[systemd-bugs] [Bug 63672] New: journalctl skips first entry after reboot in certain scenario

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63672

          Priority: medium
            Bug ID: 63672
          Assignee: systemd-bugs at lists.freedesktop.org
           Summary: journalctl skips first entry after reboot in certain
                    scenario
        QA Contact: systemd-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: marius.vollmer at redhat.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: general
           Product: systemd

There is a inconsistency when using "-n".  First without:

# journalctl UNIT=boot.mount | tail -20
Apr 11 05:37:28 f18 systemd[1]: Mounting /boot...
Apr 11 05:37:28 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 12 02:09:41 f18 systemd[1]: Mounting /boot...
Apr 12 02:09:41 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 15 02:53:17 f18 systemd[1]: Mounting /boot...
Apr 15 02:53:17 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 15 13:01:50 f18 systemd[1]: Mounting /boot...
Apr 15 13:01:50 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 16 02:17:29 f18 systemd[1]: Mounting /boot...
Apr 16 02:17:29 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 16 09:06:05 f18 systemd[1]: Mounting /boot...
Apr 16 09:06:05 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 17 11:12:33 f18 systemd[1]: Mounting /boot...
Apr 17 11:12:33 f18 systemd[1]: Mounted /boot.

There seem to be two messages per boot about the "boot.mount" unit.

Now with -n:

sh-4.2# journalctl UNIT=boot.mount -n10 
-- Logs begin at Fri 2013-04-05 04:13:15 EDT, end at Thu 2013-04-18 03:01:01
EDT. --
Apr 15 02:53:17 f18 systemd[1]: Mounting /boot...
Apr 15 02:53:17 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 15 13:01:50 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 16 02:17:29 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 16 09:06:05 f18 systemd[1]: Mounted /boot.
-- Reboot --
Apr 17 11:12:33 f18 systemd[1]: Mounted /boot.

After crossing a "-- Reboot --" line, the "Mounting /boot" message is skipped.

I haven't yet checked this with master.  I'll investigate a bit myself also.

(I think this is quite major since silently omitting messages is never good.)

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