I can confirm the bug on my system it is related to a compiz crash. A crash report is attached but I had to mangle it a bit to remove the >300MB of coredump.
** Attachment added: "report.txt" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1297771/+attachment/4044856/+files/report.txt -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1297771 Title: Switching accounts requires password twice if account already active. Status in “compiz” package in Ubuntu: Confirmed Bug description: To reproduce: 14.04 1: Login to your main account. 2: Switch user to guest session [without logging out]. 3: Switch user back to main account. 4: Prompt: Password to log back in. 5: Prompt: Password to unlock screen. Additional note: Step 5 happens regardless of whether "Lock" is deactivated in "Brightness & Lock" Suggested by ActionParsnip https://launchpad.net/~andrew-woodhead666 to file as bug. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1297771/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
