From owner-freebsd-hackers Mon Sep 6 1:17:55 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from mrelay.jrc.it (mrelay.jrc.it [139.191.1.65]) by hub.freebsd.org (Postfix) with ESMTP id 9E074159E4 for ; Mon, 6 Sep 1999 01:17:51 -0700 (PDT) (envelope-from nick.hibma@jrc.it) Received: from elect8 (elect8.jrc.it [139.191.71.152]) by mrelay.jrc.it (LMC5692) with ESMTP id KAA14912; Mon, 6 Sep 1999 10:17:21 +0200 (MET DST) Date: Mon, 6 Sep 1999 10:17:20 +0200 (MET DST) From: Nick Hibma X-Sender: n_hibma@elect8 Reply-To: Nick Hibma To: Kevin Day Cc: imp@village.org, A.Reilly@lake.com.au, hackers@FreeBSD.ORG Subject: Re: Limit of bus hierarchies (was Re: PCI modems do not work???) In-Reply-To: <199909060813.DAA51212@celery.dragondata.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > I'll give that a try too. I do like having a USB keyboard, except for the > fact that if the system is *very* busy, I tend to get some weird > repetitions. I dunno if this'll happen under FreeBSD or not, but it's > annoying. > > (example, I start up ScanDisk, and a CPU eating program at the same time, > and try to type... The quick ick ick brownnnnn fox jumpumped over erthe > lazzzzzzzzzy ddddog) > > I'll blame this on a Windowsism until I see otherwise. :) This very much sounds like Windows not being fast enough in retiring the TD's (you have a UHCI controller and a lot of work has to be done by the CPU, when compared to OHCI). This is not a problem that USB can produce in any way. I guess it must be something like Windows not retiring the TD fast enough, so at the next frame the same TD is handled again. Nick -- ISIS/STA, T.P.270, Joint Research Centre, 21020 Ispra, Italy To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message