Hi, >> After echoing 0 to the 'authorized' file, the devices disappear in >> linux from the PCI bus, but unfortunately don't show up in the >> firmware after the reboot... > Okay it may be that the USB 3 tunnel that is still up makes the CM in > BIOS to think the hardware is in unexected state or so. > > This was Thunderbolt 4 dock, right? Do you happen to have Thunderbolt 3 > device or Thunderbolt 3 active cable around? If yes then there is only > the PCIe tunnel so doing the above de-authorization should in theory > work. If no then one option is to add the ->shutdown() hook to tear down > the tunnels. I have a slightly older EliteBook with a TB3 controller. The TB4 Dock works flawlessly with this. And I have the predecessor of the TB4 Dock which also uses TB3. This works fine on the new EliteBook with the TB4 controller. Both docks have their thunderbolt cables 'built-in', so I cannot switch cables... Any more tests I could make? Thanks and best regards, Christian
