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Message #167094
[Bug 1513914] Re: Dell E7440 touchpad jumps position
** Tags removed: kernel-bug-exists-upstream-4.4
** Tags added: kernel-bug-exists-upstream-4.5-rc5
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https://bugs.launchpad.net/bugs/1513914
Title:
Dell E7440 touchpad jumps position
Status in linux package in Ubuntu:
Triaged
Bug description:
Ubuntu 15.10 - Dell E7440 touchpad works correctly when freshly started each time; but after some time running the mouse pointer starts to randomly jumps position when I try to use the touchpad.
If I shut down Ubuntu and re-start after about 10 seconds, the problem is temporarily resolved.
Both the USB Mouse and keyboard blue joy-button continue to work correctly while having "jumpy touchpad problem.
Running Ubuntu 15.10 installed version (updated from 15.04 new installation)
I have previously seen the same same problem with Ubuntu 14.04 and 15.04, both live CD and installed versions.
I am new to Linux & forums, so please excuse my lack of knowledge.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-16-generic 4.2.0-16.19
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: martyn 1217 F.... pulseaudio
/dev/snd/controlC0: martyn 1217 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Nov 6 17:33:42 2015
HibernationDevice: RESUME=UUID=d0cf60ae-c48f-4267-bb58-af4193cc2e5c
InstallationDate: Installed on 2015-09-23 (44 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: Dell Inc. Latitude E7440
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic root=UUID=42d901b2-6e43-4fbf-a79f-c6329d47548a ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-16-generic N/A
linux-backports-modules-4.2.0-16-generic N/A
linux-firmware 1.149.1
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to wily on 2015-10-22 (14 days ago)
dmi.bios.date: 02/02/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A14
dmi.board.name: 03M26R
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA14:bd02/02/2015:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn03M26R:rvr:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E7440
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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References