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[Bug 1513914] Re: Dell E7440 touchpad jumps position


Martyn, could you please provide a URL of your posts from the mailing
list as previously requested?

** Tags removed: kernel-bug-exists-upstream-4.3
** Tags added: kernel-bug-exists-upstream-4.4-rc3

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  Dell E7440 touchpad jumps position

Status in linux package in Ubuntu:

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
   /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
   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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