The related cups bug should be https://www.cups.org/str.php?L4521+P-1+S-2+C0+I0+E0+Q
Anyway i'm having the same issue, i attach my apport log. ** Attachment added: "apport.cups.fh_8t_4d.apport" https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1428046/+attachment/4390688/+files/apport.cups.fh_8t_4d.apport ** Changed in: cups (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1428046 Title: switch on the printer makes cupsd use 100% cpu To manage notifications about this bug go to: https://bugs.launchpad.net/cups/+bug/1428046/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs