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[farnsy <715112@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I have a new nVidia GT 430 which I've configured to use HDMI to my amp
for both audio and video (using nVidia from x-swats ppa - 270.18, and
latest Alsa). If I set Upmix audio to 5.1 and start mythmusic
mythfrontend segfaults.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: mythtv-frontend 2:0.24.0+fixes.20110206.1a69c92-0ubuntu0mythbuntu2
ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10
Uname: Linux 2.6.35-25-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CrashDB: mythbuntu
Date: Tue Feb  8 21:49:37 2011
ExecutablePath: /usr/bin/mythfrontend.real
InstallationMedia: Xubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
Installed_mythtv_dbg: 2:0.24.0+fixes.20110206.1a69c92-0ubuntu0mythbuntu2
ProcCmdline: /usr/bin/mythfrontend.real
ProcEnviron:
 LANG=en_AU.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fb5a2abb5be <FreeSurround::putFrames(void*, uint, uint)+54>:	mov    0x48(%rax),%eax
 PC (0x7fb5a2abb5be) ok
 source "0x48(%rax)" (0x00000048) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 FreeSurround::putFrames (this=0x0, buffer=0x7974840, numFrames=909, numChannels=2) at freesurround.cpp:221
 AudioOutputBase::CopyWithUpmix (this=0x7628030, buffer=0x7974840 "m\201t\262", frames=909, org_waud=@0x7fb571361a3c) at audiooutputbase.cpp:1015
 AudioOutputBase::AddFrames (this=0x7628030, in_buffer=0x7b873c0, in_frames=882, timecode=0) at audiooutputbase.cpp:1165
 avfDecoder::writeBlock (this=0x7509fc0) at avfdecoder.cpp:111
 avfDecoder::run (this=0x7509fc0) at avfdecoder.cpp:466
Title: mythfrontend.real crashed with SIGSEGV in FreeSurround::putFrames()
UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare

** Affects: mythbuntu
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash maverick

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https://bugs.launchpad.net/bugs/715112

Title:
  mythfrontend crashes when Upmix to 5.1 enabled and mythmusic started

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  New

Bug description:
  I have a new nVidia GT 430 which I've configured to use HDMI to my amp
  for both audio and video (using nVidia from x-swats ppa - 270.18, and
  latest Alsa). If I set Upmix audio to 5.1 and start mythmusic
  mythfrontend segfaults.

  ProblemType: Crash
  DistroRelease: Ubuntu 10.10
  Package: mythtv-frontend 2:0.24.0+fixes.20110206.1a69c92-0ubuntu0mythbuntu2
  ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10
  Uname: Linux 2.6.35-25-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  CrashDB: mythbuntu
  Date: Tue Feb  8 21:49:37 2011
  ExecutablePath: /usr/bin/mythfrontend.real
  InstallationMedia: Xubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  Installed_mythtv_dbg: 2:0.24.0+fixes.20110206.1a69c92-0ubuntu0mythbuntu2
  ProcCmdline: /usr/bin/mythfrontend.real
  ProcEnviron:
   LANG=en_AU.utf8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7fb5a2abb5be <FreeSurround::putFrames(void*, uint, uint)+54>:	mov    0x48(%rax),%eax
   PC (0x7fb5a2abb5be) ok
   source "0x48(%rax)" (0x00000048) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   FreeSurround::putFrames (this=0x0, buffer=0x7974840, numFrames=909, numChannels=2) at freesurround.cpp:221
   AudioOutputBase::CopyWithUpmix (this=0x7628030, buffer=0x7974840 "m\201t\262", frames=909, org_waud=@0x7fb571361a3c) at audiooutputbase.cpp:1015
   AudioOutputBase::AddFrames (this=0x7628030, in_buffer=0x7b873c0, in_frames=882, timecode=0) at audiooutputbase.cpp:1165
   avfDecoder::writeBlock (this=0x7509fc0) at avfdecoder.cpp:111
   avfDecoder::run (this=0x7509fc0) at avfdecoder.cpp:466
  Title: mythfrontend.real crashed with SIGSEGV in FreeSurround::putFrames()
  UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare