Sorry but I am unable to assist with this bug until after the 4th April as I have to finish my Uni Honours dissertation. I will be more than happy to help after such time.
This bug consistently appeared when changing from the internal audio, Realtek ALC269, to an external USB sound card. The following USB products where tested: * http://www.roland.com/products/en/UA-1EX/ (In basic and advanced mode) * http://www.behringer.com/EN/Products/UFO202.aspx * http://www.behringer.com/EN/Products/UCA222.aspx It was only present when changing the inputs and not outputs tab in the sound control centre. I attempted to use the original pulseaudio manager, but found it has been removed from the repositories (or I couldn't find it), in an attempt to localise if it was a pulseaudio or control-centre issue. This issue was not present when switching outputs on these cards or between internal and Bluetooth output. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/963457 Title: [soundnua]: gnome-control-center crashed with SIGSEGV in g_mutex_lock() Status in “gnome-control-center” package in Ubuntu: In Progress Bug description: When changing a audio input between two sound cards. ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: gnome-control-center 1:3.3.92-0ubuntu2 ProcVersionSignature: Ubuntu 3.2.0-20.32-generic-pae 3.2.12 Uname: Linux 3.2.0-20-generic-pae i686 ApportVersion: 1.95-0ubuntu1 Architecture: i386 Date: Fri Mar 23 20:54:51 2012 EcryptfsInUse: Yes ExecutablePath: /usr/bin/gnome-control-center InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120201.1) ProcCmdline: gnome-control-center sound-nua ProcEnviron: SHELL=/bin/bash LANGUAGE=en_GB:en LANG=en_GB.UTF-8 SegvReason: writing unknown VMA Signal: 11 SourcePackage: gnome-control-center Title: [soundnua]: gnome-control-center crashed with SIGSEGV in g_mutex_lock() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/963457/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
