From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Fri, 28 Dec 2012 15:54:23 +0200
From: Johan Hedberg <johan.hedberg@gmail.com>
To: Kamil =?utf-8?B?Sm/FhGNh?= <kjonca@o2.pl>
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: How to pair device from CLI?
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Hi Kamil,

> > HCI Event: IO Capability Request (0x31) plen 6
>     bdaddr D4:E8:B2:AA:15:FA
> < HCI Command: IO Capability Request Reply (0x01|0x002b) plen 9
>     bdaddr D4:E8:B2:AA:15:FA capability 0x04 oob 0x00 auth 0x03
>     Capability: Reserved (OOB data not present)
>     Authentication: Dedicated Bonding (MITM Protection)

Here's the problem. The kernel is respoding with an invalid IO
capability value. The same issue was discussed here just a week ago:

http://marc.info/?l=linux-bluetooth&m=135599627517032&w=2

The quick fix is to change "KeyboardDisplay" to "DisplayYesNo" in the
simple-agent script.

Johan