Comment 3 for bug 1020054

It works with a following procedure.

1. comment out /etc/modprobe.d/blacklist.conf

# blacklist snd_pcsp

2. load pc speaker kernel module

$ sudo modprobe snd_pcsp

3. run beep with -e option

$ beep -e /dev/input/by-path/platform-pcspkr-event-spkr