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Date:      Fri, 24 Nov 1995 01:10:49 +0000 ()
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        jkh@FreeBSD.ORG (Jordan K. Hubbard)
Cc:        hackers@FreeBSD.ORG, acolyte@uoknor.edu
Subject:   Re: [Fwd: 2.1.0 install won't find COM2 for ppp/ftp install]
Message-ID:  <199511240110.BAA29987@genesis.atrad.adelaide.edu.au>
In-Reply-To: <30B4E6B7.794BDF32@FreeBSD.org> from "Jordan K. Hubbard" at Nov 23, 95 01:25:11 pm

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Jordan K. Hubbard stands accused of saying:
> This looks like the infamous "FreeBSD doesn't find my internal modem"
> problem.  Argh!  Can we find and fix this one?  Maybe our serial probe
> is just a bit *too* discerning! :(

The "doesn't find my internal modem" one is normally for modems that emulate
the 16550 using a micro, and the problem is, I think, that sioprobe() is much
faster than the emulation.

I've had several people that I've asked to add delays at the 
/* XXX EXTRA DELAY? */ comments, but _none_ of the bastards have ever 
gotten back to me with results one way or the other.  All of them,
however, have failed the probe due to missing output interrupts.

This one looks different - I would guess that they have something else on
IRQ3, or their PCI setup is screwed.

> From: acolyte@uoknor.edu (The Acolyte)

> Well, that says it all.  Trying to set up FreeBSD 2.1.0 for the
> first time on my machine.  Unfortunately I need to use a PPP
> connection (I have ALL Thanksgiving break to do this :^).  On bootup
> from the boot.flp floppy I see a message finding COM1 @ x3f8, but
> says it can't find COM2 @ x2f8. So naturally I only have the option
> to use ucaa0 for a serial connection.  I tried changing to ucaa1 in
> the mini PPP program that comes with the install, but to no avail.
> I've got a Mouse on COM1 and a Gateway Telepath 14.4 modem on COM2.

What other hardware do you have in the machine?  In particular, is
there anything on IRQ3?  Ethernet adapter, sound card, etc?

> The controller card is the PCI/EIDE one that's built into my Acer
> AP5C pentium motherboard running a P5-90.

Check your PCI setup to make sure that IRQ 3 isn't being assigned to
something else as well...

> 					Eric

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
]] High-speed data acquisition and      (GSM mobile) 041-122-496        [[
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