Yep, another report of bluetooth not working! 
fundamentally my question is: should i even work to deal with this or just let it go? there are so many reports of BT problems that i am fine with an answer of: just stop. 
the BT HW is an external (bose) speaker.
Mar 14 20:07:23 <HOSTNAME> bluetoothd[553]: profiles/audio/avdtp.c:avdtp_connect_cb() connect to <ADDR>: Permission denied (13)
Mar 14 20:07:23 <HOSTNAME> bluetoothd[553]: src/service.c:btd_service_connect() a2dp-source profile connect failed for <ADDR>: Device or resource busy
Mar 14 20:07:31 <HOSTNAME> bluetoothd[553]: profiles/audio/avdtp.c:avdtp_connect_cb() connect to <ADDR>: Permission denied (13)
system info: https://0x0.st/H-8I.txt
thx!! << q