I cannot reproduce this with 1.2.1-0ubuntu1, can you confirm?
ubuntu@ubuntu-VirtualBox:/tmp/lightdm-1.2.1$ sudo apt-get purge lightdm
[sudo] password for ubuntu:
Reading package lists... 0%Reading package lists... 100%Reading package
lists... Done
Building dependency tree...
Reading state information...
The following packages will be REMOVED:
lightdm* ubuntu-desktop*
0 upgraded, 0 newly installed, 2 to remove and 80 not upgraded.
After this operation, 501 kB disk space will be freed.
Do you want to continue [Y/n]? Y
(Reading database ... 144998 files and directories currently installed.)
Removing ubuntu-desktop ...
Removing lightdm ...
Purging configuration files for lightdm ...
Removing user `lightdm' ...
Warning: group `lightdm' has no more members.
Done.
dpkg: warning: while removing lightdm, directory '/etc/lightdm' not empty so
not removed.
Processing triggers for man-db ...
Processing triggers for ureadahead ...
ureadahead will be reprofiled on next reboot
ubuntu@ubuntu-VirtualBox: /tmp/lightdm-1.2.1$
** Changed in: lightdm (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: lightdm (Ubuntu)
Assignee: (unassigned) => Matt Fischer (mfisch)
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/992376
Title:
package lightdm (not installed) failed to install/upgrade: subprocess
installed post-removal script returned error exit status 1
Status in “lightdm” package in Ubuntu:
Incomplete
Bug description:
lightdm failed to install or uninstall properly. While it was
installed I could not login to my system. stopping the service and
then removing the package and installing gdm fixed the issue. Not as
pretty but at least I can login.
Description: Ubuntu 12.04 LTS
Release: 12.04
ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: lightdm (not installed)
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
AptOrdering:
lightdm-gtk-greeter: Purge
ubuntu-desktop: Purge
lightdm: Purge
Architecture: amd64
Date: Mon Apr 30 21:15:34 2012
ErrorMessage: subprocess installed post-removal script returned error exit
status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: lightdm
Title: package lightdm (not installed) failed to install/upgrade: subprocess
installed post-removal script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-04-27 (3 days ago)
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https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/992376/+subscriptions
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