With todays unattended-upgrade the same happened again: all packages related to kubuntu-desktop were automatically uninstalled in the course of the installation of the kde updates (to 4.8.4a).
If anybody has any idea how to track the cause down please give advice. I have no better idea than a reinstall to work around it. unattended-upgrades.log has this: 2012-07-20 10:09:11,182 INFO Packages that are upgraded: akregator <long list> 2012-07-20 10:09:11,188 INFO Das dpkg-Protokoll wird in »/var/log/unattended-upgrades/unattended-upgrades-dpkg_2012-07-20_10:09:11.182564.log« gespeichert 2012-07-20 10:35:00,879 INFO Alle Aktualisierungen wurden installiert but this excerpt from unattended-upgrades-dpkg_2012-07-20_10:09:11.182564.log shows the packages were upgraded and then uninstalled (grep kmail unatt...564.log): Vorbereitung zum Ersetzen von kmail 4:4.8.4a-0ubuntu0.1 (durch .../kmail_4%3a4.8.4a-0ubuntu0.3_amd64.deb) ... Ersatz für kmail wird entpackt ... kmail (4:4.8.4a-0ubuntu0.3) wird eingerichtet ... Entfernen von kmail ... also seen in $grep kmail /var/log/dpkg.log 2012-07-20 10:28:59 upgrade kmail 4:4.8.4a-0ubuntu0.1 4:4.8.4a-0ubuntu0.3 2012-07-20 10:28:59 status half-configured kmail 4:4.8.4a-0ubuntu0.1 2012-07-20 10:28:59 status unpacked kmail 4:4.8.4a-0ubuntu0.1 2012-07-20 10:28:59 status half-installed kmail 4:4.8.4a-0ubuntu0.1 2012-07-20 10:28:59 status half-installed kmail 4:4.8.4a-0ubuntu0.1 2012-07-20 10:28:59 status half-installed kmail 4:4.8.4a-0ubuntu0.1 2012-07-20 10:29:02 status unpacked kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:29:02 status unpacked kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:29:21 configure kmail 4:4.8.4a-0ubuntu0.3 <keine> 2012-07-20 10:29:21 status unpacked kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:29:21 status half-configured kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:29:24 status installed kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:32:27 status installed kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:32:27 remove kmail 4:4.8.4a-0ubuntu0.3 <keine> 2012-07-20 10:32:27 status half-configured kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:32:27 status half-installed kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:32:27 status half-installed kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:32:30 status config-files kmail 4:4.8.4a-0ubuntu0.3 2012-07-20 10:32:30 status config-files kmail 4:4.8.4a-0ubuntu0.3 ** Summary changed: - unattended-upgrade removed kubuntu-desktop + unattended-upgrade removed kubuntu-desktop and related packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1020680 Title: unattended-upgrade removed kubuntu-desktop and related packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1020680/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs