I found a solution to this problem, i change ALSA for Pulse, Pulse fix every single problem that I had with my audio driver. The workaround it's in this page: http://ubuntuforums.org/showthread.php?t=776739. I hope that fix any problem you have, it worked for me, I'm so happy with it.
-- Muting Master channel doesn't mute sound https://bugs.launchpad.net/bugs/93600 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
