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[knut <1258837@xxxxxxxxxxxxxxxxxx>]

Hi,

I have the mouse jumping problem. I usually use the TrackPoint.
Latitude E5440
BIOS: A10
Linux: 3.13.0-37-generic #64-Ubuntu

syslog:
[38234.797838] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.800971] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 - driver resynced.
[38234.828719] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.838318] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 - driver resynced.
[38234.839346] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.840408] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.841446] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.850882] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 - driver resynced.
[38234.851904] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.852961] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.854006] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
[38234.865111] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 - driver resynced.

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https://bugs.launchpad.net/bugs/1258837

Title:
  [Dell Latitude E7440] ALPS touchpad keeps having state reset

Status in linux package in Ubuntu:
  Confirmed
Status in linux package in Fedora:
  Unknown

Bug description:
  The mouse cursor keeps on jumping around, and these messages appear in the log when it happens:
  Dec  7 21:57:26 wyvern kernel: [  648.133841] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
  Dec  7 21:57:26 wyvern kernel: [  648.134868] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
  Dec  7 21:57:26 wyvern kernel: [  648.137921] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 - driver resynced.
  Dec  7 21:57:26 wyvern kernel: [  648.138852] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost sync at byte 1
  Dec  7 21:57:26 wyvern kernel: [  648.148833] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 - driver resynced.

  The touchpad is recognised as a "AlpsPS/2 ALPS DualPoint TouchPad".
  This is occurring with Ubuntu 13.10, though I have also seen this
  behaviour in the version of Linux Mint based on Ubuntu 13.04.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-14-generic 3.11.0-14.21
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  Uname: Linux 3.11.0-14-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  allanc     1852 F.... pulseaudio
   /dev/snd/controlC0:  allanc     1852 F.... pulseaudio
  Date: Sat Dec  7 22:19:22 2013
  HibernationDevice: RESUME=UUID=a2a36712-35de-4e20-9d1a-df3520f401ec
  InstallationDate: Installed on 2013-12-07 (0 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: Dell Inc. Latitude E7440
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic.efi.signed root=UUID=d03a42e6-0dea-4969-a682-eb4d255abc70 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-14-generic N/A
   linux-backports-modules-3.11.0-14-generic  N/A
   linux-firmware                             1.116
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/14/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A03
  dmi.board.name: 07F3F4
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA03:bd08/14/2013:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn07F3F4:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E7440
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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