From owner-freebsd-current@FreeBSD.ORG  Fri Nov  7 16:00:40 2008
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id D12201065679
	for <freebsd-current@freebsd.org>; Fri,  7 Nov 2008 16:00:40 +0000 (UTC)
	(envelope-from hselasky@c2i.net)
Received: from swip.net (mailfe02.swip.net [212.247.154.33])
	by mx1.freebsd.org (Postfix) with ESMTP id 6C60B8FC2F
	for <freebsd-current@freebsd.org>; Fri,  7 Nov 2008 16:00:40 +0000 (UTC)
	(envelope-from hselasky@c2i.net)
X-Cloudmark-Score: 0.000000 []
X-Cloudmark-Analysis: v=1.0 c=1 a=d6BVkb5LuPPVEe4iNQMLyA==:17
	a=rSycO-CPyrjUzOQzVAQA:9 a=t_tp7MXkQqY7p5rmwOQeuJO3M4cA:4
	a=LY0hPdMaydYA:10
Received: from [62.113.135.6] (account mc467741@c2i.net [62.113.135.6]
	verified) by mailfe02.swip.net (CommuniGate Pro SMTP 5.2.6)
	with ESMTPA id 1146651982; Fri, 07 Nov 2008 17:00:38 +0100
From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-current@freebsd.org
Date: Fri, 7 Nov 2008 17:02:47 +0100
User-Agent: KMail/1.9.7
References: <200811071134.42761.shoesoft@gmx.net>
In-Reply-To: <200811071134.42761.shoesoft@gmx.net>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200811071702.48123.hselasky@c2i.net>
Cc: Stefan Ehmann <shoesoft@gmx.net>
Subject: Re: usb2: scanner no longer working
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 07 Nov 2008 16:00:40 -0000

On Friday 07 November 2008, Stefan Ehmann wrote:
> I recompiled sane-backends and linked it against libusb20. The include path
> needed to be fixed.
>
> scanimage -L doesn't detect any scanners.
>
> sane-find-scanner correctly detects it on first run:
> found USB scanner (vendor=0x04a9 [Canon], product=0x221c [CanoScan],
> chip=GL842) at libusb:/dev/usb:/dev/ugen3.2
>
> on subsequent runs no scanners are found
>
> dmesg only says
> ugen3.2: <Canon> at usbus3
>
> no ugen detached message even if I unplug the scanner
>
> I tried some of the debugging sysctls but I couldn't spot anything useful.
>
> ugen seems to work in general as I could access my camera with libgphoto2.
>
> Will provide more info as needed.

Hi Stefan,

Which version/date is the libusb20 you are using?

Does usbconfig list your device?

Try changing ownership of the USB devices? Maybe it is a permissions problem.

usbconfig -u xx -a xx set_owner xx:yy

--HPS