Definitely an apparmor problem. Turning off apparmor allows the file to be created in ~/PDF just fine.
Should've thought to do that the first time around... -- cups-pdf incompatible with .Private ecryptfs-encrypted homedir https://bugs.launchpad.net/bugs/371129 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs