[systemd-bugs] [Bug 88725] New: systemd 218 timer w/ Persistent=true doesn't fire the first time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88725

            Bug ID: 88725
           Summary: systemd 218 timer w/ Persistent=true doesn't fire the
                    first time
           Product: systemd
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: systemd-bugs at lists.freedesktop.org
          Reporter: me at mooluv.com
        QA Contact: systemd-bugs at lists.freedesktop.org

A persistent timer that has not previously fired will not fire on startup, this
is valid per a pedantic reading of the man page.  For the needs of an
individual with a laptop it would be nice to not have to leave the laptop on
overnight just to get a last-run timestamp so that Persistent works.  I haven't
found a method to fake the timer having fired unfortunately.


Details showing how persistent=true behaves:

systemd 218
+PAM -AUDIT -SELINUX -IMA -APPARMOR +SMACK -SYSVINIT +UTMP +LIBCRYPTSETUP
+GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID -ELFUTILS +KMOD +IDN

NEXT                         LEFT                LAST                        
PASSED       UNIT                           ACTIVATES
Fri 2015-01-23 00:00:00 EST  4h 36min left       n/a                         
n/a          zfs-auto-snapshot-daily.timer  zfs-auto-snapshot-daily.service

relevant unit parts:
[Timer]
OnCalendar=daily
Persistent=true


The above timer has been enabled on my laptop for the last 3 days.  My laptop
is not on as midnight and so the timer doesn't fire.  

Another timer:

Thu 2015-01-22 20:00:00 EST  33min left          Thu 2015-01-22 19:00:15 EST 
26min ago    zfs-auto-snapshot-hourly.timer zfs-auto-snapshot-hourly.service

Same basic idea, only hourly.  This DOES fire after my laptop comes out of
suspend as shown here, snapshot names are in UTC, I put the EST time in last
column
rpool/home at znap_2015-01-22-0300_hourly   15.7M      -  2.40G  -  - 10:00pm EST
rpool/home at znap_2015-01-22-1413_hourly   16.2M      -  2.40G  -  - 09:14am EST
rpool/home at znap_2015-01-22-1500_hourly   37.5M      -  2.40G  -  - 10:00am EST
rpool/home at znap_2015-01-22-1600_hourly   37.7M      -  2.40G  -  - 11:00am EST

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