Public bug reported:
I see something similar (but different) to bug 1766076 on a Dell 5530:
- Using kernel 5.0.4 from UKUU (because current Ubuntu kernel suffers from
other bugs that make this dock unusable)
- BIOS 1.6.0
- TB16 dock with a single monitor on the display port, providing power, using
native enumeration setting in the BIOS
- Microsoft comfort curve keyboard, webcam, headset connected to dock USB ports
- Wired ethernet via the dock.
Keyboard stops responding frequently. There is no output in dmesg when
this happens. If I later unplug the keyboard I see a disconnection
message in dmesg and I can reconnect it to the same port. Sometimes it
works for a day after this, other times it works for <60s.
Other devices disconnect too but the pattern is different. Much more
likely to see the disconnect under heavy load, such as webcam/headset
getting disconnected during a conference call.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1822089
Title:
Frequent (silent) USB disconnects with Dell TB16 dock
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