Problems with Webcam and USB 3.X

[Hans Petter Selasky]

On 4/14/21 1:38 AM, Nilton Jose Rizzo wrote:
> Apr 13 20:28:43 valfenda kernel: pcm6: unregister: mixer busy
> Apr 13 20:28:43 valfenda kernel: pcm6: Waiting for sound application to exit!
> Apr 13 20:28:43 valfenda kernel: pcm6: unregister: mixer busy
> Apr 13 20:28:43 valfenda kernel: pcm6: Waiting for sound application to exit!

Hi,

You have likely a desktop mixer application which doesn't close its file 
handle. This is a known issue.

"fstat" may give the answer which application is the culpit.

--HPS