[LAU] Subject=Re: Cracking sound via USB (ALSA urb.c:480: frame 5 active: -18)

[Aurélien Leblond]

> What is the KMS option ?

The KMS option is for the graphic card.
It stands for KernelModeSetting and enables "cool stuff" on your graphic card.

If you have a radeon try adding "radeon.modeset=0" to the end of your
kernel line in grub...