Gray, Please check if this bug
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/226342 is a duplicate of yours. Especially, check the log recods and try a woraround I suggested in #226342 If #226342 appears the same, we'll mark it as a duplicate. -- rhythmbox freezes after playing for an hour or more and locks all sound until reboot https://bugs.launchpad.net/bugs/219848 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