Sounds like they want both the Xenial and Yakkety kernels tested.  You
should be able to install the yakkety kernel on Xenial if you don't want
to upgrade now.

It may be easier to just grab the relevant packages from the launchpad page:
https://launchpad.net/ubuntu/+source/linux
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/12486778/+files/linux-image-4.4.0-78-generic_4.4.0-78.99_amd64.deb
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/bootstrap/+build/12492144/+files/linux-image-4.8.0-52-generic_4.8.0-52.55_amd64.deb

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https://bugs.launchpad.net/bugs/1662589

Title:
  Touchpad not working correctly after kernel upgrade

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Committed
Status in linux source package in Yakkety:
  Fix Committed
Status in linux source package in Zesty:
  Fix Released

Bug description:
  Since the kernel upgraded from 4.4.0-31-generic the touchpad on my
  Toshiba Tecra laptop has not been functioning correctly.

  Whenever I try and do two finger srcolling it also thinks I'm doing a
  two finger tap to to rightclick, making two finger scrolling almost
  impossible.

  It is the same for both kernel updates since 4.4.0-31.  If I boot from
  4.4.0-31 then the touchpad works fine.

  If I do an xinput in the later kernels it shows :-
  ⎡ Virtual core pointer                        id=2    [master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer                      id=4    [slave  pointer 
 (2)]
  ⎜   ↳ Microsoft Wired Keyboard 600                    id=10   [slave  pointer 
 (2)]
  ⎜   ↳ Microsoft Comfort Mouse 6000                    id=11   [slave  pointer 
 (2)]
  ⎜   ↳ AlpsPS/2 ALPS DualPoint Stick                   id=15   [slave  pointer 
 (2)]
  ⎜   ↳ AlpsPS/2 ALPS DualPoint TouchPad                id=14   [slave  pointer 
 (2)]
  ⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
      ↳ Virtual core XTEST keyboard                     id=5    [slave  
keyboard (3)]
      ↳ Power Button                                    id=6    [slave  
keyboard (3)]
      ↳ Video Bus                                       id=7    [slave  
keyboard (3)]
      ↳ Power Button                                    id=8    [slave  
keyboard (3)]
      ↳ Microsoft Wired Keyboard 600                    id=9    [slave  
keyboard (3)]
      ↳ TOSHIBA Web Camera - FHD                        id=12   [slave  
keyboard (3)]
      ↳ AT Translated Set 2 keyboard                    id=13   [slave  
keyboard (3)]
      ↳ Toshiba input device  

  
  The AlpsPS/2 devices aren't aren't present when booting with 4.4.0.31:

  ⎡ Virtual core pointer                        id=2    [master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer                      id=4    [slave  pointer 
 (2)]
  ⎜   ↳ Microsoft Wired Keyboard 600                    id=10   [slave  pointer 
 (2)]
  ⎜   ↳ Microsoft Comfort Mouse 6000                    id=11   [slave  pointer 
 (2)]
  ⎜   ↳ ImPS/2 Generic Wheel Mouse              id=14   [slave  pointer  (2)]
  ⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
      ↳ Virtual core XTEST keyboard                     id=5    [slave  
keyboard (3)]
      ↳ Power Button                                    id=6    [slave  
keyboard (3)]
      ↳ Video Bus                                       id=7    [slave  
keyboard (3)]
      ↳ Power Button                                    id=8    [slave  
keyboard (3)]
      ↳ Microsoft Wired Keyboard 600                    id=9    [slave  
keyboard (3)]
      ↳ TOSHIBA Web Camera - FHD                        id=12   [slave  
keyboard (3)]
      ↳ AT Translated Set 2 keyboard                    id=13   [slave  
keyboard (3)]
      ↳ Toshiba input device                            id=15 [slave  keyboard 
(3)]

  Any ideas?

  Thanks.
  --- 
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nick       1867 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=5f888cc2-be17-45fe-9b4c-c8cf49eb1db8
  InstallationDate: Installed on 2017-02-03 (4 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  MachineType: TOSHIBA TECRA A40-C
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-62-generic.efi.signed 
root=UUID=7c18c2ca-0cc6-4c2c-80ba-194bbbc22646 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-62.83-generic 4.4.40
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-62-generic N/A
   linux-backports-modules-4.4.0-62-generic  N/A
   linux-firmware                            1.157.6
  Tags:  xenial xenial
  Uname: Linux 4.4.0-62-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/12/2016
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: Version 7.40
  dmi.board.asset.tag: 0000000000
  dmi.board.name: TECRA A40-C
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Version A0
  dmi.chassis.asset.tag: 0000000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: Version 1.0
  dmi.modalias: 
dmi:bvnTOSHIBA:bvrVersion7.40:bd07/12/2016:svnTOSHIBA:pnTECRAA40-C:pvrPS463E-01C003EN:rvnTOSHIBA:rnTECRAA40-C:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
  dmi.product.name: TECRA A40-C
  dmi.product.version: PS463E-01C003EN
  dmi.sys.vendor: TOSHIBA

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