Hi, I have the following problem with a bluetooth audio device (Cambridge Audio One ) in v. 5.50 which i do not have in v. 5.43. Attempting to connect to XX:XX:XX:XX:XX:XX [CHG] Device XX:XX:XX:XX:XX:XX Connected: yes [CHG] Device XX:XX:XX:XX:XX:XX UUIDs: 00001108-0000-1000-8000-00805f9b34fb [CHG] Device XX:XX:XX:XX:XX:XX UUIDs: 0000110b-0000-1000-8000-00805f9b34fb [CHG] Device XX:XX:XX:XX:XX:XX UUIDs: 0000110c-0000-1000-8000-00805f9b34fb [CHG] Device XX:XX:XX:XX:XX:XX UUIDs: 0000110e-0000-1000-8000-00805f9b34fb [CHG] Device XX:XX:XX:XX:XX:XX UUIDs: 0000111e-0000-1000-8000-00805f9b34fb [CHG] Device XX:XX:XX:XX:XX:XX ServicesResolved: yes Failed to connect: org.bluez.Error.Failed [CHG] Device XX:XX:XX:XX:XX:XX ServicesResolved: no [CHG] Device XX:XX:XX:XX:XX:XX Connected: no Another bluetooth audio device (JBL GO) works ok in 5.43 and 5.50. The following two btmon traces are available upon request: 1. V. 5.50, NOK: "cambridge_hcitrace.txt", OS Raspbian Buster Lite, Linux raspberrypi 4.19.57+ #1244 Thu Jul 4 18:42:50 BST 2019 armv6l GNU/Linux (77.7 KB) 2. V. 5.43, OK: "stretch_cambridge_hcitrace.txt", OS Raspbian Stretch, Linux raspberrypi 4.14.98+ #1200 Tue Feb 12 20:11:02 GMT 2019 armv6l GNU/Linux (86.8 KB) Note especially: "cambridge_hcitrace.txt", line 476: "Reason: Remote User Terminated Connection (0x13)". There is no obvious reason, why this should occur. Timeout problem in the kernel? Regards Hans PS: Almost the same happens with an up-to-date Fedora 30 (Bluetooth 5.50, Linux 5.2.6-200.fc30.x86_64 #1 SMP Mon Aug 5 13:20:47 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux)
