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Date:      Fri, 17 Nov 2000 12:14:01 -0800
From:      Lars Eggert <larse@ISI.EDU>
To:        Nate Williams <nate@yogotech.com>
Cc:        John Baldwin <jhb@FreeBSD.ORG>, Blaz Zupan <blaz@amis.net>, Steve Price <sprice@hiwaay.net>, Panagiotis Astithas <past@netmode.ntua.gr>, stable@FreeBSD.ORG
Subject:   Re: 4.2-BETA hangs on boot
Message-ID:  <3A159189.7C3F5F73@isi.edu>
References:  <XFMail.001117103855.jhb@FreeBSD.org> <3A158609.17FE2172@isi.edu> <14869.36743.510014.322061@nomad.yogotech.com>

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[-- Attachment #1 --]
Nate Williams wrote:
> > Running the pcic in polling mode seems to slow it down (I see receiver ring
> > buffer overruns with a 100Mbps network card in polling mode).
> 
> It shouldn't make *ANY* difference whatsoever if it's in polling mode or
> not, unless the PCIC is so overloaded such that 'polling' slows down the
> interrupt generation by the PCMCIA card.

Don't know about that, but it does make a difference.
 
> > and cards are detected correctly during boot and work fine. However,
> > ejecting/inserting them whan the system is running doesn;t work anymore -
> > pccardd is silent, cards are not attached/detached.
> 
> Then it's not working correctly.  However, FreeBSD is no longer
> 'polling for the insert/removal' status.  How fast is the box in
> question?

Slow. A 166Mhz Pentium laptop.

Sean suggested using a completely free IRQ for the management, and that
worked. Inserting/ejecting works fine, and I no longer see recevier ring
buffer overruns.

Lars
-- 
Lars Eggert <larse@isi.edu>                 Information Sciences Institute
http://www.isi.edu/larse/                University of Southern California
[-- Attachment #2 --]
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