Hi Not sure if I'll get a chance to look at this myself in the next few days (pretty hectic) so posting it here: https://qa.mandriva.com/show_bug.cgi?id=53538 Steps to Reproduce: 1. pacmd 2. >>> load-module module-bluetooth-proximity sink=0 hci=00:16:E4:33:50:16 here is the backtrace : (gdb) bt #0 0x00007f641fc76545 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #1 0x00007f641fc77b60 in abort () at abort.c:88 #2 0x00007f6420a7b7b5 in _dbus_abort () at dbus-sysdeps.c:88 #3 0x00007f6420a7767a in _dbus_warn_check_failed ( format=0x7f6420a84760 "arguments to %s() were incorrect, assertion \"%s\" failed in file %s line %d.\nThis is normally a bug in some application using the D-Bus library.\n") at dbus-internals.c:283 #4 0x00007f6420a615ab in dbus_connection_send_with_reply_and_block (connection=<value optimized out>, message=0x124d470, timeout_milliseconds=-1, error=0x7fff466c3790) at dbus-connection.c:3340 #5 0x00007f6420a5b0f6 in send_no_return_values (connection=0x123afb0, msg=0x124d470, error=<value optimized out>) at dbus-bus.c:1412 #6 0x00007f6420a5b1d2 in dbus_bus_remove_match (connection=0x123afb0, rule=0x120a6a0 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='BondingRemoved',path='/org/bluez/00:17:E5:83:C0:15'", error=0x7fff466c3790) at dbus-bus.c:1582 #7 0x00007f641645fcbe in add_matches (u=0x123ff00, add=false) at modules/bluetooth/module-bluetooth-proximity.c:359 #8 0x00007f641645fe84 in module_bluetooth_proximity_LTX_pa__done (m=<value optimized out>) at modules/bluetooth/module-bluetooth-proximity.c:481 #9 0x00007f6416460dbd in module_bluetooth_proximity_LTX_pa__init (m=0x1205ca0) at modules/bluetooth/module-bluetooth-proximity.c:451 #10 0x00007f6423951dfa in pa_module_load (c=0x11eddf0, name=0x120b020 "module-bluetooth-proximity", argument=0x1296ac0 "sink=0 hci=00:17:E5:83:C0:15") at pulsecore/module.c:112 #11 0x00007f6423940ab2 in pa_cli_command_load (c=0x11eddf0, t=0x1221fc0, buf=0x1224770, fail=<value optimized out>) at pulsecore/cli-command.c:426 #12 0x00007f642393d93c in pa_cli_command_execute_line_stateful (c=0x11eddf0, s=<value optimized out>, buf=0x1224770, fail=0x1294cc8, ifstate=<value optimized out>) at pulsecore/clicommand.c:1744 #13 0x00007f64166652cd in line_callback (line=0x1229ba0, s=0x129f450 "load-module module-bluetooth-proximity sink=0 hci=00:17:E5:83:C0:15", userdata=0x1294ca0) at pulsecore/cli.c:162 #14 0x00007f64234b5295 in do_work (l=0x1229ba0) at pulsecore/ioline.c:270 #15 0x00007f642370453d in pa_mainloop_dispatch (m=0x11edc00) at pulse/mainloop.c:712 #16 0x00007f64237048b8 in pa_mainloop_iterate (m=0x11edc00, block=<value optimized out>, retval=0x7fff466c3c9c) at pulse/mainloop.c:953 #17 0x00007f6423704960 in pa_mainloop_run (m=0x11edc00, retval=0x7fff466c3c9c) at pulse/mainloop.c:968 #18 0x0000000000409d6a in main (argc=<value optimized out>, argv=<value optimized out>) at daemon/main.c:924 I can see this in the log : Sep 8 23:50:16 takara pulseaudio[8565]: module-bluetooth-proximity.c: org.bluez.Adapter.ListBondings failed: Method "ListBondings" with signature "" on interface "org.bluez.Adapter" doesn't exist Sep 8 23:50:16 takara pulseaudio[8565]: module.c: Failed to load module "module-bluetooth-proximity" (argument: ""): initialization failed. -- Colin Guthrie gmane(at)colin.guthr.ie http://colin.guthr.ie/ Day Job: Tribalogic Limited [http://www.tribalogic.net/] Open Source: Mandriva Linux Contributor [http://www.mandriva.com/] PulseAudio Hacker [http://www.pulseaudio.org/] Trac Hacker [http://trac.edgewall.org/]