc000 ---p /usr/lib/libmythavutil.so.51.56.100
   destination "%eax" ok
  SegvReason: reading VMA /usr/lib/libmythavutil.so.51.56.100
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   mpegts_push_section (filter=0xa368b40, section=0xab8ec80 ";\260m", section_len=112) at libavformat/mpegts-mythtv.c:689
   write_section_data (s=0xb2f3f60, tss1=0xa368b40, buf=0xbfeb7745 ";\260m", buf_size=183, is_start=1) at libavformat/mpegts-mythtv.c:401
   handle_packet (ts=0xb71cea0, packet=0x1e18c028 <Address 0x1e18c028 out of bounds>) at libavformat/mpegts-mythtv.c:2535
   handle_packets (ts=0xb71cea0, nb_packets=0) at libavformat/mpegts-mythtv.c:2643
   mpegts_read_packet (s=0xb2f3f60, pkt=0xbfeb792c) at libavformat/mpegts-mythtv.c:2951
  Title: mythfrontend.real crashed with SIGSEGV in mpegts_push_section()
  UpgradeStatus: Upgraded to precise on 2012-08-13 (10 days ago)
  UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin mythtv plugdev sambashare vboxusers video

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