/var/log/dist-upgrade/main.log
...
2014-09-02 02:50:29,109 DEBUG killing update-notifier
2014-09-02 02:50:29,119 DEBUG killing kblueplugd kbluetooth4
2014-09-02 02:50:29,128 DEBUG killing gnome-screensaver
2014-09-02 02:50:29,138 DEBUG setup poke timer for the scrensaver
2014-09-02 02:50:29,142 DEBUG apt btrfs snapshots supported: False
2014-09-02 02:50:29,143 INFO cache.commit()
2014-09-02 02:50:29,143 DEBUG failed to SystemUnLock() (E:Not locked)
2014-09-02 03:04:36,538 WARNING no activity on terminal for 300 seconds (Unpacking python)
2014-09-02 03:18:48,584 ERROR got an error from dpkg for pkg: 'man-db': 'subprocess installed post-installation script was killed by signal (Terminated)'
2014-09-02 03:18:48,585 DEBUG running apport_pkgfailure() man-db: subprocess installed post-installation script was killed by signal (Terminated)
2014-09-02 03:18:48,605 WARNING Failed to determine apport version (No module named pyexpat)
2014-09-02 03:18:48,608 ERROR got an error from dpkg for pkg: 'man-db': 'subprocess installed post-installation script was killed by signal (Terminated)'