This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1824575
Title:
Can't boot Thinkpad T540 it's on docking station
Status in linux package in Ubuntu:
Confirmed
Bug description:
The laptop boots without any issue when it is not connected to the
docking station. However when it's connected to the docking and I try
to boot it, I get a black screen shortly after the Kubuntu icon shows
during the booting process.
To boot the laptop, I have to disconnect it from the docking station,
boot it up and log on, then I can connect it to the docking station.
Similar bug has been reported for Fedora, here:
https://bugzilla.redhat.com/show_bug.cgi?id=1527669
Rebasing Fedora 28 to Kernel 4.20.5-100 solved the problem for them. similar
problem has also been reported here:
https://bugzilla.redhat.com/show_bug.cgi?id=1549169
The problem appears to exist for any version of Thinkpad laptop that
is connected to a docking station.
Any help to resolve this problem will be much appreciated.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-47-generic 4.15.0-47.50
ProcVersionSignature: Ubuntu 4.15.0-47.50-generic 4.15.18
Uname: Linux 4.15.0-47-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: cadav 3479 F.... pulseaudio
/dev/snd/controlC0: cadav 3479 F.... pulseaudio
CurrentDesktop: KDE
Date: Fri Apr 12 14:34:45 2019
HibernationDevice: RESUME=UUID=3d20fcf7-5e81-4968-899f-e10fdd62fd3e
InstallationDate: Installed on 2016-08-12 (973 days ago)
InstallationMedia: Kubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
MachineType: LENOVO 4239CTO
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-47-generic
root=UUID=8281f38c-3259-4659-b75d-723fc8b5401b ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-47-generic N/A
linux-backports-modules-4.15.0-47-generic N/A
linux-firmware 1.173.3
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-08-21 (234 days ago)
dmi.bios.date: 09/20/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: 8AET66WW (1.46 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4239CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8AET66WW(1.46):bd09/20/2016:svnLENOVO:pn4239CTO:pvrThinkPadT520:rvnLENOVO:rn4239CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad T520
dmi.product.name: 4239CTO
dmi.product.version: ThinkPad T520
dmi.sys.vendor: LENOVO
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