I have now fixed it by correcting the permissions after starting the daemon, as Ralf Hildebrandt said.
Get the corrected packages for testing here: http://www.linux-foundation.org/~till/tmp/ubuntu/feisty/cupsys/ My CUPS daemon is now happily logging and I hope this helps us to fix the other printing-related bugs. ** Changed in: cupsys (Ubuntu) Status: In Progress => Fix Committed -- cupsd can't access /var/log/cups/error_log permission denied https://launchpad.net/bugs/54277 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
