> No but this is not the "final" solution - just an experiment. > > Okay so we have this: > > - When both Linux and Windows uses the same firmware connection manager > all work. > > - If you install Windows 11 (or whatever the fresh one is that actually > supports USB4 and software connection manager) you end up in the > exact same situation. I'm running Win10 22H2 on this machine... I could upgrade to Win11 if this helps. > Can you try following: > > 1. Go back to CONFIG_USB4=m > 2. Boot the system up > 3. Check that the PCIe tunneling is up and things work as expected > 4. Unplug the dock > 5. Unload the Thunderbolt driver > > # rmmod thunderbolt > > 6. Plug the dock back > 7. Soft reboot the system > > Does this make the PXE boot see the connected device? After these steps the firmware sees the connected device! If I just remove the module without un- and re-plugging the cable, the connection is not there in the firmware after the reboot. Christian