I ran: $ sudo lsof |grep /dev/snd/ Turned out gnumeric was using: /dev/snd/timer /dev/snd/pcmC0D0p /dev/snd/controlC0 After killing it my sound came right back. Hope this helps.
I ran:
$ sudo lsof |grep /dev/snd/
Turned out gnumeric was using:
/dev/snd/timer
/dev/snd/pcmC0D0p
/dev/snd/controlC0
After killing it my sound came right back. Hope this helps.