Comment 2 for bug 908682

StacktraceTop:
 pa_operation_unref (o=0x0) at pulse/operation.c:67
 handle_event (mi=0x8734008, name=0x8735720 "change-value", value=0xb6202898, timestamp=0) at /build/buildd/indicator-sound-0.8.0.0/./src/slider-menu-item.c:117
 dbusmenu_menuitem_handle_event (mi=0x8734008, name=0x8735720 "change-value", variant=0xb6202898, timestamp=0) at /build/buildd/libdbusmenu-0.5.1/./libdbusmenu-glib/menuitem.c:1707
 event_local_handler (user_data=0x8735748) at /build/buildd/libdbusmenu-0.5.1/./libdbusmenu-glib/server.c:1530
 g_timeout_dispatch (source=0x8760e18, callback=0xd395e0 <event_local_handler>, user_data=0x8735748) at /build/buildd/glib2.0-2.31.4.tested/./glib/gmain.c:3857