lik...@gmx.de:
Hi!
I've built my sys-usb now on a fedora32 template and a dvm setup
(according to this manual:
https://www.qubes-os.org/doc/disposablevm-customization/). Every
usb-device works fine except the built-in camera. The camera is being
detected during sys-usb-dvm startup, but when I try to connect it to
another AppVM, I receive the message:
"Attaching device MyDevice to AppVm failed. Error: QubesException -
Device attach failed: No device info received, connection failed, check
backend side for details."
When I switch back my usb controller to the original sys-usb, I can use
my camera by attaching it to AppVMs.
1. What is meant by backend? Is this the sys-usb or the AppVM I'm trying
the camera attach to? Which log should I look at?
2. Any ideas how to resolve that issue or how to investigate?
Best, P
Was your original sys-usb also based on fed32, and can you attach other
usb devices to AppVMs or do they all fail the same way? If not, it could
be a difference in drivers between fed32 and what you were using
previously. Also, double-check you have both qubes-usb-proxy and
qubes-input-proxy-sender installed in your template.
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