Public bug reported:
The thinkpad X230 tablet has three HID for controlling the pointer: mouse,
touch screen and touch pad.
With mouse and touch screen as inpt devices, I have pixel-exact control of the
pointer.
In contrast, when using the touch pad as the input device, resolution is
very coarse: the pointer jumps in small steps of approx. 5 pixels. This
resolution is too coarse, e.g. for controlling graphical user interfaces
with small buttons. Very often, when I tap on the touch pad for
emulating a left click, the pointer jumps 5 pixels from where it was,
causing me to actually click on a different button. (This can be quite
annoying. Example: I regularly hit "suspend" instead of "log out" in the
system menu).
Can the pointer resolution be changed for the touch pad? If so, it
should default to pixel-exact resolution.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Mon May 6 13:13:29 2013
DistUpgraded: 2013-04-25 18:13:00,044 WARNING no activity on terminal for 300
seconds (Konfiguration von upstart wird vorbereitet)
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus: virtualbox, 4.2.10, 3.8.0-19-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev
09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:2203]
InstallationDate: Installed on 2013-04-12 (23 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: LENOVO 34382AG
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic
root=/dev/mapper/vg-lv--root ro quiet splash "acpi_osi=!Windows 2012"
vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to raring on 2013-04-25 (10 days ago)
dmi.bios.date: 02/25/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: GCET92WW (2.52 )
dmi.board.asset.tag: Not Available
dmi.board.name: 34382AG
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:bvrGCET92WW(2.52):bd02/25/2013:svnLENOVO:pn34382AG:pvrThinkPadX230Tablet:rvnLENOVO:rn34382AG:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 34382AG
dmi.product.version: ThinkPad X230 Tablet
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.43-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
xserver.bootTime: Sun May 5 19:49:27 2013
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
xserver.video_driver: intel
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 raring ubuntu
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1176857
Title:
Touchpad resolution too coarse on thinkpad X230
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1176857/+subscriptions
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