The backup completed succesfully (while running automatically) after I changed in /etc/xdg/autostart/org.gnome.DejaDup.Monitor.desktop from
Exec=sh -c "ulimit -v 1000000; exec /usr/lib/x86_64-linux-gnu/deja-dup /deja-dup-monitor" to Exec=sh -c "ulimit -v 1000000; ulimit -n 4096; exec /usr/lib/x86_64 -linux-gnu/deja-dup/deja-dup-monitor" Limits file of process under /proc still shows Max open files 1024 1048576 files -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727653 Title: error: can't start new thread To manage notifications about this bug go to: https://bugs.launchpad.net/duplicity/+bug/1727653/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs