If you still have the driver updates from the Ubuntu Audio Dev PPA installed, please remove any module options you added in /etc/modprobe.d/alsa-base.conf, reboot, and test again to see if anything has changed.
Please also run this command from a terminal: apport-collect -p alsa-base 653737
If you still have the driver updates from the Ubuntu Audio Dev PPA installed, please remove any module options you added in /etc/modprobe. d/alsa- base.conf, reboot, and test again to see if anything has changed.
Please also run this command from a terminal: apport-collect -p alsa-base 653737
affects ubuntu/alsa-driver
status incomplete