Public bug reported:
I am using a Dell XPS 13 (9370) connected to a Caldigit TS3 Plus
thunderbolt dock. On this dock I have two monitors connected. One is
connected to the display port of the dock, the second one is connected
to an USB-C Thunderbolt port using an USB-C to mini DP adapter.
The second monitor is only detected, when I _first_ plug in the adapter
and _then_ plug in the the cable to the adapter. This also only works
when the system has booted _and_ I am logged in. I already disabled
thunderbolt security completely in UEFI. Once the monitor has been
detected it is also working during boot, when I restart the system.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Attachment added: "issue_logs"
https://bugs.launchpad.net/bugs/1817070/+attachment/5240662/+files/display_issue_logs.zip
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https://bugs.launchpad.net/bugs/1817070
Title:
Thunderbolt display not detected
Status in linux package in Ubuntu:
Incomplete
Bug description:
I am using a Dell XPS 13 (9370) connected to a Caldigit TS3 Plus
thunderbolt dock. On this dock I have two monitors connected. One is
connected to the display port of the dock, the second one is connected
to an USB-C Thunderbolt port using an USB-C to mini DP adapter.
The second monitor is only detected, when I _first_ plug in the
adapter and _then_ plug in the the cable to the adapter. This also
only works when the system has booted _and_ I am logged in. I already
disabled thunderbolt security completely in UEFI. Once the monitor has
been detected it is also working during boot, when I restart the
system.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1817070/+subscriptions
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