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Message #44165
[Bug 1275794]
Created attachment 93654
Photograph showing green pattern overlays
Output on an external display connected with HDMI to dock when patch
92883 is applied. This also appeared once with patch 91164. But wasn't
noticed until now with patch 93653.
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https://bugs.launchpad.net/bugs/1275794
Title:
Lenovo T440s freezes when connected to docking station
Status in The Linux Kernel:
Incomplete
Status in “linux” package in Ubuntu:
Triaged
Bug description:
This bug report looks to be for the same issue:
https://bugs.freedesktop.org/show_bug.cgi?id=71267
I came across the above bug report here:
https://bbs.archlinux.org/viewtopic.php?pid=1374408
I'm running with a Thinkpad T440s and ultra dock with hdmi<->hdmi. In
my case if I dock when hdmi is connected to the dock, the mouse and
keyboard freeze once connected. When I undock they unfreeze. If I
dock when hdmi is not connected to the dock, the mouse and keyboard
don't freeze.
Ubuntu release: 14.04 Trusty Tahr (development branch)
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ApportVersion: 2.13.2-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: corey 2385 F.... pulseaudio
/dev/snd/controlC0: corey 2385 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=12d1435c-d652-4aab-8da6-3b043f3da722
InstallationDate: Installed on 2014-01-31 (3 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140130)
MachineType: LENOVO 20AQCTO1WW
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-5-generic.efi.signed root=UUID=d17999de-2672-48e5-b628-403d311d3251 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
RelatedPackageVersions:
linux-restricted-modules-3.13.0-5-generic N/A
linux-backports-modules-3.13.0-5-generic N/A
linux-firmware 1.123
Tags: trusty
Uname: Linux 3.13.0-5-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirtd lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 12/10/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET67WW (2.17 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGJET67WW(2.17):bd12/10/2013:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AQCTO1WW
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO
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