Date: Mon, 6 Sep 1999 10:17:20 +0200 (MET DST) From: Nick Hibma <nick.hibma@jrc.it> To: Kevin Day <toasty@dragondata.com> 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???) Message-ID: <Pine.GS4.4.10.9909061014060.5512-100000@elect8> In-Reply-To: <199909060813.DAA51212@celery.dragondata.com>
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> 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
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