removal of linux-image package leaves /lib/modules/`uname -r`

[Scott Moser]

SRU Justification/Impact (Karmic):
Purge fails to completely remove files from /lib/modules/`uname -r`. Subsequently a warning is displayed and /lib/modules/`uname -r` is not completely removed. A similar fix to resolve this issue was applied to the master branch via commit 8b453930465c15f490ea44c2987b0a1bfe71ed66. Apply the same fix to the Karmic ec2 branch.

TEST CASE (Karmic):
install linux-image-2.6.31-30x.y and verify /lib/modules/2.6.31-30x-ec2 exists
sudo apt-get remove --purge linux-image-2.6.31-30x.y and verify /lib/modules/2.6.31-30x-ec2 has been completely removed

It's my understanding the issue currently exists in lucid but will be soon a non-issue with recent changes which pull in common files (like control-scripts/prerm) into the debian dir.

=====

removing the linux-image-2.6.32-302-ec2 package leaves the module dir around.

$ sudo apt-get remove --purge linux-image-2.6.32-302-ec2
...
Purging configuration files for linux-image-2.6.32-302-ec2 ...
dpkg: warning: while removing linux-image-2.6.32-302-ec2, directory '/lib/modules/2.6.32-302-ec2' not empty so not removed.

$ ls -l /lib/modules/2.6.32-302-ec2
total 776
-rw-r--r-- 1 root root 360846 2010-02-18 01:33 modules.alias.bin
-rw-r--r-- 1 root root 218492 2010-02-18 01:33 modules.dep.bin
-rw-r--r-- 1 root root 195836 2010-02-18 01:33 modules.symbols.bin

the files above were created (I belive) by the installation of the package, they should be correctly removed on removal.

ProblemType: Bug
Architecture: i386
Date: Fri Feb 19 01:21:19 2010
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-302-ec2 2.6.32-302.6
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: User Name 2.6.32-302.6-ec2
SourcePackage: linux-ec2
Uname: Linux 2.6.32-302-ec2 i686

[Leann Ogasawara (leannogasawara)]

Looks like a similar patch that was applied to debian.master/control-scripts/prerm needs to be applied to debian.ec2/control-scripts/prerm. Below is the patch that was applied to debian.master:

commit 8b453930465c15f490ea44c2987b0a1bfe71ed66
Author: Bryan Wu <email address hidden>
Date: Wed Mar 25 17:31:26 2009 +0800

    UBUNTU: Add 3 missing files to prerm remove file list

[Jeremy Foshee (jeremyfoshee)]

approved nomination for Karmic.

-JFo

[Leann Ogasawara (leannogasawara)]

Sent patch to kernel-team ml for review:

https://lists.ubuntu.com/archives/kernel-team/2010-February/008971.html