Re: [Bluez-users] Re: Trouble pairing with new phone...

[Marcel Holtmann <marcel@holtmann.org>]

Hi Jay,

> >you set yourself into security mode 3 by using auth and encrypt. Are you
> >sure that you know what you are doing?
> 
> I'm not sure of anything, but it has worked for me in the past, and I get
> the exact same results if I comment out the auth and encrypt commands in
> the hcid.conf file. I've left them commented out for the rest of my
> debugging.

The default hcid.conf is quite good and you should only change the name
or class of device.

> >The PIN helper can't provide a PIN as it seems. Fix this.
> >
> 
> I don't think the answer is quite this simple for the following reasons:
> 
> 1) my hcid.conf file has
>  security auto;
> which if I understand it correctly is supposed to use the
> /etc/bluetooth/pin file as opposed to the pin_helper application.
> 
> 1a) If I change this to "security user" the bluez-pin helper launches (but
> my Palm T times out before I can enter the PIN on the laptop!) If I try to
> pair the T610 phone with the laptop when "security user" is set, the
> bluez-pin helper program DOES NOT LAUNCH, and hcidump -X says the
> following:
> 
> HCIDump - HCI packet analyzer ver 1.12
> device: hci0 snap_len: 1028 filter: 0xffffffff
> > HCI Event: Connect Request (0x04) plen 10
>   B2 E6 1D D9 0A 00 04 02 52 01
> < HCI Command: Accept Connection Request (0x01|0x0009) plen 7
>   B2 E6 1D D9 0A 00 00

You will only accept this connection if you become the master of the
piconet.

> > HCI Event: Command Status (0x0f) plen 4
>   00 01 09 04
> > HCI Event: Connect Complete (0x03) plen 11
>   1A 29 00 B2 E6 1D D9 0A 00 01 00

This mean unsupported remote feature which may lead to that the phone
does not support the role switch. Check with "hcitool info ..." and
report.

> >Even an application with L2CAP_LM_MASTER set can force the role switch
> >at connection creation.
> 
> The only applications I'm running are hcid, sdpd and rfcomm which are
> started in my bluetooth services (rc.d) file. I even commented out the
> "rfcomm bind all" command from my /etc/rc.d/init.d/bluetooth file, but it
> didn't change anything.

And how is the sdpd started? Do you use the -m switch?

Regards

Marcel




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