Public bug reported:
A USB keyboard and mouse attached to a Dell WD15 USB-C dock stop working
after undock/redock, requiring a reboot. Occasionally they fail to work
from a cold boot. This was not a problem with the previous kernel
4.15.0-48.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-50-generic 4.15.0-50.54
ProcVersionSignature: Ubuntu 4.15.0-50.54-generic 4.15.18
Uname: Linux 4.15.0-50-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC2D0p: dbakken 2277 F...m pulseaudio
/dev/snd/controlC2: dbakken 2277 F.... pulseaudio
CurrentDesktop: KDE
Date: Thu May 30 11:31:44 2019
InstallationDate: Installed on 2018-07-20 (314 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: Dell Inc. Latitude 7490
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-50-generic
root=UUID=bbf44790-b08f-4145-a990-6ae159421aa9 ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-50-generic N/A
linux-backports-modules-4.15.0-50-generic N/A
linux-firmware 1.173.6
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/26/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.9.3
dmi.board.name: 0DJ6MJ
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.9.3:bd04/26/2019:svnDellInc.:pnLatitude7490:pvr:rvnDellInc.:rn0DJ6MJ:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude 7490
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1831123
Title:
USB input devices don't work with Dell WD15 dock
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