Ubuntu
lxdm package

  1. Bug #1240336
  2. Comment #54

Comment 54 for bug 1240336

Revision history for this message
Anders Hall (a.hall) wrote : Re: Not authorized to perform operation / Unable to determine the session we are in: No session for pid

Comment 19 worked for me after reboot on 14.04. The error happened in relation to manual a password reset I did (replaced shadow and passwd with a backup).

https://bugs.launchpad.net/ubuntu/+source/policykit-desktop-privileges/+bug/1240336/comments/19