e839ffab028981ac77f650faf8c84f16e1719738 is the first bad commit
commit e839ffab028981ac77f650faf8c84f16e1719738
Author: Benjamin Tissoires <benjamin.tissoi...@redhat.com>
Date:   Thu Mar 2 14:13:53 2017 -0800

    Input: synaptics - add support for Intertouch devices

    Most of the Synaptics devices are connected through PS/2 and a different
    bus (SMBus or HID over I2C). The secondary bus capability is indicated by
    the InterTouch bit in extended capability 0x0C.

    We only enable the InterTouch device to be created for the laptops
    registered with the top software button property or those we know that are
    functional. In the future, we might change the default to always rely on
    the InterTouch bus. Currently, users can enable/disable the feature with
    the psmouse parameter synaptics_intertouch.

    Signed-off-by: Benjamin Tissoires <benjamin.tissoi...@redhat.com>
    Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>


** Bug watch added: Linux Kernel Bug Tracker #196719
   https://bugzilla.kernel.org/show_bug.cgi?id=196719

** Also affects: linux via
   https://bugzilla.kernel.org/show_bug.cgi?id=196719
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1722478

Title:
  Two-finger scrolling no longer works after resuming from suspend

Status in Linux:
  Unknown
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I own a Thinkpad T440p onto which I have had Debian 9 running without
  hardware issues. I have recently installed Ubuntu 17.10 final beta to
  test it out, but two-finger scrolling does not work at the moment. It
  used to work out-of-the-box from the final beta iso, but a subsequent
  update broke it.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-12-generic 4.13.0-12.13 [modified: 
boot/vmlinuz-4.13.0-12-generic]
  ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3
  Uname: Linux 4.13.0-12-generic x86_64
  ApportVersion: 2.20.7-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ghislain  10620 F.... pulseaudio
   /dev/snd/controlC0:  ghislain  10620 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Oct 10 09:20:01 2017
  HibernationDevice: RESUME=UUID=ae4cca1e-80ef-4a1e-87e3-0a860b49492e
  InstallationDate: Installed on 2017-10-05 (4 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
  MachineType: LENOVO 20AN00C1UK
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-12-generic 
root=/dev/mapper/doc1485--lap--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-12-generic N/A
   linux-backports-modules-4.13.0-12-generic  N/A
   linux-firmware                             1.169
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/31/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GLET83WW (2.37 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AN00C1UK
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGLET83WW(2.37):bd03/31/2016:svnLENOVO:pn20AN00C1UK:pvrThinkPadT440p:rvnLENOVO:rn20AN00C1UK:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad T440p
  dmi.product.name: 20AN00C1UK
  dmi.product.version: ThinkPad T440p
  dmi.sys.vendor: LENOVO

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