This bug has finally improved in Ubuntu 17.04. There are only 2 errors left:
# update-mime-database /usr/share/mime Unknown media type in type 'all/all' Unknown media type in type 'all/allfiles' However it is not clear to me which file is responsible for this: # grep -r all/allfiles /usr/share/mime /usr/share/mime/all/allfiles.xml:<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="all/allfiles"> /usr/share/mime/packages/kde.xml: <mime-type type="all/allfiles"> /usr/share/mime/types:all/allfiles ** Tags removed: i386 ** Tags added: xenial zesty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/289592 Title: Unknown media types in /usr/share/mime/packages/kde.xml To manage notifications about this bug go to: https://bugs.launchpad.net/shared-mime-info/+bug/289592/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs