[Bug 1579226] [NEW] Mouse stops at login after upgrade

[TR Precht]

Public bug reported:

After upgrading to 16.04, my mouse stops after logging in. It is still
seen by the system when I run 'lsusb' and works fine at the welcome
screen, but after Unity starts to load the mouse stops being able to be
moved.  I have touch screen as well (System76 sablet3), which still
works.  After I use the touch screen, the mouse cursor disappears.
Issue persists after multiple updates and reboots.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.14
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Fri May  6 16:31:22 2016
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: Upgraded to xenial on 2016-05-06 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade xenial

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https://bugs.launchpad.net/bugs/1579226

Title:
  Mouse stops at login after upgrade

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  After upgrading to 16.04, my mouse stops after logging in. It is still
  seen by the system when I run 'lsusb' and works fine at the welcome
  screen, but after Unity starts to load the mouse stops being able to
  be moved.  I have touch screen as well (System76 sablet3), which still
  works.  After I use the touch screen, the mouse cursor disappears.
  Issue persists after multiple updates and reboots.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.14
  ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri May  6 16:31:22 2016
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to xenial on 2016-05-06 (0 days ago)
  VarLogDistupgradeTermlog:

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