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Re: cdwriting using IDE under devfs?

To: Richard Gooch <rgooch@xxxxxxxxxxxxxxx>
Subject: Re: cdwriting using IDE under devfs?
From: Tom Zerucha <tz@xxxxxxxxxx>
Date: Tue, 27 Jun 2000 10:54:02 -0400
Cc: Tom Zerucha <tz@xxxxxxxxxx>, devfs@xxxxxxxxxxx
In-reply-to: <200006270445.e5R4jjg08453@vindaloo.ras.ucalgary.ca>; from rgooch@ras.ucalgary.ca on Mon, Jun 26, 2000 at 10:45:45PM -0600
References: <20000626220907.A13742@deimos.mw.mediaone.net> <200006270445.e5R4jjg08453@vindaloo.ras.ucalgary.ca>
Sender: owner-devfs@xxxxxxxxxxx
On Mon, Jun 26, 2000 at 10:45:45PM -0600, Richard Gooch wrote:
> Tom Zerucha writes:
> > I am using 2.4.0test1-ac22 and can't seem to find the right
> > combination to get my cdwriter to appear as a scsi drive.
> > 
> > Any one do this (with devfs on earlier kernels)?
> 
> Did this work before or not?

This is the first time I've tried it with devfs + linux 2.4.0test1

The no-devfs 2.4.0test1 worked (see below)

> If you load the sg driver, your device should appear under the
> /dev/scsi hierarchy. Does it?

It doesn't thought it appears it wants to load something.

I have all my IDE devices as modules (yes, ide-mod.o ide-probe-mod.o
ide-disk.o ide-cd.o and ide-scsi.o).  There does seem to be some
operational problems depending on the order of the modules - you need
ide-cd, ide-probe, and ide-scsi in that order.

Actually it seemed to work - I say seemed because as I was trying it
last night, (you get the messages when probing ide-scsi), but I got a
kernel panic.  I have modified modules.conf to use ide-scsi for the
scsi controller card but I don't know if that is right or not.  I
wasn't getting this far without a bus controller card, but it kpanics.

Normally it simply says scsi: 1 host a lot (for each probe in cdrecord
-scanbus) - it found the CDs this time.

Part of it might still be the IDE driver, but I think the devfs
load-unload is interacting with that in some way.

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