Public bug reported:
1. Install lightdm
2. Remove lightdm
3. Install some random package that adds a new system user
4. Install unity-greeter which pulls in lightdm
5. Set lightdm as default and either reboot or kill any other dm's and sudo
service lightdm start
What should happen
================
You get the pretty Unity greeter
What does happen
===============
You get the X failed to start box.
During the install in step 4, I got this output:
Setting up lightdm (1.3.3-0ubuntu4) ...
Adding group `lightdm' (GID 131) ...
Done.
Warning: The home dir /var/lib/lightdm you specified already exists.
Adding system user `lightdm' (UID 119) ...
Adding new user `lightdm' (UID 119) with group `lightdm' ...
The home directory `/var/lib/lightdm' already exists. Not copying from
`/etc/skel'.
adduser: Warning: The home directory `/var/lib/lightdm' does not belong to the
user you are currently creating.
usermod: no changes
usermod: no changes
usermod: no changes
I verified that /var/lib/lightdm was owned by lightdm:lightdm. However,
there are a bunch of left-over dot files and directories inside
/var/lib/lightdm that are owned by some other random system user.
Proposed fix
==========
This in debian/lightdm.postinst should be recursive:
if [ -d /var/lib/lightdm ]; then
chown lightdm:lightdm /var/lib/lightdm
chmod 0750 /var/lib/lightdm
fi
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: lightdm 1.3.3-0ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
Uname: Linux 3.5.0-15-generic x86_64
ApportVersion: 2.5.2-0ubuntu4
Architecture: amd64
Date: Mon Sep 24 16:58:04 2012
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug quantal rls-q-mgr-incoming running-unity
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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/1055783
Title:
LightDM doesn't take full ownership of /var/lib/lightdm which can
prevent lightdm from starting
Status in “lightdm” package in Ubuntu:
New
Bug description:
1. Install lightdm
2. Remove lightdm
3. Install some random package that adds a new system user
4. Install unity-greeter which pulls in lightdm
5. Set lightdm as default and either reboot or kill any other dm's and sudo
service lightdm start
What should happen
================
You get the pretty Unity greeter
What does happen
===============
You get the X failed to start box.
During the install in step 4, I got this output:
Setting up lightdm (1.3.3-0ubuntu4) ...
Adding group `lightdm' (GID 131) ...
Done.
Warning: The home dir /var/lib/lightdm you specified already exists.
Adding system user `lightdm' (UID 119) ...
Adding new user `lightdm' (UID 119) with group `lightdm' ...
The home directory `/var/lib/lightdm' already exists. Not copying from
`/etc/skel'.
adduser: Warning: The home directory `/var/lib/lightdm' does not belong to
the user you are currently creating.
usermod: no changes
usermod: no changes
usermod: no changes
I verified that /var/lib/lightdm was owned by lightdm:lightdm.
However, there are a bunch of left-over dot files and directories
inside /var/lib/lightdm that are owned by some other random system
user.
Proposed fix
==========
This in debian/lightdm.postinst should be recursive:
if [ -d /var/lib/lightdm ]; then
chown lightdm:lightdm /var/lib/lightdm
chmod 0750 /var/lib/lightdm
fi
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: lightdm 1.3.3-0ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
Uname: Linux 3.5.0-15-generic x86_64
ApportVersion: 2.5.2-0ubuntu4
Architecture: amd64
Date: Mon Sep 24 16:58:04 2012
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1055783/+subscriptions
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