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)
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)