Sorry but that argument is illogical. The only retention period that would ensure that you always have the boot time kernel messages is 'infinity' and that's not a reasonable option for obvious reasons (c.f. LP #1618188).
** Changed in: systemd (Ubuntu) Status: Won't Fix => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1450588 Title: /var/log/dmesg No Longer Being Updated To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1450588/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs