[Bluez-users] Multiple RFCOMM disconnection problem

[Agustin Fusaro <afusaro@apexar.com>]

Hi everybody, here's my problem:

When I try to connect more than 2 RFCOMM connections (on different
ports), everything works fine until I disconnect the last connection:

In other words, I can create multiple RFCOMM connections on different
ports, but when I try and disconnect, the computer freezes (on fedora 4
kernel 2.6.11) or just displays a segfault and I can't kill the process
(o Knoppix kernel 2.6.14).

I tried with different USB dongles, updated to the last release of Bluez
(rfcomm version 2.22) and nothing changes...

This is a very strange problem... and only ocurrs when I try to connect
to more then 2 BT devices.

Here's what I do:
I have two computers, each one with one dongle. On the listener side I
run on different terminals:

>rfcomm listen 1 1
>rfcomm listen 2 2
>rfcomm listen 3 3
and so on...

on the client side I run

>rfcomm connect 1 <bdaddress> 1
>rfcomm connect 2 <bdaddress> 2
>rfcomm connect 3 <bdaddress> 3

everything works fine until I disconnect (CTRL+C from the client side)
the 3rd connection. I tried with more than 3 connections and the system
freezes when I disconnect the last connection.

I'd really appreciate any feedback on this problem... I am at a lost
here... Has this ever happened to you?

Thanks very much for your time!

Agustin Fusaro



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