Ralf, you can workaround this by adjust /etc/apparmor.d/local/usr.bin.evince to have this at the end of the evince-thumbnailer profile:
owner /tmp/{,.}gnome_desktop_thumbnail.* w, then running: sudo apparmor_parser -r /etc/apparmor.d/usr.bin.evince -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to evince in Ubuntu. https://bugs.launchpad.net/bugs/1798091 Title: thumbnailer cannot create tempfiles (with apparmor denials) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1798091/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs