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Date: Thu, 05 Jan 2006 16:00:37 -0800
From: Maksim Yevmenkin <maksim.yevmenkin@savvis.net>
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To: Lukasz Polaczyk <lpolaczyk@o2.pl>
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Cc: freebsd-bluetooth@FreeBSD.org
Subject: Re: rfcomm problem
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Hello,

first, please *do not* send multiple messages. please have patience and 
give people a chance to reply.

> Hi. I've a problem with pairing two computers.
> I want to connect them using rfcomm_pppd. So I:
> 
> - change hcsecd.conf at both of them
> - turn on authentication at computer that will be server.
> - start hcsecd on both of them
> - then I add proper sections to ppp.conf files
> - start sdpd on server
> - start rfcomm_pppd at server
> - start rfcomm_pppd at client
> 
> and it should work
> 
> but when I start rfcomm_pppd at client on server's screen I got messege
> like:
> "ng_btsocket_rfcomm_receive_ua:
>      GOT UA for non-existing dlci=2
>  ng_bt_socket_rfcomm_dm:
>      GOT DM for non-existing dlci=2"
> 
> What does it mean??

this is just a debug message that says there is a message for 
non-existing dlci (rfcomm channel). without a trace it is hard to know 
what it going.

why do you thing you have a pairing problem?

> How should I solve this problem??

you do not provide enough information. first, take a look at 
/var/log/ppp.log on both client and server to see if ppp has actually 
started. if it did - then look at the ppp.log to figure out why it 
stopped. if ppp did not start then you need to look at /var/log/messages 
to see if there is anything from rfcomm_pppd(8). finally, you need to 
get a *binary* hcidump on both server and client and sent it to me.

i doubt that you have pairing problem here. most likely you have ppp 
misconfiguration.

thanks,
max