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 Ubuntu-X,
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)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/1506817/+subscriptions
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