Ubuntu
update-manager package

  1. Precise (12.04)
  2. Bug #848915
  3. Comment #14

Comment 14 for bug 848915

Revision history for this message
Steve Langasek (vorlon) wrote : Re: cryptic traceback when running update-manager w/no X $DISPLAY

The issue here is not that the error message is unclear; the issue is that update-manager is being run with $DISPLAY unset, when this shouldn't ever happen on the desktop. So something is wrong in the privilege handling stack when we try to do a partial upgrade.