On 1/2/19 11:24 PM, haaber wrote:

Try these:
As root rmmod pcspkr, should stop it in running machine.
Edit /etc/modprobe.d/blacklist, and insert a line:
blacklist pcspkr
That helps in dom0 terminal, but neither on dom0 login screen nor dom0
xterm. Funny.

If that doesnt work, put the rmmod command in a startup script.
I'd love to place it in /etc/rc.local -- but there is none! Can I create
it??  Can I blacklist it somewhere else on boot (grub??)

The ultimate sanction is to unplug the leads to the internal speaker
from motherboard.
Yes. That would be a joyful step, too. I am afraid if I have to cut the red
or the blue cable first, to avoid detonantion :))  Let us try startup
scripts first ...  Bernhard

Can you check with lsmod to see if pcspkr is being loaded?

Yes, despite /etc/modprobe.d/blacklist it is being loaded. I remove it manually with rmmod in the momemt but that is odd. This is why I earch where to put a line in some init script ..  Bernhard

Not sure if you managed to blacklist the pcspkr module ; if not you could try to mute the beep: in dom0, run alsamixer (you may have several cards, for instance I have to run `alsamixer -c1` because the first card is my hdmi port). There should be a "beep" column - navigate to it and press "M" to toggle mute.

If that works, the mixer settings should be saved automatically on shutdown by the alsa-state systemd service but you can store the settings manually with `sudo alsactl store`.

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