Trying again... After reading the linked systemd bug report, I changed /usr/lib/systemd/system/apport-autoreport.path from having PathExistsGlob to PathChangedGlob and ran sudo systemctl daemon-reload, and this seemed to fix the problem:
[Unit] Description=Process error reports when automatic reporting is enabled (file watch) ConditionPathExists=/var/lib/apport/autoreport [Path] PathChangedGlob=/var/crash/*.crash [Install] WantedBy=paths.target Now journalctl -e shows: Sep 23 18:00:35 xps15 whoopsie-upload-all[12306]: /var/crash/_opt_wine-devel_bin_wine-preloader.1000.cr> Sep 23 18:00:35 xps15 whoopsie-upload-all[12306]: All reports processed Sep 23 18:00:35 xps15 systemd[1]: apport-autoreport.service: Succeeded. Sep 23 18:00:35 xps15 systemd[1]: Finished Process error reports when automatic reporting is enabled. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891657 Title: systemd 100% cpu usage apport-autoreport.service: Failed with result 'start-limit-hit' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1891657/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs