В Tue, 28 Oct 2014 14:31:17 +1100
Andrew Beekhof <and...@beekhof.net> пишет:
>
> > On 28 Oct 2014, at 7:36 am, Neale Ferguson <ne...@sinenomine.net> wrote:
> >
> > I am getting loads of these types of messages in syslog:
> >
> > Oct 27 16:23:47 rh7cn1 systemd: pacemaker.service: Got notification
> > message from PID 43007, but reception only permitted for PID 17131
> >
> >
> > PID 43007 refers to the https resource and 17131 to pacemakerd.
> >
> > A search on this type of message shows a similar question on this list
> > from March 2014 but no resolution. The RH Bugzilla system has 1150184 in
> > the system that was last updated Oct 7 but it is restricted, so I was
> > wondering if anyone knows of the progress on this issue?
>
> httpd.service uses 'Type=notify'
>
>
> Type=
> Configures the process start-up type for this service unit. One of simple,
> forking, oneshot, dbus, notify or idle.
>
>
> Behavior of notify is similar to simple; however, it is expected that the
> daemon sends a notification message via sd_notify(3) or an equivalent call
> when it has finished starting up. systemd will proceed with starting
> follow-up units after this notification message has been sent. If this option
> is used, NotifyAccess= (see below) should be set to open access to the
> notification socket provided by systemd. If NotifyAccess= is not set, it will
> be implicitly set to main.
>
> If set to simple (the default value if neither Type= nor BusName= are
> specified), it is expected that the process configured with ExecStart= is the
> main process of the service. In this mode, if the process offers
> functionality to other processes on the system, its communication channels
> should be installed before the daemon is started up (e.g. sockets set up by
> systemd, via socket activation), as systemd will immediately proceed starting
> follow-up units.
>
>
> Looking at the code, the message seems to be an older version of this:
>
> ./src/core/service.c-2553- if (s->notify_access == NOTIFY_MAIN && pid
> != s->main_pid) {
> ./src/core/service.c-2554- if (s->main_pid != 0)
> ./src/core/service.c:2555: log_warning_unit(u->id,
> "%s: Got notification message from PID "PID_FMT", but reception only
> permitted for main PID "PID_FMT, u->id, pid, s->main_pid);
>
> So rephrasing:
>
> Got notification message from httpd, but reception only permitted for
> pacemakerd
>
> So it seems that systemd is calculating the wrong value for main_pid
>
It's also possible that httpd is defined as OCF resource instead of
systemd ...
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