From owner-freebsd-x11@FreeBSD.ORG  Fri Feb  6 23:20:03 2009
Return-Path: <owner-freebsd-x11@FreeBSD.ORG>
Delivered-To: freebsd-x11@hub.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id D2AA01065674
	for <freebsd-x11@hub.freebsd.org>; Fri,  6 Feb 2009 23:20:03 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org
	[IPv6:2001:4f8:fff6::28])
	by mx1.freebsd.org (Postfix) with ESMTP id BFAB58FC16
	for <freebsd-x11@hub.freebsd.org>; Fri,  6 Feb 2009 23:20:03 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n16NK30s087552
	for <freebsd-x11@freefall.freebsd.org>; Fri, 6 Feb 2009 23:20:03 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n16NK30P087551;
	Fri, 6 Feb 2009 23:20:03 GMT (envelope-from gnats)
Date: Fri, 6 Feb 2009 23:20:03 GMT
Message-Id: <200902062320.n16NK30P087551@freefall.freebsd.org>
To: freebsd-x11@FreeBSD.org
From: Jung-uk Kim <jkim@FreeBSD.org>
Cc: 
Subject: Re: ports/131124: x11/xorg - New xorg 7.4 hangs until mouse
	is	moved when AllowEmptyInput turned off
X-BeenThere: freebsd-x11@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: Jung-uk Kim <jkim@FreeBSD.org>
List-Id: X11 on FreeBSD -- maintaining and support <freebsd-x11.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-x11>,
	<mailto:freebsd-x11-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-x11>
List-Post: <mailto:freebsd-x11@freebsd.org>
List-Help: <mailto:freebsd-x11-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-x11>,
	<mailto:freebsd-x11-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 06 Feb 2009 23:20:04 -0000

The following reply was made to PR ports/131124; it has been noted by GNATS.

From: Jung-uk Kim <jkim@FreeBSD.org>
To: Joe Marcus Clarke <marcus@freebsd.org>
Cc: freebsd-x11@freebsd.org,
 Serge Shilov <serguei.shilov@gmail.com>,
 Peter Zehm <Peter.Zehm@crush-net.de>,
 rnoland@freebsd.org,
 freebsd-gnome@freebsd.org,
 bug-followup@freebsd.org
Subject: Re: ports/131124: x11/xorg - New xorg 7.4 hangs until mouse =?iso-8859-1?q?is=09moved_when_AllowEmptyInput_turned?= off
Date: Fri, 6 Feb 2009 18:12:27 -0500

 On Friday 06 February 2009 05:37 pm, Jung-uk Kim wrote:
 > On Friday 06 February 2009 04:27 pm, Joe Marcus Clarke wrote:
 > > What about modifying the sysmouse driver to more gracefully
 > > handle multiple open attempts (e.g. fail on subsequent attempts).
 > >  What effect would that have on X?
 >
 > I thought about that.  In fact, I implemented something along the
 > line but threw it away because 1) I was not sure of its expected
 > behavior, 2) it is intertwined with syscons and I was afraid of
 > breaking it, 3) it just hides Xserver problem (i.e., mixed uses of
 > static/auto configurations) from an OS driver, 4) it does not
 > provide fix for release users, 5) possible POLA violations, etc.
 
 If my memory serves, there is another important reason: 6) Xserver and 
 mouse driver open/close same device multiple times (at least twice), 
 one for SetupAuto and one for enabling the device, I think.  
 Depending on timing, the previous device may not be what HAL is 
 expecting.
 
 Jung-uk Kim