Comment # 9
on bug 1197556
from Don Vosburg
(In reply to Frederic Crozat from comment #6)
> Whick docking station is used ?
>
> (For the record, I have a P15Gen2 + TB4 Workstation docking station)
This is exactly my setup
>
> I would suggest to open a bug for each different issue, since they touched
> various parts of the OS (or systems).
> Networking not working might be a bug in Lenovo firmware, see
> https://github.com/fwupd/firmware-lenovo/issues/191#issuecomment-1094253562
Firmware updated tonight using Windows - screenshots attached.
>
> For GNOME, it is used under Wayland or Xorg ?
Xorg - Wayland is a failed experiment for me with more drawbacks than value.
>
> There is still issue when using Wayland and nvidia driver, in hybrid display
> mode: https://gitlab.gnome.org/GNOME/mutter/-/issues/2166
>
> Try to turn off hybrid display in Firmware setting. For me, it fixes most of
> the issues (still some issues with suspend.
System Settings have been only discrete graphics from day one.
It looks like it is recognized by the OS:
dpv-p15-tumble:~ # boltctl list
��������� Lenovo ThinkPad Thunderbolt 4 Dock
������������������ type: peripheral
������������������ name: ThinkPad Thunderbolt 4 Dock
������������������ vendor: Lenovo
������������������ uuid: 0054e144-89a6-8780-ffff-ffffffffffff
������������������ generation: USB4
������������������ status: authorized
��������� ������������������ domain: 609f57dd-817b-8780-ffff-ffffffffffff
��������� ������������������ rx speed: 40 Gb/s = 2 lanes * 20 Gb/s
��������� ������������������ tx speed: 40 Gb/s = 2 lanes * 20 Gb/s
��������� ������������������ authflags: none
������������������ authorized: Thu Apr 14 04:09:43 2022
������������������ connected: Thu Apr 14 04:09:43 2022
������������������ stored: Sat Mar 26 21:07:51 2022
������������������ policy: iommu
������������������ key: no
As soon as I plug in the network cable, it kernel panics.