There are two methods of resolving this issue, any one of which is sufficient.
1) Erase ~/.asoundrc* 2) Execute: asoundconf set-default-card CMI8738MC6 ** Changed in: alsa-lib (Ubuntu) Sourcepackagename: alsa-lib => alsa-utils -- Error in almost every application that tries to use alsa https://launchpad.net/bugs/61049 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
