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[Launchpad Bug Tracker <1386774@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: xserver-xorg-input-synaptics (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1386774

Title:
  Synaptics touchpad and IBM trackpoint incompletely detected

Status in “xserver-xorg-input-synaptics” package in Ubuntu:
  Confirmed

Bug description:
  In 14.04 with the 3.13.0-36 kernel, the touchpad and trackpoint on my
  Lenovo ThinkPad T410s function properly.  On upgrade to the 3.13.0-37
  kernel, KDE's system admin module says there is no touchpad, though
  the touchpad and trackpoint function purely as mice.  No scrolling
  withthe touchpad, no possibility of configuring the touch pad to
  disable tap while typing.

  These problems persist with 14.10 and the 3.16-23 kernel.  I tried the
  3.18.0-031800rc1 kernel.  It made the laptop incredibly slow, but did
  reproduce the problem that kde's admin module does not see the
  touchpad.  (The rc2 kernel available today would not install because
  of a dependency on a non-existent package (a header package for rc2
  with no all, amd64, or i386 suffix).

  I have run cat /proc/input/devices for both the 3.18 and 3.13.0-36
  kernels.  The 13 kernel detects it as "SynPS/2 Synaptics TouchPad",
  while the 18 kernel detects it as "PS/2 Synaptics TouchPad".  However
  the 13 kernel detects a separate IBM Trackpoint device, which the 18
  kernel does not list, even though the track point does function as a
  mouse with the 18 kernel.

  xinput --list with the 13 kernel shows

  Virtual core pointer                          id=2    [master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
  ⎜   ↳ SynPS/2 Synaptics TouchPad                id=11   [slave  pointer  (2)]
  ⎜   ↳ TPPS/2 IBM TrackPoint                     id=12   [slave  pointer  (2)]

  with the 16 kernel it shows

  ⎡ Virtual core pointer                          id=2    [master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
  ⎜   ↳ PS/2 Synaptics TouchPad                   id=11   [slave  pointer  (2)]

  The most relevant-looking lines of Xorg.0.log are, with the 16 kernel,
  the single InputClass line

  [    11.702] (**) PS/2 Synaptics TouchPad: Applying InputClass "evdev
  pointer catchall"

  and, with the 13 kernel, the lines

      17.820] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
  [    17.820] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
  [    17.820] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"
  [    17.820] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Touchpad"

  Also, with the 13 kernel,

  [   17.821] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics
  TouchPad'

  while with the 16 kenrel,

  [   11.703] (II) Using input driver 'evdev' for 'PS/2 Synaptics
  TouchPad'

  I will try to attach the six files.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: xserver-xorg-input-synaptics 1.8.1-1ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Tue Oct 28 11:22:08 2014
  InstallationDate: Installed on 2011-01-28 (1368 days ago)
  InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  SourcePackage: xserver-xorg-input-synaptics
  UpgradeStatus: Upgraded to utopic on 2014-10-28 (0 days ago)

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