> Have you changed the devices assigned to sys-usb? If so, it's possible you're
> running into a pci_strictreset issue here? Try running this in dom0 (but
> before you do, make sure you understand the risks [1]):
>
> $ qvm-prefs -s sys-usb pci_strictreset false
>
> Then try starting sys-usb
When I first installed Qubes (3.2), I could attach and detach block devices
without errors and mount flash drives in VM's. I wanted to use my external
keyboard with my laptop so followed the steps in the guide
(https://www.qubes-os.org/doc/usb/) for "Creating and Using a USB qube" (using
the
