Trent W. Buck <trentbuck(a)gmail.com> wrote:
Assuming your (OP's) diagnosis is correct, you can
also blacklist the
pcspkr module in /etc/modprobe.conf.d/foo.conf
Interestingly, pcspkr is loaded here, but there's no corresponding ALSA
device: the only ALSA devices are for true sound cards.
Try running aplay -l to identify the relevant hardware. It should be easy
enough to find the pertinent kernel module.