Re: [Bluez-users] L2CAP disconnect problem

[Sumeet VERMA <sumeet.verma@st.com>]

Hi Marcel

I investigated the RFCOMM disconnect problem in more detail and found out
that when the device is a listener, it expects the initiator of RFCOMM
connection to disconnect dlci 0. But all devices don't send RFCOMM DISC for
dlci 0. For ex PTS doesn't disconnect dlci 0 in case of HS profile testing 
Test Case: 
-> IUT (BlueZ) is HS Gateway, PTS is HS
-> PTS initiates connection and then disconnect
-> RFCOMM data channel is disconnected by BlueZ but it waits for PTS to
disconnect RFCOMM control channel which doesn't happen.
-> As a result test case fails

The HS Spec says HS Gateway is responsible for disconnecting the connection.
In that case I think there is a misbehaviour here.

If there is something I am missing in understanding the RFCOMM
implementation and this problem, please correct me.
Otherwise do you have a patch to solve this problem, wherein the listener
disconnects dlci 0?

Thanks and Regards,


Sumeet 


-----Original Message-----
From: bluez-users-bounces@lists.sourceforge.net
[mailto:bluez-users-bounces@lists.sourceforge.net] On Behalf Of Marcel
Holtmann
Sent: Wednesday, November 22, 2006 11:53 AM
To: BlueZ users
Subject: Re: [Bluez-users] L2CAP disconnect problem

Hi Sumeet,

> So you mean if I use 2.6 kernel this problem will not occur. I tried 
> 2.6.9-34.EL kernel but the same problem occurs. No RFCOMM disconnect 
> :(

I was talking about a recent 2.6 kernel. Not some ancient RHEL4 kernel.

Regards

Marcel



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