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Bluetooth Tethering On N900 No Longer Works

I had Bluetooth tethering working well from Android (Nexus 7, and I'm sure GTab 10.1) using BluetoothDUN on N900 and BlueVPN on Android, but it no longer seems to work. I use it sporadically, so I'm not sure what updates have been applied on either side, unfortunately, and thus which side has broken the connection but about a month or two ago it was working ok.

I tried it on both my devices, before and after the latest BlueVPN update and it failed (but there could have been a previous one) so it does somewhat point to the N900. When I try to connect it seems to negotiate the Bluetooth connection ok, but then sits there on "modem negotiating", turning on logging on BlueVPN I get the following:-

Code:

2013-05-09 21:31:36.067 GMT+01:00 INFO com.bluexvpn main - Clicked Connect to N900

2013-05-09 21:31:38.435 GMT+01:00 INFO com.bluexvpn Thread-4831 - BT Client channel ready!

2013-05-09 21:31:38.437 GMT+01:00 INFO com.bluexvpn Thread-4831 - Sending AT command=[AT\r\n]

2013-05-09 21:31:38.441 GMT+01:00 INFO com.bluexvpn Thread-4831 - BT Sending: 41 54 0D 0A 

2013-05-09 21:31:38.445 GMT+01:00 INFO com.bluexvpn Thread-4834 - Packet sent to BT channel, length=4

2013-05-09 21:31:51.120 GMT+01:00 INFO com.bluexvpn main - Sending Packet: 7E FF 03 C0 21 05 00 00 04 E1 9D 7E

2013-05-09 21:31:51.122 GMT+01:00 INFO com.bluexvpn main - Adding to BT send queue, length=17

2013-05-09 21:31:51.123 GMT+01:00 INFO com.bluexvpn main - BT Sending: 7E FF 7D 23 C0 21 7D 25 7D 20 7D 20 7D 24 E1 9D 7E 

2013-05-09 21:31:51.124 GMT+01:00 INFO com.bluexvpn Thread-4834 - Packet sent to BT channel, length=17

2013-05-09 21:31:51.126 GMT+01:00 INFO com.bluexvpn main - PPP: LCP Terminate Request sent

2013-05-09 21:31:51.167 GMT+01:00 ERROR com.bluexvpn Thread-4831 - User alert: Connection negotiation failed, assigned IP is null

2013-05-09 21:31:51.203 GMT+01:00 INFO com.bluexvpn Thread-4833 - Before VPN disconnect:BTRead_Thread stop=true

2013-05-09 21:31:51.210 GMT+01:00 INFO com.bluexvpn Thread-4833 - BT connection closed: RT=true;WT=true

2013-05-09 21:31:51.215 GMT+01:00 INFO com.bluexvpn Thread-4833 - BT connection closed: RT=false;WT=false

2013-05-09 21:31:51.222 GMT+01:00 INFO com.bluexvpn Thread-4833 - After VPN disconnect:BTRead_Thread

2013-05-09 21:33:26.952 GMT+01:00 INFO com.bluexvpn main - BlueVPN v.2.2 Closed

So it seems like it's not getting an IP address back. I can't find any logs on the N900 for BluetoothDUN.
Any ideas where the issue might lie, or where I can check on the phone for logs?
Thx, MH

Re: Bluetooth Tethering On N900 No Longer Works

This isn't necessarily going to help you, but I never had to install any software on the n900 to use BlueVPN on my Nexus 7.

Since BlueVPN updated to version 2.x it has remained quite broken.

Re: Bluetooth Tethering On N900 No Longer Works

This does not concern directly your problem, but I use Bluetooth PAN tethering to connect my Ipad to N900 with internet connection. It does not require any extra software on the Ipad, and only the tether.sh on the N900. The internet connection is automatic, I only have to initiate a normal bluetooth connection from the Ipad.

http://talk.maemo.org/showpost.php?p...&postcount=190

I think you have to make some extra tweaks to bluetooth conf as mentioned in this post:

http://talk.maemo.org/showpost.php?p...&postcount=256

This might be a temporary help for you or you might find something in the scripts that help you.

Re: Bluetooth Tethering On N900 No Longer Works

Quote:

Originally Posted by Kossuth (Post 1349662)

I prefer not having to run any script on the n900 at all.
http://talk.maemo.org/showthread.php...84#post1327284

</shameless-self-plug> ;)