I can also confirm this bug on an Asus F3JM-AK022H with an Intel 82801G sound card
see my alsa info here: http://www.alsa-project.org/db/?f=1773714551780eac7f6165ba709ae9efb3743ba0
I found that if you mute the sound with the OSS Mixer, the cracking is gone but then you have no sound anymore.
I can also confirm this bug on an Asus F3JM-AK022H with an Intel 82801G sound card
see my alsa info here: http:// www.alsa- project. org/db/ ?f=177371455178 0eac7f6165ba709 ae9efb3743ba0
I found that if you mute the sound with the OSS Mixer, the cracking is gone but then you have no sound anymore.