Installed the linux-alsa-driver-modules-2.6.32-19-generic package from the PPA, same symptoms.
A better/more info description: The sound started out fine after a reboot, but after about a minute it started to get a high-pitched white noise echo and then no sound at all. -- [Conexant CX20561 (Hermosa)] Playback problem - no sound or distorted sound, all sources https://bugs.launchpad.net/bugs/557006 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
