I can confirm this as well. I am on Edgy and today update-manager said I have to dist-upgrade (this is a new install of knot2).
It crashed with : Traceback (most recent call last): File "/usr/bin/update-manager", line 76, in ? controler = DistUpgradeControler(view, datadir=data_dir) File "/usr/lib/python2.4/site-packages/DistUpgrade/DistUpgradeControler.py", line 128, in __init__ os.O_RDWR|os.O_CREAT|os.O_TRUNC, 0644) OSError: [Errno 2] No such file or directory: '/var/log/dist- upgrade/apt.log' I am also requested to include logs that reside in /var/log/dist- upgrade, which however doesn't exist. ** Changed in: update-manager (Ubuntu) Importance: Untriaged => Medium Status: Unconfirmed => Confirmed -- update-manager crashes when /var/log/dist-upgrade doesn't exist https://launchpad.net/bugs/59311 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs