In the last days, I'm getting these warnings in console relatively often. I get it when I start Steam, at the moment when Friends list pops out. This doesn't happen always, just from time to time. There are no specific steps to reproduce as far as I can tell.
migrating temporary roaming config store
ExecCommandLine: "/home/majkl/.local/share/Steam/ubuntu12_32/steam"
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
(steam:20914): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're it's parent.
Generating new string page texture 75: 64x256, total string texture memory is 376,83 KB
Generating new string page texture 76: 128x256, total string texture memory is 507,90 KB
Generating new string page texture 77: 24x256, total string texture memory is 532,48 KB
Installing breakpad exception handler for appid(steam)/version(1360724938_client)
System startup time: 10,65 seconds
Running Steam on debian 7.0 64-bit
STEAM_RUNTIME has been set by the user to: /home/majkl/.local/share/Steam/ubuntu12_32/steam-runtime
ExecCommandLine: "/home/majkl/.steam/root/ubuntu12_32/steam steam://open/driverhelperready"
ExecSteamURL: "steam://open/driverhelperready"
In the last days, I'm getting these warnings in console relatively often. I get it when I start Steam, at the moment when Friends list pops out. This doesn't happen always, just from time to time. There are no specific steps to reproduce as far as I can tell.
System info + Gnome Shell 3.6