ken at kenmoffat.uklinux.net
Fri Feb 27 14:16:34 PST 2004
On Fri, 27 Feb 2004, Kevin Alm wrote:
> On Friday 27 February 2004 12:27 pm, Dagmar d'Surreal wrote:
> > This one last line was all that needed to be mentioned. The default
> > behaviour for the kernel with respect to IDE CD drives is to assign
> > control of them to ide-cd. You can stop this one of two ways... One is
> > to assign control of the particular drive to ide-scsi using the
> > hd?=ide-scsi argument, and the other is to tell ide-cd to ignore hd?
> > (once again, with a kernel boot argument) but you'll _still_ need to
> > assign ide-scsi control of hd? (which is most easily done with a kernel
> > boot argument).
> > When the kernel boots and inits the IDE bus, it will at that time
> > attempt to assign something to handle each device on the bus. If you've
> > built ATAPI cdrom support into your kernel, it's going to become the
> > handler of your drive whether you like it or not unless you tell it
> > otherwise.
> > --
> > The email address above is phony because my penis is already large enough,
> > kthx. AIM: evilDagmar Jabber: evilDagmar at jabber.org
> I generally agree with most of what you say, however...
> There is one point I mentioned before that might bear repeating. Because most
> lfs systems don't use an initrd, compiling ide-scsi as a module and passing
> the kernel argument hd?=ide-scsi doesn't work as a rule. The simplest,
> cleanest way to use scsi cdrom emulation is to compile in ide-scsi, compile
> ide-cd as a module or not at all, and pass hd?=scsi on the kernel line. You
> don't need anything in modules.conf.
> Kevin Alm
What's an initrd got to do with it ? I use hd?=ide-scsi on most of my
2.4-kernel boxes. If you're as behind the times as I am you put a stack
of things into /etc/modules.conf for it.
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