I'm experiencing a similar problem on a fresh new Kubuntu 15.04, but 100% CPU only takes place when I try to add a printer (e.g., using http://localhost:631)... the only thing I find in the syslog is
Apr 28 10:58:06 bettini-K53SV /hpfax: [8139]: error: Failed to create /var/spool/cups/tmp/.hplip By the way, when adding a new printer, adding a Samba printer is not proposed (though samba is installed) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1426490 Title: cups 2.0.2-1 100% cpu usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1426490/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs