Hi Raymond, I've got a log as described here: https://wiki.ubuntu.com/PulseAudio/Log
Please, take a look. Thanks, Vladimir ** Attachment added: "pulseverbose.log" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1066062/+attachment/3422129/+files/pulseverbose.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1066062 Title: [quantal] Sound volume changes without user interaction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1066062/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs