Known issues (and hopefully solutions!)

2015-03-10 – Mac queue stalls, smb deny system-kext-load appears in system log

After rebooting my Mac to apply the FREAK SSL update, my print queues stopped working. The CUPS log claimed not to be able to connect to the server, but it was working OK from other machines. It appears that the sandboxing settings in CUPS are getting in the way – a quick google threw up this result which suggests it’s a Yosemite issue. Thankfully there is a workaround:

sudo sh -c 'echo "Sandboxing Relaxed" >> /etc/cups/cups-files.conf'
sudo launchctl stop org.cups.cupsd
sudo cupsctl DefaultAuthType=Negotiate

And after that all was well. I’ve added these instructions to the main OS X notes for future installs.