Note the user removal code was copied straight from the GDM package when LightDM was first packaged. So there may be a similar issue with GDM.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/924224 Title: LightDM package fails to remove if lightdm user is in use Status in lightdm package in Ubuntu: Triaged Status in lightdm source package in Precise: Triaged Status in lightdm source package in Trusty: Triaged Status in lightdm source package in Vivid: Triaged Status in lightdm source package in Wily: Triaged Bug description: Ubuntu 11.04. apt-get uninstall lightdm ot an 'Error 8', then the crash report appeared. ProblemType: Package DistroRelease: Ubuntu 11.04 Package: lightdm (not installed) ProcVersionSignature: Ubuntu 2.6.38-13.54-generic 2.6.38.8 Uname: Linux 2.6.38-13-generic i686 AptOrdering: lightdm: Purge Architecture: i386 Date: Tue Jan 31 08:40:27 2012 ErrorMessage: el subproceso instalado el script post-removal devolvió el código de salida de error 1 InstallationMedia: Macbuntu-iso - Release i386 SourcePackage: lightdm Title: package lightdm (not installed) failed to install/upgrade: el subproceso instalado el script post-removal devolvió el código de salida de error 1 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/924224/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp