This got me further too, but issuing btconfig ubt0 inquery will cause kernel 
panic.

cheerio Berndt

On Saturday 18 November 2006 04:55, Matthias Drochner wrote:
> The following reply was made to PR kern/34070; it has been noted by GNATS.
>
> From: Matthias Drochner <M.Drochner@fz-juelich.de>
> To: gnats-bugs@NetBSD.org
> Cc: kern-bug-people@NetBSD.org, gnats-admin@NetBSD.org,
> 	netbsd-bugs@NetBSD.org, wulf@NetBSD.org, plunky@rya-online.net
> Subject: Re: kern/34070: btconfig: SIOCSBTFLAGS: Resource temporarily
>  unavailable
> Date: Fri, 17 Nov 2006 19:20:29 +0100
>
>  This is a multipart MIME message.
>
>  --==_Exmh_13776008535290
>  Content-Type: text/plain; charset=us-ascii
>
>
>  With the appended patch the ubt initializes for me, even if usb2/ehci
>  is used by the host controller.
>  The "16" happens to be the "wMaxPacketSize" in the endpoint descriptor;
>  I'm not sure yet whether it should be the driver's duty to check that
>  or the framework should care.
>  I'm also not sure whether the builtin Dell hub is somehow limited or
>  the translation problems are to be expected under the timing/size
> conditions imposed by the ubt driver.
>
>  best regards
>  Matthias
>
>
>
>  --==_Exmh_13776008535290
>  Content-Type: text/plain ; name="btilen.txt"; charset=us-ascii
>  Content-Description: btilen.txt
>  Content-Disposition: attachment; filename="btilen.txt"
>
>  Index: ubt.c
>  ===================================================================
>  RCS file: /cvsroot/src/sys/dev/usb/ubt.c,v
>  retrieving revision 1.19
>  diff -u -p -r1.19 ubt.c
>  --- ubt.c	12 Oct 2006 01:31:59 -0000	1.19
>  +++ ubt.c	17 Nov 2006 18:08:44 -0000
>  @@ -832,7 +832,7 @@ ubt_enable(struct hci_unit *unit)
>   				  &sc->sc_evt_pipe,
>   				  sc,
>   				  sc->sc_evt_buf,
>  -				  UBT_BUFSIZ_EVENT,
>  +				  16 /*UBT_BUFSIZ_EVENT*/,
>   				  ubt_recv_event,
>   				  UBT_EVENT_INTERVAL);
>   	if (err != USBD_NORMAL_COMPLETION) {
>
>  --==_Exmh_13776008535290--


Thanks for the patch. This works for me too!

barossa: {3} btconfig -l
ubt0
barossa: {4} btconfig ubt0
ubt0: bdaddr 00:16:41:57:68:6a flags 0x3<UP,RUNNING>
        num_cmd = 1
        num_acl = 8, acl_mtu = 384
        num_sco = 8, sco_mtu = 64


cheerio Berndt