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Currently, the only thing which works on this thunderbolt lenovo p52 docking station /ubuntu-18.04 is HDMI. All USBs and ethernet are "dead". Some comments claims, that these docking stations works in linux only after reboot(unplugging=reboot, plugging in=reboot), but I cannot confirm even that. For me it's just a dysfunctional brick.

Is there anything I can do to make it work?

Martin Mucha
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2 Answers2

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I managed to get it working: I had to do following changes in bios:

enable thunderbolt assistant enable preboot disable all thunderbold related security

after that my docking station of P52 works. But I'm using only USB ports (did not work before, works now), ethernet (same), and HDMI (worked even before). So it might have been related to that security, as I did not allow any of these devices, and out hdmi probably do not need authorization. Nevermind, it's working now.

but if someone have some hints how thunderbold device authorization (~security) works in linux, I'd be thankful for that.

Martin Mucha
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What is the version of your kernel ? Is it the latest version - 4.15.0.44 ? If so, maybe it's the same error that i had. I had to downgrade the kernel on 4.15.0.43 because the 4.15.0.44 broke the thunderbolt support...

Hope this will help you.

Michel P.
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