Bug 81067

Summary: org.freedesktop.DBus.Properties.PropertiesChanged signal is sent on system bus, but not on session bus
Product: systemd Reporter: Tomasz Sterna <tomek>
Component: generalAssignee: systemd-bugs
Status: RESOLVED INVALID QA Contact: systemd-bugs
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: ARM   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:

Description Tomasz Sterna 2014-07-08 21:09:47 UTC 
When I start a service on a system bus:
# systemctl --system start apkd.service
I see:
dbus-monitor --system "type='signal'"
[...]
signal sender=:1.1 -> dest=(null destination) serial=527 path=/org/freedesktop/systemd1/unit/apkd_2eservice; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.freedesktop.systemd1.Unit"

But when I start a service on session bus:
$ systemctl --user start pebbled.service
I see nothing on:
$ dbus-monitor --session "type='signal'"
Comment 1 Tomasz Sterna 2014-07-08 21:42:25 UTC 
nmd
"Note that most signals are sent out only after Subscribe() has been invoked by at least one client."

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