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Subject: Re: [Bluez-users] HID mouse doesnt reconnect after sleep if
	bemused-bemusedlinuxserver connection is open
From: Marcel Holtmann <marcel@holtmann.org>
To: Jouni.Lohikoski@iki.fi
Cc: BlueZ Mailing List <bluez-users@lists.sourceforge.net>
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Date: Sun, 17 Oct 2004 15:02:17 +0200

Hi Jouni,

> I have Epox BT-dongle, Epox CP-BT-MS02B HID mouse, Nokia S60-phone (v6.1),
> Bemused v1.71, bemusedlinuxserver v1.7, Linux kernel 2.6.8, bluez-libs v2.8,
> bluez-utils v2.8
>  
> hcid is in security mode 3, auth+encryption turned on.

as I always said, do this only if you know what you are doing ;)

> When previously paired HID-mouse is in sleep mode and there is a open but
> yet idle BT connection between Bemused and bemusedlinuxserver, the mouse
> cannot reconnect to the hidd daemon. When mouse button 1 is pressed, mouse
> turns itself on and I assume it tries to connect, but hcid never gets or
> understands to authenticate as the usual lines in the /var/log/messages do
> not appear.
>  
> The usual lines which should appear when reconnection is made:
> "
> Oct 17 14:52:22 localhost hcid[2237]: link_key_request (sba=00:04:61:80:5D:88, dba=00:04:61:82:00:88)
> Oct 17 14:52:23 localhost hidd[1135]: New HID device 00:04:61:82:00:88 (CSR HIDEngine Three Button Mouse)
> Oct 17 14:52:24 localhost udev[5715]: creating device node '/udev/input/mouse0'
> "
>  
> After the Bemused-application is closed in the S60-phone, the HID mouse can
> reconnect again as normal.
>  
> Is this a known limitation of the current bluez-implementation or in other
> resource? And no, I haven't tested yet if the problem is there also when in
> security mode 0 without authentication and encryption.

This is maybe a limitation of the Nokia phone, too. The Debian Sid and
SuSE 9.2 packages include a workaround for the hidd and phones with
limited capability for role switching.

What does "hciconfig -a" and "hcitool info <phone>" say?

Regards

Marcel




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