#0  ubuntu_osd_do_notification (notification=0xf0, hint=0x7f104ae88018 "agnifier", value=95, muted=0, icon_names=0x7f104b091c00) at gsd-media-keys-manager.c:268
        icon = <optimized out>
#1  0x00007f104ae78dae in handle_method_call (connection=<optimized out>, sender=0x7f104ae88018 "agnifier", object_path=<optimized out>, interface_name=0x0, method_name=0x7f104b091c00 "H\213\350J\020\177", parameters=0x10, invocation=0x5f6ba0c92e, user_data=0x7f1050004b10) at gsd-media-keys-manager.c:1467
        manager = 0x7f1050004b10
#2  0x0000000000000000 in ?? ()
No symbol table info available.