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I have a Dell TB16 dock with Ethernet over USB, based on a Realtek 8152 chip.
The device appears fine in sys-usb VM using r8152 driver and ehci/xhci. So it
works fine with direct PCI access to the device.
Connecting the usb device (via 'dom0$ qvm-usb attach...') to sys-net VM triggers loading
of vhci. After some dmesg says "cannot enable. Maybe the usb cable is bad?" and
the device does not work in sys-net VM.
Blacklisting/disabling vhci-hcd in sys-net VM does not help (connecting fails
immediately). Does qubes usb attaching require vhci?
I upgraded dom0/vm kernels, BIOS -> no help.
The dock worked fine on this computer using bare-metal Ubuntu with equal kernel
version.
I would like to avoid merging sys-usb and sys-net...
Thanks for any hint.
You could leave the ethernet adapter in sys-usb, and use "qvm-prefs
sys-usb provides_network true". Then you should be able to point
sys-firewall to sys-usb as needed.
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