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[Sylvain Duchesne <mail@xxxxxxxxxxxxxxxxxxx>]

I am facing quite a similar bug.

[ 5064.348229] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at byte 6
[ 5064.374647] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at byte 6
[ 5064.401144] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at byte 6
[ 5064.427147] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at byte 6
[ 5064.453618] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at byte 6
[ 5064.453630] psmouse serio1: issuing reconnect request

The touchpad is not responding during several seconds. It could happen again some seconds later or not happen during hours.
This is very annoying :(

Note: I had this issues years ago then it disappeared (maybe thanks to
the fix associated to this thread) and now this problem is back (from
one month or two).

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https://bugs.launchpad.net/bugs/1229361

Title:
  psmouse serio1: Trackpad lost sync at byte 1 ... driver resynced

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Raring:
  Fix Released
Status in linux source package in Saucy:
  Fix Released

Bug description:
  When the lid of my Dell XPS 13 Developer Edition is closed (or when I
  place a piece of paper or my hand on the Trackpad) I get a flood of
  these messages in /var/log/kern.log:

  Sep 23 21:09:02 helium kernel: [  353.953960] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  353.956037] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  353.985707] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  353.987062] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  354.017140] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  354.018946] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  354.049057] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  354.050688] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  354.081213] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  354.082774] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  354.112302] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  354.114059] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  354.143780] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  354.145029] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  354.174322] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1
  Sep 23 21:09:02 helium kernel: [  354.176148] psmouse serio1: Trackpad at isa0060/serio1/input0 - driver resynced.
  Sep 23 21:09:02 helium kernel: [  354.206523] psmouse serio1: Trackpad at isa0060/serio1/input0 lost sync at byte 1

  According to this two other bug reports, this bug seems to have never
  been fixed since 12.04:

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1171902
  https://bugs.launchpad.net/dell-sputnik/+bug/1048258

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-8-generic 3.11.0-8.15
  ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
  Uname: Linux 3.11.0-8-generic x86_64
  ApportVersion: 2.12.4-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  dave       2010 F.... pulseaudio
   /dev/snd/controlC0:  dave       2010 F.... pulseaudio
  Date: Mon Sep 23 21:10:22 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=2c84d8ac-a986-49a8-87fe-c831618c27eb
  InstallationDate: Installed on 2013-09-21 (2 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130921)
  MachineType: Dell Inc. Dell System XPS L322X
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-8-generic root=UUID=a8e9f770-5a80-4ce0-92c2-451af2f20c64 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-8-generic N/A
   linux-backports-modules-3.11.0-8-generic  N/A
   linux-firmware                            1.114
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/15/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: 0PJHXN
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA09:bd05/15/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L322X
  dmi.sys.vendor: Dell Inc.

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