>From the evtest.log in the comment #2, we saw lots of big coordinate value
>change, this definitely can make the cursor jumpy.
Event: time 1379494502.606841, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.606841, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.606841, -------------- SYN_REPORT ------------
Event: time 1379494502.636533, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.636533, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.636533, -------------- SYN_REPORT ------------
Event: time 1379494502.666019, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.666019, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.666019, -------------- SYN_REPORT ------------
Event: time 1379494502.703971, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.703971, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.703971, -------------- SYN_REPORT ------------
Event: time 1379494502.754022, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.754022, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.754022, -------------- SYN_REPORT ------------
When i run this test on a normal machine, the change of coordinate is
very small and smooth:
u@X240s2:~/alsa-utils-0.9.4$ sudo evtest /dev/input/event12
[sudo] password for u:
Input driver version is 1.0.1
Input device ID: bus 0x11 vendor 0x2 product 0xa version 0x0
Input device name: "TPPS/2 IBM TrackPoint"
Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 272 (BTN_LEFT)
Event code 273 (BTN_RIGHT)
Event code 274 (BTN_MIDDLE)
Event type 2 (EV_REL)
Event code 0 (REL_X)
Event code 1 (REL_Y)
Testing ... (interrupt to exit)
Event: time 1381978204.580973, type 2 (EV_REL), code 1 (REL_Y), value 1
Event: time 1381978204.580975, -------------- SYN_REPORT ------------
Event: time 1381978204.715128, type 2 (EV_REL), code 0 (REL_X), value 1
Event: time 1381978204.715130, -------------- SYN_REPORT ------------
Event: time 1381978205.170376, type 2 (EV_REL), code 0 (REL_X), value -1
Event: time 1381978205.170379, -------------- SYN_REPORT ------------
Event: time 1381978205.195733, type 2 (EV_REL), code 0 (REL_X), value -1
Event: time 1381978205.195735, type 2 (EV_REL), code 1 (REL_Y), value -1
Event: time 1381978205.195736, -------------- SYN_REPORT ------------
Event: time 1381978205.237546, type 2 (EV_REL), code 0 (REL_X), value -1
Event: time 1381978205.237549, -------------- SYN_REPORT ------------
Event: time 1381978205.247205, type 2 (EV_REL), code 0 (REL_X), value -2
Event: time 1381978205.247207, type 2 (EV_REL), code 1 (REL_Y), value -1
Event: time 1381978205.247208, -------------- SYN_REPORT ------------
Event: time 1381978205.257781, type 2 (EV_REL), code 1 (REL_Y), value -1
Event: time 1381978205.257783, -------------- SYN_REPORT ------------
Event: time 1381978205.267328, type 2 (EV_REL), code 0 (REL_X), value -1
Event: time 1381978205.267331, -------------- SYN_REPORT ------------
Event: time 1381978205.276894, type 2 (EV_REL), code 0 (REL_X), value -2
Event: time 1381978205.276898, type 2 (EV_REL), code 1 (REL_Y), value -1
Event: time 1381978205.276899, -------------- SYN_REPORT ------------
Event: time 1381978205.283967, type 2 (EV_REL), code 0 (REL_X), value -1
Event: time 1381978205.283969, -------------- SYN_REPORT ------------
Event: time 1381978205.307252, type 2 (EV_REL), code 0 (REL_X), value -2
Event: time 1381978205.307255, type 2 (EV_REL), code 1 (REL_Y), value -1
Event: time 1381978205.307256, -------------- SYN_REPORT ------------
Event: time 1379494502.783827, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.783827, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.783827, -------------- SYN_REPORT ------------
Event: time 1379494502.823308, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.823308, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.823308, -------------- SYN_REPORT ------------
Event: time 1379494502.852712, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.852712, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.852712, -------------- SYN_REPORT ------------
Event: time 1379494502.882358, type 2 (EV_REL), code 0 (REL_X), value -232
Event: time 1379494502.882358, type 2 (EV_REL), code 1 (REL_Y), value -24
Event: time 1379494502.882358, -------------- SYN_REPORT ------------
Event: time 1379494502.930790, type 2 (EV_REL), code 0 (REL_X), value -232
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https://bugs.launchpad.net/bugs/1226999
Title:
[Lenovo X230s] Jumpy cursor with TPPS/2 IBM Trackpoint
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
CID: 201301-12655 Lenovo X230S
Steps:
1. Install 12.04.3 and boot to desktop.
2. Try to control coursor with the trackpoint (TPPS/2 IBM Trackpoint)
Expected result:
Cursor could be controlled smoothly by using the trackpoint.
Actual result:
Cursor jumping around, if try to move it vertically / horizontally, it will
move toward that direction and jumping in a zig-zag pattern.
Please find attachment for xinput list-props, xev and evtest result.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.8.0-29-generic 3.8.0-29.42~precise1 [modified:
boot/vmlinuz-3.8.0-29-generic]
ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
Uname: Linux 3.8.0-29-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
Date: Wed Sep 18 04:06:34 2013
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-raring
UpgradeStatus: No upgrade log present (probably fresh install)
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.8.0-29-generic.
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1488 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0x91530000 irq 45'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:10ec0269,17aa2209,00100203
HDA:80862806,80860101,00100000'
Controls : 29
Simple ctrls : 11
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
DistroRelease: Ubuntu 12.04
HibernationDevice: RESUME=UUID=aaf763fb-e63c-4989-84ce-9270713c69a5
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
MachineType: LENOVO 20AG0C1
MarkForUpload: True
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-29-generic
root=UUID=d0749200-545f-434c-81df-90c494ea4f04 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
RelatedPackageVersions:
linux-restricted-modules-3.8.0-29-generic N/A
linux-backports-modules-3.8.0-29-generic N/A
linux-firmware 1.79.6
Tags: precise running-unity
Uname: Linux 3.8.0-29-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 02/18/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: GGET15WW (1.03 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AG0C1
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGGET15WW(1.03):bd02/18/2013:svnLENOVO:pn20AG0C1:pvrThinkPadX230s:rvnLENOVO:rn20AG0C1:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AG0C1
dmi.product.version: ThinkPad X230s
dmi.sys.vendor: LENOVO
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