[Bug 1822394] Re: [Dell BIOSes dated 27 Mar 2019, XPS 9575, Precision 5530 2-in-1] laptop keyboard & touchpad not working at gdm screen after boot

** Also affects: linux
Importance: Undecided
Status: New

** No longer affects: linux

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Title:
[Dell BIOSes dated 27 Mar 2019, XPS 9575, Precision 5530 2-in-1]
laptop keyboard & touchpad not working at gdm screen after boot

Status in libinput package in Ubuntu:
Confirmed
Status in linux package in Ubuntu:
Confirmed

Bug description:
On a dell XPS 15 2-in-1 with the latest 1.4.0 bios, my touchpad and keyboard are unresponsive at the gdm login screen. Keyboard works to unlock encrypted harddrive before that though. If I plug in a USB keyboard or activate my bluetooth mouse, I can use those to log in, and then after logging in the laptop touchpad and keyboard work again. Logging out of the desktop results
in the laptop touchpad and keyboard working on the gdm screen. Did not see
this behavior before upgrading from 1.2.0 bios to 1.4.0 bios, but also had
not rebooted in a while, so not sure if bios or package upgrades triggered
this behavior.

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: gdm3 3.32.0-1ubuntu1
ProcVersionSignature: Ubuntu 5.0.0-8.9-generic 5.0.1
Uname: Linux 5.0.0-8-generic x86_64
ApportVersion: 2.20.10-0ubuntu23
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Mar 29 17:51:00 2019
InstallationDate: Installed on 2018-09-26 (184 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: gdm3
UpgradeStatus: Upgraded to disco on 2019-03-11 (18 days ago)

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