Just checked - precise doesn't have this bug. It has:
stop gdm || :
which always succeeds.
** Description changed:
- -
+ Currently the gdm package attempts to stop the gdm daemon when it is
+ uninstalled. If this fails the package fails to uninstall.
- ProblemType: Package
- DistroRelease: Ubuntu 12.10
- Package: gdm 3.5.92.1-0ubuntu1
- 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
- AptOrdering:
- gdm: Remove
- libaudit0: Remove
- Architecture: amd64
- Date: Sat Sep 22 17:06:42 2012
- DpkgTerminalLog:
- Removing gdm ...
- stop: Unknown instance:
- dpkg: error processing gdm (--remove):
- subprocess installed pre-removal script returned error exit status 1
- DuplicateSignature:
- Removing gdm ...
- stop: Unknown instance:
- dpkg: error processing gdm (--remove):
- subprocess installed pre-removal script returned error exit status 1
- ErrorMessage: subprocess installed pre-removal script returned error exit
status 1
- InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120724.2)
- SourcePackage: gdm
- Title: package gdm 3.5.92.1-0ubuntu1 failed to install/upgrade: subprocess
installed pre-removal script returned error exit status 1
- UpgradeStatus: No upgrade log present (probably fresh install)
+ The daemon is not necessarily running when the package is uninstalled so
+ this is a bug, also it is unsafe to stop the daemon as the sysadmin
+ might not be expecting this. Fix is to not attempt to stop the dameon at
+ all and leave that to the sysadmin to do before uninstalling the
+ package.
+
+ [Test Case]
+ 1. sudo apt-get install gdm
+ 2. sudo stop gdm
+ 3. sudo apt-get remove gdm
+ Expected result:
+ gdm package successfully uninstalls
+ Observed result:
+ Package fails to uninstall.
+
+ [Regression Potential]
+ When uninstalling GDM the daemon will no longer be stopped. There is a risk
of someone relying on this behaviour but it seems unlikely.
** Changed in: gdm (Ubuntu Precise)
Status: Triaged => Invalid
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https://bugs.launchpad.net/bugs/1055359
Title:
GDM package fails to uninstall if GDM not running
Status in “gdm” package in Ubuntu:
Triaged
Status in “gdm” source package in Precise:
Invalid
Status in “gdm” source package in Quantal:
Triaged
Bug description:
Currently the gdm package attempts to stop the gdm daemon when it is
uninstalled. If this fails the package fails to uninstall.
The daemon is not necessarily running when the package is uninstalled
so this is a bug, also it is unsafe to stop the daemon as the sysadmin
might not be expecting this. Fix is to not attempt to stop the dameon
at all and leave that to the sysadmin to do before uninstalling the
package.
[Test Case]
1. sudo apt-get install gdm
2. sudo stop gdm
3. sudo apt-get remove gdm
Expected result:
gdm package successfully uninstalls
Observed result:
Package fails to uninstall.
[Regression Potential]
When uninstalling GDM the daemon will no longer be stopped. There is a risk
of someone relying on this behaviour but it seems unlikely.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm/+bug/1055359/+subscriptions
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