From owner-freebsd-hackers  Fri Jan 15 08:00:29 1999
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id IAA03377
          for freebsd-hackers-outgoing; Fri, 15 Jan 1999 08:00:29 -0800 (PST)
          (envelope-from owner-freebsd-hackers@FreeBSD.ORG)
Received: from outmail.utsunomiya-u.ac.jp (outmail.utsunomiya-u.ac.jp [160.12.196.3])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id IAA03355
          for <freebsd-hackers@freebsd.org>; Fri, 15 Jan 1999 08:00:22 -0800 (PST)
          (envelope-from yokota@zodiac.mech.utsunomiya-u.ac.jp)
Received: from zodiac.mech.utsunomiya-u.ac.jp (IDENT:alxSKZIkZWbuee4s/+0xvFVWgOOBz2pn@zodiac.mech.utsunomiya-u.ac.jp [160.12.42.1])
	by outmail.utsunomiya-u.ac.jp (8.9.1/8.9.1) with ESMTP id AAA20509;
	Sat, 16 Jan 1999 00:58:57 +0900 (JST)
Received: from zodiac.mech.utsunomiya-u.ac.jp (zodiac.mech.utsunomiya-u.ac.jp [160.12.42.1]) by zodiac.mech.utsunomiya-u.ac.jp (8.7.6+2.6Wbeta7/3.4W/zodiac-May96) with ESMTP
	id BAA26821; Sat, 16 Jan 1999 01:01:27 +0900 (JST)
Message-Id: <199901151601.BAA26821@zodiac.mech.utsunomiya-u.ac.jp>
To: Q <q@fan.net.au>
cc: freebsd-hackers@FreeBSD.ORG, yokota@zodiac.mech.utsunomiya-u.ac.jp
Subject: Re: Console driver mouse support chewing cycles/interrupts 
In-reply-to: Your message of "Fri, 15 Jan 1999 23:58:26 +1000."
             <Pine.BSF.4.05.9901152358001.18367-100000@kermit.fan.net.au> 
References: <Pine.BSF.4.05.9901152358001.18367-100000@kermit.fan.net.au> 
Date: Sat, 16 Jan 1999 01:01:26 +0900
From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG


>I have written a driver under FreeBSD 3.0 for an Infra-Red receiver I
>have, the receiver is serial port based, and the driver itself is
>interrupt driven.
[...]
>The problem:
>
>When I jump out of X to the console I have all sorts of problems (when the
>mouse cursor is visible). I am using the default spiffy little mouse
>pointer, not a square block.  When controlling the mouse on the console
>(remotely or with a real mouse), moving the mouse with no output going to
>the console will cause some delayed interrupts with almost every movement
>of the mouse, more if additional output is displayed on the console in the
>process.
>
>Is this the price you pay for having mouse support on the console or 

I am afraid yes ;-<  The current version of syscons draws the mouse pointer
by manipulating font data.  This takes time and may cause interrupt delay.

Kazu

>is
>there something missing from the mouse support portion of the console
>driver that should handle things better?

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message