Public bug reported:
Lenovo Carbon X1 running on Lenovo Thinkpad Ultra Dock
I have only been able to attach a single monitor to the docking station
before the upgrade of linux-firmware. After todays upgrade from 1.173.2
to 1.173.3, none of the outputs work anymore.
The Ultra Dock has two DP, an HDMI, and a VGA output.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-firmware 1.173.3
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan 15 16:31:39 2019
Dependencies:
InstallationDate: Installed on 2018-12-03 (42 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1811860
Title:
Display ports on Lenovo docking station stopped working after upgrade
of linux-firmware 1.173.2 -> 1.173.3
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