systemd/0007-dbus-suppress-duplicate-and-misleading-messages.patch

From fe7f06f142cf42928e419d8578afd75bf1439672 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 11 Mar 2014 04:10:19 +0100
Subject: [PATCH] dbus: suppress duplicate and misleading messages

When we try to send a signal on a connection we didn't hae the time to
process the Disconnected message yet, don't generate multiple warning
messages, but only a single debug message.

https://bugs.freedesktop.org/show_bug.cgi?id=75874
---
 src/core/dbus-manager.c |    7 +++++--
 src/core/dbus-unit.c    |   12 ++----------
 2 files changed, 7 insertions(+), 12 deletions(-)

diff --git src/core/dbus-manager.c src/core/dbus-manager.c
index 34ef1f5..30f28b6 100644
--- src/core/dbus-manager.c
+++ src/core/dbus-manager.c
@@ -1357,8 +1357,11 @@ static int reply_unit_file_changes_and_f
         unsigned i;
         int r;
 
-        if (n_changes > 0)
-                bus_manager_foreach_client(m, send_unit_files_changed, NULL);
+        if (n_changes > 0) {
+                r = bus_manager_foreach_client(m, send_unit_files_changed, NULL);
+                if (r < 0)
+                        log_debug("Failed to send UnitFilesChanged signal: %s", strerror(-r));                
+        }
 
         r = sd_bus_message_new_method_return(message, &reply);
         if (r < 0)
diff --git src/core/dbus-unit.c src/core/dbus-unit.c
index 515ac8b..07e7f20 100644
--- src/core/dbus-unit.c
+++ src/core/dbus-unit.c
@@ -638,21 +638,13 @@ static int send_changed_signal(sd_bus *bus, void *userdata) {
                         bus, p,
                         UNIT_VTABLE(u)->bus_interface,
                         NULL);
-        if (r < 0) {
-                log_warning("Failed to send out specific PropertiesChanged signal for %s: %s", u->id, strerror(-r));
+        if (r < 0)
                 return r;
-        }
 
-        r = sd_bus_emit_properties_changed_strv(
+        return sd_bus_emit_properties_changed_strv(
                         bus, p,
                         "org.freedesktop.systemd1.Unit",
                         NULL);
-        if (r < 0) {
-                log_warning("Failed to send out generic PropertiesChanged signal for %s: %s", u->id, strerror(-r));
-                return r;
-        }
-
-        return 0;
 }
 
 void bus_unit_send_change_signal(Unit *u) {
-- 
1.7.9.2

--- src/core/dbus-manager.c
+++ src/core/dbus-manager.c	2014-03-11 11:05:44.350235568 +0000