/lib/systemd/systemd-journald:6:fsync:journal_file_set_online:journal_file_append_object:journal_file_append_data:journal_file_append_entry

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding systemd. This problem was most recently seen with package version 237-3ubuntu10, the problem page at https://errors.ubuntu.com/problem/ef53414acdfe092569388629a5c446880d0bcba1 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.