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 Touch seeded packages, which is subscribed to shared-mime-info in Ubuntu. https://bugs.launchpad.net/bugs/289592 Title: Unknown media types in /usr/share/mime/packages/kde.xml Status in shared-mime-info: Confirmed Status in kde4libs package in Ubuntu: Invalid Status in shared-mime-info package in Ubuntu: Triaged Status in kde4libs package in Debian: New Status in shared-mime-info package in Debian: Confirmed Bug description: Here is the problem: # update-mime-database /usr/share/mime [...] Unknown media type in type 'uri/mms' Unknown media type in type 'uri/mmst' Unknown media type in type 'uri/mmsu' Unknown media type in type 'uri/pnm' Unknown media type in type 'uri/rtspt' Unknown media type in type 'uri/rtspu' It seems to come from this file: /usr/share/mime/packages/kde.xml To manage notifications about this bug go to: https://bugs.launchpad.net/shared-mime-info/+bug/289592/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp