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[Bug 763872] Re: mythcommflag crashed with SIGSEGV in avcodec_decode_video2()

To: mythbuntu-bugs@xxxxxxxxxxxxxxxxxxx
From: "Stuart Morgan \(MythTV\)" <763872@xxxxxxxxxxxxxxxxxx>
Date: Sun, 11 Jan 2015 23:32:50 -0000
Reply-to: Bug 763872 <763872@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: mythtv (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/763872

Title:
  mythcommflag crashed with SIGSEGV in avcodec_decode_video2()

Status in mythtv package in Ubuntu:
  Fix Released

Bug description:
  Binary package hint: mythtv

  Natty installation was performed from a LiveCD, Myth 0.24 was
  installed from Ubuntu Software Center.  Trying to determine if this
  issue is related to HVR-2250 tuner card, which stops responding
  roughly 2x per day.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: mythtv-backend 2:0.24.0+fixes.20110416.9ba3ece-0ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  CrashCounter: 1
  Date: Sat Apr 16 22:10:02 2011
  ExecutablePath: /usr/bin/mythcommflag
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
  Installed_mythtv_dbg: 0.0
  ProcCmdline: /usr/bin/mythcommflag -j 15 -V 3
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  SegvAnalysis:
   Segfault happened at: 0x7f8e138d416a:	movzbl (%rdi),%ecx
   PC (0x7f8e138d416a) ok
   source "(%rdi)" (0x7f8dfc2da017) in non-readable VMA region: 0x7f8dfc2da000-0x7f8e00000000 ---p None
   destination "%ecx" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading VMA None
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   ?? () from /usr/lib/libmythavcodec.so.52
   ?? () from /usr/lib/libmythavcodec.so.52
   ?? () from /usr/lib/libmythavcodec.so.52
   avcodec_decode_video2 () from /usr/lib/libmythavcodec.so.52
   AvFormatDecoder::ProcessVideoPacket(AVStream*, AVPacket*) () from /usr/lib/libmythtv-0.24.so.0
  Title: mythcommflag crashed with SIGSEGV in avcodec_decode_video2()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: audio cdrom dialout video

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