apologies, maybe this one should be merged with report 1579404..
after some more google it's more a lightdm issue then xorg I think.
regards,
Arno
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: lightdm 1.18.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-22.39-lowlatency 4.4.8
Uname: Linux 4.4.0-22-lowlatency x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Sat May 7 20:06:39 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-09-24 (225 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
LightdmGreeterLogOld:
** Message: Starting lightdm-gtk-greeter 2.0.1 (Aug 7 2015, 01:24:18)
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf.d/30_xubuntu.conf
upstart: indicator-application main process (2821) killed by TERM signal
SourcePackage: lightdm
UpgradeStatus: Upgraded to xenial on 2016-04-22 (14 days ago)
---
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
DistroRelease: Ubuntu 16.04
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-09-24 (225 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
LightdmGreeterLogOld:
** Message: Starting lightdm-gtk-greeter 2.0.1 (Aug 7 2015, 01:24:18)
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf.d/30_xubuntu.conf
upstart: indicator-application main process (2821) killed by TERM signal
Package: lightdm 1.18.1-0ubuntu1
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.4.0-22.39-lowlatency 4.4.8
Tags: xenial
Uname: Linux 4.4.0-22-lowlatency x86_64
UpgradeStatus: Upgraded to xenial on 2016-04-22 (14 days ago)
UserGroups:
_MarkForUpload: True
mouse not visible, but working after resume.