Public bug reported:
When using with dock, attached monitor is not detected, laptop monitor
remains blank. Requires a reboot
4.4.0-59 works fine. I'm guessing this is due to the i915 patches for
DP.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-62-generic 4.4.0-62.83
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC3: weinberg 2945 F.... pulseaudio
/dev/snd/controlC2: weinberg 2945 F.... pulseaudio
/dev/snd/controlC0: weinberg 2945 F.... pulseaudio
/dev/snd/controlC1: weinberg 2945 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Feb 6 20:15:05 2017
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=b572432a-a870-4698-af05-eb9ac5b5dfb5
InstallationDate: Installed on 2016-05-06 (276 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: LENOVO 20ARA0S100
ProcEnviron:
LANGUAGE=en_US
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-59-generic
root=UUID=0a196d38-a419-4a42-b659-7108068e6ce5 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-59-generic N/A
linux-backports-modules-4.4.0-59-generic N/A
linux-firmware 1.157.6
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/19/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET74WW (2.24 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20ARA0S100
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGJET74WW(2.24):bd03/19/2014:svnLENOVO:pn20ARA0S100:pvrThinkPadT440s:rvnLENOVO:rn20ARA0S100:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20ARA0S100
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug third-party-packages xenial
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https://bugs.launchpad.net/bugs/1662381
Title:
linux-image-4.4.0-62-generic breaks Lenovo T440s on Ultradock
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