Check your DPC latency, it is one of causes for cracking sound. This is exact reason i stopped using vga passthrough for gaming..
On 2016.06.09 10:07, Abdulla Bubshait wrote: > I am not the only one who has this issue, but if you emulate an audio > card you end up with occasional crackling audio output, which is > sometimes associated with drops in FPS. > > I know there are ways to pass audio devices to the VM directly, but in > many setups it would be preferable to pass the audio to the host. > > Does anyone know the reason the audio has distortion or crackling, and > are there any known solutions to the problem? > > > _______________________________________________ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users
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