Tips for using a Webcam?

[deeplow]

On another webcam issue discussion the solution was to increase the ram of sys-usb from 300MB to 1024MB (on the Qube Settings » Advanced » Initial Memory). Maybe that helps:

Unable to connect my Webcam to any AppVM; connects and then fails

Ever since I installed Qubes on Thinkpad T480, I have not been able to use my webcam. I connect the camera to the AppVM. The webcam connects for less than a minute and then fails. The camera indicator light stays on indicating that it’s in use, but it’s no longer available for use by any AppVM software. I disconnect (using the Qubes device manager) then re-connect, and it could work for a few seconds before becoming unavailable (and busy; i.e. the camera light remains on). I tried with both Deb…