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[Bug 1506817] [NEW] left TPP/2 IBM TrackPoint "sticks on" randomly (X250 15.04)

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Public bug reported:

I have reported the details of this problem at
https://answers.launchpad.net/ubuntu-certification/+question/272142

As summarized on that question:

X250 analysis:
 I used the command on the X250
  evtest /dev/input/event15 | grep EV_KEY

 I can see the bug, as follows:

I click on button 1 (left) over and over. When I push the button down,
I see it register as 1,
and when I let go of the key, it registers as a 0.

The bug is that every now and then (once every 20 clicks), when I let go
of the left mouse button (BIN_LEFT), it does not return to state 0 (it stays in state 1).

This is highly random, but cant be triggered more often, by dragging a
window, which I do with BIN_LEFT.

I am using a brand new X250, purchased in late July 2015. The system was returned 3 times to IBM repair as I assumed
this was a hardware error. Now with the above, it seems clear that this is a software issue.

Ubuntu 15.04

apt-cache policy xserver-xorg-input-synaptics
xserver-xorg-input-synaptics:
  Installed: 1.8.1-1ubuntu1
  Candidate: 1.8.1-1ubuntu1
  Version table:
 *** 1.8.1-1ubuntu1 0

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xserver-xorg-input-synaptics 1.8.1-1ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
Uname: Linux 3.19.0-30-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Oct 16 04:52:03 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
InstallationDate: Installed on 2015-08-15 (61 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20CMCTO1WW
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=5718b40f-944e-47a3-acda-04e29336d0bc ro quiet splash vt.handoff=7
SourcePackage: xserver-xorg-input-synaptics
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/19/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: N10ET36W (1.15 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20CMCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98417 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrN10ET36W(1.15):bd06/19/2015:svnLENOVO:pn20CMCTO1WW:pvrThinkPadX250:rvnLENOVO:rn20CMCTO1WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20CMCTO1WW
dmi.product.version: ThinkPad X250
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
xserver.bootTime: Fri Oct 16 03:31:10 2015
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                1079 
 vendor                                     LGD
xserver.version: 2:1.17.1-0ubuntu3.1

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


** Tags: amd64 apport-bug ubuntu vivid

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-input-synaptics in Ubuntu.
https://bugs.launchpad.net/bugs/1506817

Title:
  left TPP/2 IBM TrackPoint "sticks on" randomly (X250 15.04)

Status in xserver-xorg-input-synaptics package in Ubuntu:
  New

Bug description:
  I have reported the details of this problem at
  https://answers.launchpad.net/ubuntu-certification/+question/272142

  As summarized on that question:

  X250 analysis:
   I used the command on the X250
    evtest /dev/input/event15 | grep EV_KEY

   I can see the bug, as follows:

  I click on button 1 (left) over and over. When I push the button down,
  I see it register as 1,
  and when I let go of the key, it registers as a 0.

  The bug is that every now and then (once every 20 clicks), when I let go
  of the left mouse button (BIN_LEFT), it does not return to state 0 (it stays in state 1).

  This is highly random, but cant be triggered more often, by dragging a
  window, which I do with BIN_LEFT.

  I am using a brand new X250, purchased in late July 2015. The system was returned 3 times to IBM repair as I assumed
  this was a hardware error. Now with the above, it seems clear that this is a software issue.

  Ubuntu 15.04

  apt-cache policy xserver-xorg-input-synaptics
  xserver-xorg-input-synaptics:
    Installed: 1.8.1-1ubuntu1
    Candidate: 1.8.1-1ubuntu1
    Version table:
   *** 1.8.1-1ubuntu1 0

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xserver-xorg-input-synaptics 1.8.1-1ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Oct 16 04:52:03 2015
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  InstallationDate: Installed on 2015-08-15 (61 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: LENOVO 20CMCTO1WW
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=5718b40f-944e-47a3-acda-04e29336d0bc ro quiet splash vt.handoff=7
  SourcePackage: xserver-xorg-input-synaptics
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/19/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N10ET36W (1.15 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20CMCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98417 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnLENOVO:bvrN10ET36W(1.15):bd06/19/2015:svnLENOVO:pn20CMCTO1WW:pvrThinkPadX250:rvnLENOVO:rn20CMCTO1WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20CMCTO1WW
  dmi.product.version: ThinkPad X250
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Fri Oct 16 03:31:10 2015
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                1079 
   vendor                                     LGD
  xserver.version: 2:1.17.1-0ubuntu3.1

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