Re: SCSI emulation for IDE CD-writer
On Sun, 29 Dec 2002 20:12:48 -0500
Shawn Lamson <shawn.lamson@verizon.net> wrote:
> On Sun, 29 Dec 2002 11:27:38 -0800 (PST)
> Bill Moseley <moseley@hank.org> wrote:
>
> > On Mon, 30 Dec 2002, Rob Weir wrote:
> >
> > > On Sat, Dec 28, 2002 at 11:33:10AM -0800, Bill Moseley wrote:
> > > > Another question: I have everything compiled into the kernel
> > > > instead of as modules. I have two IDE drives and I'm *not*
> > > > using the append line, yet the drives are still setup correctly
> > > > as SCSI.
> > > >
> > > > Why don't I need the append= line?
> > >
> > > AIUI, if you have ide-cd and ide-scsi (and sr_mod) compiled into
> > > the kernel, ide-scsi will win and take everything. I compile all
> > > the ide-scsi (and scsi) stuff as modules, because it's possible to
> > > play with them without a reboot.
> >
> > Ah, I see.
> >
> > My assumption was wrong then. I thought that the append= in lilo
> > was to pass things into compiled-in code, where modules loaded with
> > insmod could be passed in settings when they were being loaded.
> >
> > But does that mean that if you only want one drive to be ide-scsi
> > that you need to use modules?
> Well thankfully we both have working cdwriters , I too have everything
> compiled into the kernel... I also use the append line as so:
> kernel = /boot/vmlinuz-2.4.20 noapic nosmp root=/dev/hda12
> hdc=ide-scsi pci=biosirq vga=normal
>
> but I have heard that people had problems with scsi grabbing normal
> (cd?) drives and having to add :ide-cd ignore=hdx
>
> presumably b/c the ide-cd will grab before the scsi - which is
> actually the opposite of what Mr. Weir said. I don't really know
> which is true.
P.S. I forgot to mention I have:
CONFIG_BLK_DEV_IDECD=y
# Old CD-ROM drivers (not SCSI, not IDE)
# CONFIG_CD_NO_IDESCSI is not set
in my kernel... it takes signifigantly longer for my machine to "mount"
and "seek" (for example changing songs on an audio disk - obviously
unmounted) when using the scsi mode as opposed to just idecd on the same
drive. I don't know if anyone can account for this or offer a solution.
> I got so tired of configuring modules that I gave up and just put all
> in the kernel - even though I think I could get more "control" of
> things with modules (ie. my soundblaster live! 5.1)...
>
> Shawn
>
> >
> >
> >
> >
> >
> >
> > --
> > Bill Moseley moseley@hank.org
> >
> >
> > --
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>
> --
> Shawn Lamson
> shawn.lamson@verizon.net
> Debian GNU/Linux 3.0
>
>
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--
Shawn Lamson
shawn.lamson@verizon.net
Debian GNU/Linux 3.0
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