My old speaker cracks on xubuntu 18.04. Booting windows from usb the speaker are working. The pc has a asus p8p67 motherboard.
The loudspeaker cracks even if no sound is played, it looks as if the loudspeaker is plugged in new each time and the volume bar pops up every time on the right top.
lspci -v 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) Subsystem: ASUSTeK Computer Inc. 6 Series/C200 Series Chipset Family High Definition Audio Controller 01:00.1 Audio device: NVIDIA Corporation GF114 HDMI Audio Controller (rev a1) Subsystem: eVga.com. Corp. GF114 HDMI Audio Controller