kernel-packages team mailing list archive

[Giles Carré <giles.carre@xxxxxxxxxxxxxxxx>]

I confirm this behaviour: with the dock firmware update (T440s in a
ProDock for me), I can use external displays. I can have two external
displays (two 1680x1050), one on HDMI port, an another on VGA port.

In normal mode, the two external displays are mirrored.

But I can put them in extended desktop mode and have something like one
3360x1050 display. I'd preffer have two distinct displays, because today
it's difficult to manage the windows size of the graphic applications
(in particular, the automatic resize facility when you push the window
to the bottom/top/left/right on in the corner). So, I expect an
evolution.

Nevertheless, the good news is that I can use 3 displays in the same
time: the internal one and the two externals.

-- 
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https://bugs.launchpad.net/bugs/1275794

Title:
  Lenovo T440s freezes when connected to docking station

Status in The Linux Kernel:
  Fix Released
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)
  --- 
  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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