bluetooth headphone

[petru garstea]

hi,

The headphones is being connected but later after ~30s it is disconnected with the the following error backend_bt: Could not open SDP

virtual_oss -T /dev/sndstat -S -a o,-4 -C 2 -c 2 -r 44100 -b 16 -s 1024 -R /dev/dsp0 -P /dev/bluetooth/soundcore -d dsp -t vdsp.ctl
hw.snd.basename_clone: 0 -> 0
backend_bt: Could not open SDP
backend_bt: PSM=0xffffffff
backend_bt: PSM not found
backend_bt: Could not open SDP
backend_bt: PSM=0xffffffff
backend_bt: PSM not found
backend_bt: PSM=0x19
backend_bt: Could not open SDP
backend_bt: PSM=0xffffffff
backend_bt: PSM not found
backend_bt: Could not open SDP
backend_bt: PSM=0xffffffff
backend_bt: PSM not found
backend_bt: Could not open SDP
backend_bt: PSM=0xffffffff
backend_bt: PSM not found
backend_bt: Could not open SDP
backend_bt: PSM=0xffffffff
backend_bt: PSM not found

sdpd daemon is running

/etc/rc.d/sdpd status
sdpd is running as pid 1744.

sdpcontrol -l Browse

Record Handle: 00000000
Service Class ID List:
Service Discovery Server (0x1000)
Protocol Descriptor List:
L2CAP (0x0100)
SDP (0x0001)
Bluetooth Profile Descriptor List:
Service Discovery Server (0x1000) ver. 1.0

Record Handle: 0x00000001
Service Class ID List:
Browse Group Descriptor (0x1001)

thanks

 

[petru garstea]

i spent some time on research, not sure why the headphone drops the bluetooth connection, I am missing something in the configuration or it is something else related to the way how the headphones talks to BT.