Public bug reported: This happened while upgrading from 13.04 to 13.10 via aptitude. The post-installation script of lightdm 1.8.2-0ubuntu1 tries to change the owner of the directory /var/lib/lightdm recursively. Unfortunately, this directory harbours a Gvfs related mount point (/var/lib/lightdm/.gvfs) whose owner can't be changed this way. The post-installation script exits with an error, leaving lightdm unconfigured.
Workaround: Unmount /var/lib/lightdm/.gvfs manually and restart the dist-upgrade. I experienced the same error while upgrading from 12.10 to 13.04. Do you guys actually read the bug reports? ProblemType: Package DistroRelease: Ubuntu 13.10 Package: lightdm 1.8.2-0ubuntu1 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.12.5-0ubuntu2 Architecture: amd64 Date: Wed Oct 16 21:04:56 2013 DuplicateSignature: package:lightdm:1.8.2-0ubuntu1:Unterprozess installiertes post-installation-Skript gab den Fehlerwert 1 zurück ErrorMessage: Unterprozess installiertes post-installation-Skript gab den Fehlerwert 1 zurück InstallationDate: Installed on 2011-10-13 (733 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) LightdmConfig: [SeatDefaults] greeter-session=unity-greeter user-session=ubuntu allow-guest=false MarkForUpload: True SourcePackage: lightdm Title: package lightdm 1.8.2-0ubuntu1 failed to install/upgrade: Unterprozess installiertes post-installation-Skript gab den Fehlerwert 1 zurück UpgradeStatus: Upgraded to saucy on 2012-04-17 (547 days ago) ** Affects: lightdm (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package saucy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1240675 Title: lightdm 1.8.2-0ubuntu1 failed to upgrade: lightdm.postinst still chokes on /var/lib/lightdm/.gvfs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1240675/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs