From owner-freebsd-current@FreeBSD.ORG Sun May 8 22:55:50 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0C51316A4E6 for ; Sun, 8 May 2005 22:55:50 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id DE10443D80 for ; Sun, 8 May 2005 22:55:49 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id D46EB72DD4; Sun, 8 May 2005 15:55:49 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id CF2F872DCB; Sun, 8 May 2005 15:55:49 -0700 (PDT) Date: Sun, 8 May 2005 15:55:49 -0700 (PDT) From: Doug White To: Harry Coin In-Reply-To: <4.3.2.7.2.20050505134432.01f6e7a8@mail.qconline.com> Message-ID: <20050508155433.V77229@carver.gumbysoft.com> References: <4.3.2.7.2.20050502132932.029cced0@mail.qconline.com> <4.3.2.7.2.20050502132932.029cced0@mail.qconline.com> <4.3.2.7.2.20050505134432.01f6e7a8@mail.qconline.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@freebsd.org Subject: Re: Mouse / psm0 via D-Link KVM won't load on 5.4, does on 5.3 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 May 2005 22:55:50 -0000 On Thu, 5 May 2005, Harry Coin wrote: > I'm not sure I have a 5.3 around anymore. But I can take the kernel option > I inserted to delay the reset out of the 5.4 kernel and give you a boot -v > of it failing to load psm0, and then give you a boot -v of the 5.4 kernel > with the reset time set to 401 (default is 201) where it has no > problem. It would take time but I could do it if that would be > helpful. Let me know. Saw another note that this worked. Good to know. > The Microsoft OS's are aware of this, their mouse drivers allow for ample > aux reset settling time as the various KVM's pass signals 'up the chain' > eventually reaching whatever mouse is attached. (I've written several > time-sensitive device drivers for MS OS's so I have some history with this > stuff.) The increase in reset wait time needed is still a second or less, > and it only happens once at boot time. Seems an acceptable change to suggest. I only worry that keyboard controllers are even more quirky than ATA drives with regards to timeouts and waits. Changing the default would have to be done with lots of testing. Making the value controllable by loader tunable would at least save you the recompile. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org