I have this too with Xenial. Looking at yesterday's syslog: $ sudo grep -c "Ignored relative path" /var/log/syslog.1 19728
and here are the first few lines: $ sudo grep -m30 ureadahead /var/log/syslog.1 Oct 6 08:00:20 dl1 systemd[1]: Stopped Stop ureadahead data collection 45s after completed startup. Oct 6 08:01:02 dl1 systemd[1]: Started Stop ureadahead data collection 45s after completed startup. Oct 6 08:01:47 dl1 systemd[1]: Starting Stop ureadahead data collection... Oct 6 08:01:47 dl1 systemd[1]: Started Stop ureadahead data collection. Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:events/fs/open_exec/enable: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:buffer_size_kb: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:tracing_on: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:binfmt_misc: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:size: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:start: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:size: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:start: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:size: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:start: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:size: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:start: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:size: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:start: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:dm/uuid: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: message repeated 11 times: [ ureadahead:dm/uuid: Ignored relative path] Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:.: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:1/stat: Ignored relative path Oct 6 08:01:47 dl1 ureadahead[222]: ureadahead:1/cmdline: Ignored relative path -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1085766 Title: /var/log/upstart/ureadahead.log contains garbage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1085766/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs