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Date:      Sat, 17 Mar 2001 08:01:19 -0800
From:      richard childers <fscked@pacbell.net>
To:        Xeon2578@netscape.net
Cc:        larse@isi.edu, freebsd-questions@FreeBSD.ORG
Subject:   Re: BSD with two NIC's
Message-ID:  <3AB38A4F.93022574@pacbell.net>
References:  <21662211.7E01A45E.00877270@netscape.net> <3AAEF70C.DFFCFCCC@babbleon.org> <0A3465D9.5B1A3086.00877270@netscape.net> <3AAF6F9D.5A3810D8@babbleon.org> <46CED77F.23FFB834.00877270@netscape.net> <3AB033EC.191F47A0@babbleon.org> <35F74CD0.46D5FE7A.00877270@netscape.net> <3AB13826.4D85FC40@isi.edu> <2F34DC91.191F99A7.00877270@netscape.net>

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Frequently, the PCMCIA card can be isolated as the problem by first, watching to see at what
point the system freezes up, and then testing it by removing the suspect component.

Once the problematic component has been isolated, further testing can isolate exactly what IRQ
is causing the problem.

Some problems with PCMCIA cards can best be dealt with by systematic testing.

For instance, when installing FreeBSD on a Toshiba Satellite, I noticed that the install would
complete, even with the card inserted from the beginning; but at reboot, it would lock up when
the PCMCIA card was inserted. (3Com, don't remember which; 574BT, maybe).

Removing it and rebooting resulted in a successful boot. Inserting it after boot resulted in a
successful lockup; successful in that it affirmed that the card was the culprit.

Repeatedly commenting out available IRQs in the pool listed at the top of pccards.conf, and
repeating my experiments, quickly resulted in isolating a configuration that worked for my
laptop.

So if it doesn't work at first, don't give up; just get systematic.


-- richard


Xeon2578@netscape.net wrote:

> I have irqs 14 15 1 10 7 0 8 listed when Issue the vmstat -i
>
> the dmesg|grep irq indicates irqs in use except 13 8 6 3 2...
>
> Lars Eggert <larse@ISI.EDU> wrote:
> >
> > Xeon2578@netscape.net wrote:
> >
> > > I tried a Linksys PCMPC200 V2, but it seems its not supported...
> >
> > That's a Cardbus card.
> >
> > > although I nooticed the PCMPC100 is!!!
> >
> > This isn't.
> > --
> > Lars Eggert <larse@isi.edu>                 Information Sciences Institute
> > http://www.isi.edu/larse/                University of Southern California
> >
> __________________________________________________________________
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--
Richard A. Childers
Senor UNIX Administrator
fscked@pacbell.net (email)
415.664.6291 (voice/msgs)

# Providing administrative expertise (not 'damage control') since 1986.
# PGP fingerprint: 7EFF 164A E878 7B04 8E9F  32B6 72C2 D8A2 582C 4AFA



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