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[Ryan <carbonfreeze@xxxxxxxxx>]

I tested in 15.10, issue persists.

output of usb-devices:

:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh=12
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev=04.04
S:  Manufacturer=Linux 4.4.0-11-generic xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:00:14.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 6
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1
P:  Vendor=1d6b ProdID=0003 Rev=04.04
S:  Manufacturer=Linux 4.4.0-11-generic xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:00:14.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

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https://bugs.launchpad.net/bugs/1553811

Title:
  Thinkpad T460: Trackpoint mouse buttons instantly generate "release"
  event on press

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When using the trackpoint mouse buttons on the laptop, when any of the
  buttons are pressed a release event immediately follows, even if the
  mouse button is being held down. This prevents moving of windows,
  typical drag & drop operations, selection etc with the mouse.

  Example output from xev for button 1:

  ButtonPress event, serial 40, synthetic NO, window 0x7e00001,
      root 0xb6, subw 0x0, time 1097221, (116,59), root:(116,142),
      state 0x0, button 1, same_screen YES

  ButtonRelease event, serial 40, synthetic NO, window 0x7e00001,
      root 0xb6, subw 0x0, time 1097229, (116,59), root:(116,142),
      state 0x100, button 1, same_screen YES

  Button 2:
  ButtonPress event, serial 40, synthetic NO, window 0x7e00001,
      root 0xb6, subw 0x0, time 1100941, (116,59), root:(116,142),
      state 0x0, button 2, same_screen YES

  ButtonRelease event, serial 40, synthetic NO, window 0x7e00001,
      root 0xb6, subw 0x0, time 1100941, (116,59), root:(116,142),
      state 0x200, button 2, same_screen YES

  Button 3:
  ButtonPress event, serial 40, synthetic NO, window 0x7e00001,
      root 0xb6, subw 0x0, time 1098467, (116,59), root:(116,142),
      state 0x0, button 3, same_screen YES

  ButtonRelease event, serial 40, synthetic NO, window 0x7e00001,
      root 0xb6, subw 0x0, time 1098477, (116,59), root:(116,142),
      state 0x400, button 3, same_screen YES

  
  Possibly relevant output from journal:
  kernel: thinkpad_acpi: ThinkPad ACPI Extras v0.25
  kernel: thinkpad_acpi: http://ibm-acpi.sf.net/
  kernel: thinkpad_acpi: ThinkPad BIOS R06ET33W (1.07 ), EC unknown
  kernel: thinkpad_acpi: Lenovo ThinkPad T460, model 20FNCTO1WW
  kernel: thinkpad_acpi: detected a 8-level brightness capable ThinkPad
  kernel: thinkpad_acpi: unknown version of the HKEY interface: 0x200
  kernel: thinkpad_acpi: please report this to ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
  kernel: thinkpad_acpi: radio switch found; radios are enabled
  kernel: thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
  kernel: thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
  kernel: thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
  kernel: thinkpad_acpi: Standard ACPI backlight interface available, not loading native one
  kernel: input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input7
  sensors[1000]: thinkpad-isa-0000
  kernel: thinkpad_acpi: EC reports that Thermal Table has changed
  kernel: thinkpad_acpi: acpi_evalf(GTRW, dd, ...) failed: AE_NOT_FOUND
  kernel: thinkpad_acpi: Cannot read adaptive keyboard mode.
  kernel: thinkpad_acpi: acpi_evalf(STRW, vd, ...) failed: AE_NOT_FOUND
  kernel: thinkpad_acpi: Cannot set adaptive keyboard mode.
  kernel: thinkpad_acpi: EC reports that Thermal Table has changed

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-10-generic 4.4.0-10.25
  ProcVersionSignature: Ubuntu 4.4.0-10.25-generic 4.4.3
  Uname: Linux 4.4.0-10-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Sun Mar  6 12:38:59 2016
  HibernationDevice: RESUME=UUID=04e04e17-3976-4daa-a1dd-2dd369aee83d
  InstallationDate: Installed on 2015-09-21 (166 days ago)
  InstallationMedia: It
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20FNCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-10-generic root=/dev/mapper/it--vg-root ro quiet intel_pstate=no_hwp
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-10-generic N/A
   linux-backports-modules-4.4.0-10-generic  N/A
   linux-firmware                            1.156
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-02-24 (10 days ago)
  dmi.bios.date: 01/05/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: R06ET33W (1.07 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20FNCTO1WW
  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:bvrR06ET33W(1.07):bd01/05/2016:svnLENOVO:pn20FNCTO1WW:pvrThinkPadT460:rvnLENOVO:rn20FNCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20FNCTO1WW
  dmi.product.version: ThinkPad T460
  dmi.sys.vendor: LENOVO

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