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[Carsten Gräser <1382865@xxxxxxxxxxxxxxxxxx>]

I seem to have the same problem on a Dell Latitude e7440 since the
update to 14.10. After some time the touchpad and the trackpoint stop
working, i.e., the mouse cursor is frozen and there's no reaction to
clicks. Similar to the reporter Xorg.0.log contains the following error:

[...]
(EE) AlpsPS/2 ALPS GlidePoint: Read error 19
[    11.296] (II) config/udev: removing device AlpsPS/2 ALPS GlidePoint
[    11.320] (II) UnloadModule: "synaptics"
[...]

I noticed, that the touchpad is functional again after waking up from
suspend (e.g. by closing the lid).

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https://bugs.launchpad.net/bugs/1382865

Title:
  Dell Latitude E6330 Touchpad stops working

Status in “xserver-xorg-input-synaptics” package in Ubuntu:
  Confirmed

Bug description:
  
  After login, at some point the touchpad stops working.   Have to use a USB mouse, which works fine.

  $ lsb_release -rd
  Description:	Ubuntu 14.10
  Release:	14.10

  Will attach files per instructions here
  https://wiki.ubuntu.com/DebuggingTouchpadDetection

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: xserver-xorg-input-synaptics 1.8.1-1ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-23.30-generic 3.16.4
  Uname: Linux 3.16.0-23-generic x86_64
  ApportVersion: 2.14.7-0ubuntu7
  Architecture: amd64
  Date: Sat Oct 18 15:42:48 2014
  DistUpgraded: 2014-09-26 07:30:34,394 DEBUG enabling apt cron job
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20120703-2
  DistroCodename: utopic
  DistroVariant: ubuntu
  InstallationDate: Installed on 2013-09-17 (396 days ago)
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
  MachineType: Dell Inc. Latitude E6330
  ProcEnviron:
   LANGUAGE=en_US
   TERM=xterm
   PATH=(custom, no user)
   LANG=C
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-23-generic root=UUID=870ded82-2482-4ff3-a3f1-5258247f795f ro quiet splash vt.handoff=7
  SourcePackage: xserver-xorg-input-synaptics
  UpgradeStatus: Upgraded to utopic on 2014-09-26 (22 days ago)
  dmi.bios.date: 05/20/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0YRP01
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd05/20/2013:svnDellInc.:pnLatitudeE6330:pvr01:rvnDellInc.:rn0YRP01:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6330
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Sat Oct 18 14:21:14 2014
  xserver.configfile: default
  xserver.errors: AlpsPS/2 ALPS DualPoint TouchPad: Read error 19
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               12588 
   vendor                                     AUO
  xserver.version: 2:1.16.0-1ubuntu1

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