Public bug reported:

On my Lenovo ThinkPad X1 Carbon 5th Gen with Swedish keyboard, the
trackpoint and touchpad is defunct when running 16.04 LTS and 17.04 "out
of the box". You're essentially required to attach an external USB
connected mouse to complete (UI based) installation.

Workaround: I can get the trackpoint (red dot) and touchpad to work with
IMPS protocol. When loading the `psmouse` Linux kernel module, passing
arguments `protocol=imps`, clicks and moving the mouse around works.
Using the middle button for scrolling works - both by moving the
trackpoint, and by using the touchpad.

However, this disables two-finger scrolling using the touchpad.

I also own a X1 Carbon 3rd Gen which works just fine.
--- 
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
DistUpgraded: Fresh install
DistroCodename: zesty
DistroRelease: Ubuntu 17.04
DistroVariant: ubuntu
InstallationDate: Installed on 2017-04-26 (3 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
MachineType: LENOVO 20HRCTO1WW
Package: xserver-xorg-input-evdev (not installed)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-20-generic.efi.signed 
root=UUID=591d9b02-d2fc-4ad4-8a2e-cc41bd853c0a ro i8042.reset i8042.nomux 
psmouse.proto=imps quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8
Tags:  zesty ubuntu
Uname: Linux 4.10.0-20-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
 
_MarkForUpload: True
dmi.bios.date: 03/10/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: N1MET31W (1.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HRCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: 
dmi:bvnLENOVO:bvrN1MET31W(1.16):bd03/10/2017:svnLENOVO:pn20HRCTO1WW:pvrThinkPadX1Carbon5th:rvnLENOVO:rn20HRCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20HRCTO1WW
dmi.product.version: ThinkPad X1 Carbon 5th
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.13.1+17.04.20170109-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.3-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.3-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.9.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.14-0ubuntu1

** Affects: xserver-xorg-input-evdev (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-collected ubuntu zesty

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-input-evdev in Ubuntu.
https://bugs.launchpad.net/bugs/1687191

Title:
  psmouse broken for thinkpad touchpad on carbon x1 5th gen

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev/+bug/1687191/+subscriptions

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