Having an issue with virt-manager not allowing USB passthrough

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For anyone who stumbles on this and wonders what to do:

  • add spice_gtk to the system-wide package list

  • add the following to the NixOS configuration file:

security.wrappers.spice-client-glib-usb-acl-helper.source = "${pkgs.spice_gtk}/bin/spice-client-glib-usb-acl-helper";

This worked for me, it’s the same as what is suggested in the GitHub linked above.

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