Tried with the 3.16-rc4 kernel. Syslog output was different, but the headset still fails to switch to HSP mode, and similar messages are generated:
Jul 9 09:38:02 RedTail bluetoothd[816]: Badly formated or unrecognized command: AT+CSCS=? Jul 9 09:38:02 RedTail bluetoothd[816]: Badly formated or unrecognized command: AT+CPBS=? Jul 9 09:38:03 RedTail bluetoothd[816]: Badly formated or unrecognized command: AT+CIMI Jul 9 09:38:03 RedTail bluetoothd[816]: /org/bluez/816/hci0/dev_90_03_B7_5F_6F_DF/fd2: fd(28) ready Jul 9 09:38:04 RedTail kernel: [ 437.195341] input: 90:03:B7:5F:6F:DF as /devices/virtual/input/input25 Jul 9 09:39:33 RedTail bluetoothd[816]: /org/bluez/816/hci0/dev_90_03_B7_5F_6F_DF/fd1: fd(25) ready Jul 9 09:39:33 RedTail kernel: [ 526.271851] Bluetooth: hci0 SCO packet for unknown connection handle 31 Jul 9 09:39:38 RedTail bluetoothd[816]: Audio connection got disconnected
Tried with the 3.16-rc4 kernel. Syslog output was different, but the headset still fails to switch to HSP mode, and similar messages are generated:
Jul 9 09:38:02 RedTail bluetoothd[816]: Badly formated or unrecognized command: AT+CSCS=? 816/hci0/ dev_90_ 03_B7_5F_ 6F_DF/fd2: fd(28) ready virtual/ input/input25 816/hci0/ dev_90_ 03_B7_5F_ 6F_DF/fd1: fd(25) ready
Jul 9 09:38:02 RedTail bluetoothd[816]: Badly formated or unrecognized command: AT+CPBS=?
Jul 9 09:38:03 RedTail bluetoothd[816]: Badly formated or unrecognized command: AT+CIMI
Jul 9 09:38:03 RedTail bluetoothd[816]: /org/bluez/
Jul 9 09:38:04 RedTail kernel: [ 437.195341] input: 90:03:B7:5F:6F:DF as /devices/
Jul 9 09:39:33 RedTail bluetoothd[816]: /org/bluez/
Jul 9 09:39:33 RedTail kernel: [ 526.271851] Bluetooth: hci0 SCO packet for unknown connection handle 31
Jul 9 09:39:38 RedTail bluetoothd[816]: Audio connection got disconnected