[vfio-users] HDMI audio distortion and crackle randomly

[Okky Hendriansyah]

> On Dec 19, 2015, at 12:51, nahoxou at netcourrier.com wrote:
> Hi, 
> I have now upgraded virtual machine from win8 to win10 but I have still this HDMI audio issue.
> It seems my linux vm not affected by that.
> I use VGA passthrough so not soundhw hda...
> Sometimes if I'm lucky I can get back to normal the sound when reinit "NVIDIA High Definition Audio" device but reboot vm is the best.
> I tried different configs in win audio settings but nothing and I haven't another audio card to check.
> This issue appears randomly during session, idle or not...
> 
> Does anyone know please if it's vfio related? 

Hi,

Have you tried enabling MSI on the GPU? [1][2]

[1] http://vfio.blogspot.com/2014/09/vfio-interrupts-and-how-to-coax-windows.html
[2] https://virtualkvm.com/viewtopic.php?id=11

Best regards,
Okky Hendriansyah