Bug 468746

How do you create the rfcomm connection in the first place?

I'm not sure what level of detail you're after.

Aside from the actual device address, my rfcomm.conf file looks like

rfcomm0 {
#	# Automatically bind the device at startup
#	bind no;
	bind yes;
#	# Bluetooth address of the device
#	device 11:22:33:44:55:66;
	device <my device address removed>
#
#	# RFCOMM channel for the connection
	channel 8; 
#	# Description of the connection
	comment "LG CU400";
}

does that help?

Created attachment 328046 [details]
messages log when problem occurs

I have also this problem, I've attached the dmesg relative to the problem.
The log is relative to a boot, ppp 3g connection over an rfcomm bluetooth serial port, suspend, resume and then a reload of the bluetooth init script.
After reloading the bluetooth init script the rfcomm serial port starts to work again.

Here is my quick and dirty workaround to the problem:

Place in /etc/pm/sleep.d/bt-suspendfix.sh and make it executable (chmod +x).

-----------------
#!/bin/bash
case $1 in
    hibernate)
        true
        ;;
    suspend)
	echo "Unloading bt for suspend"
        /etc/init.d/bluetooth stop
	/usr/bin/rfcomm release /dev/rfcomm0
        ;;
    thaw)
	true
        ;;
    resume)
	echo "Reloading bt after suspend"
        /etc/init.d/bluetooth start
	/usr/bin/rfcomm bind /dev/rfcomm0
        ;;
    *)  echo "somebody is calling me totally wrong."
        ;;
esac

-----------------

There is obviously something wrong in the bluetooth stack kernel code for suspend handling.

(In reply to comment #3)
<snip>
> There is obviously something wrong in the bluetooth stack kernel code for
> suspend handling.  

There's nothing wrong in the Bluetooth kernel code. Your TCP connections will also die when they timeout due to your computer being suspended. Same thing here.

I don't believe the serial service in bluetoothd has that sort of problems.

Though those errors are kernel problems, and are most likely already fixed in newer kernels.
Dec 31 15:38:24 puffopc kernel: pm_op(): usb_dev_resume+0x0/0xa returns -19
Dec 31 15:38:24 puffopc kernel: PM: Device 3-1 failed to resume: error -19

Reassigning

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