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I have a USB bluetooth dongle on a Linux 3.12.5 ARM system. I have been able to make it pairable via:

bluetooth-agent 0000 &

And then pairing via from my phone. Then, I create a serial port on the device via:

sudo mknod -m 666 /dev/rfcomm0 c 216 0
sudo sdptool add --channel=22 SP
sudo rfcomm listen /dev/rfcomm 22

Then, from my phone, I use BlueTerm to attempt to connect to the serial port. However, it loses connection immediately. On the Linux side, the following appears in the terminal:

Waiting for connection on channel 22
Authorizing request for /org/bluez/317/hci0/dev_xx_xx_xx_xx_00_46

It doesn't seem to be kicking the phone off the connection, so what's happening?

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migrated from serverfault.com Mar 27 '14 at 22:30

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