I have the same log messages. Not sure if this is relevant or will help but i also have the following issue:
Whilst i'm watching video in vlc I don't get sound alerts from pidgin. once the video stops and i close vlc it's as if i then get lots of queued up sounds all at once. it manifests itself in a very loud and very distorted alert message from pidgin. -- pulseaudio strange log messages and flickering sounds in pidgin https://bugs.launchpad.net/bugs/480802 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
