I've got the same problem with my realtek acl850 onboard sound. I checked alsamixer and gnome-volume-control.
-- Master Volume Doesn't effect all channels https://bugs.launchpad.net/bugs/59493 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs