I have a big bug on my pc for long time with an error in console:
"DBus support could not be started. Disabling for this session."

This error seems well known on internet but do not find solution because it is related to dbus but we have not enought information.

So I modifiy the code in src/core/Banshee.services/Banshee.ServiceStack/DBusConnection:
in the catch of public static bool Connect (string serviceName)

- } catch {
-     Log.Warning ("DBus support could not be started. Disabling for this session.");
+ } catch (Exception e) {
+     Log.Exception ("DBus support could not be started. Disabling for this session.", e);

It permit to get " System.DllNotFoundException: libsocket (in `NDesk.DBus')"

So it is just because I need to install this lib.