Baslinux mailing list

[baslinux AT lists.ibiblio.org]

On Sat, 4 Aug 2007, baslinux AT lists.ibiblio.org wrote:

> > Subject: Re: [BL] bzimage.big and scsi
> > format=flowed

This is the configuration information for the bzimage.big kernel for BL3.
The scsi drivers are built into the kernel so do not need to be inserted 
as modules.

> > bzimage.big has
> > > > CONFIG_SCSI=y
> > > > CONFIG_BLK_DEV_SD=y
> >
> > Therefore when using a parallel port zip drive
> > (iomega) you should NOT
> > insert scsi_mod or sd_mod, they are built into the
> > kernel.  Trying to
> > insert these modules will cause problems.
> >
> > Using bzimage.big
> >
> > insmod parport
> > insmod parport_pc
> > insmod imm (or ppa)
> >
> > Sindi
>
> This is probably confusing at least one person besides
> me.
> I wrote:
> > > Trying to get my IOmega parallel port zip drive
> > > working w BL3.
> > > Does the BIOS setting need to be changed to have
> > > BL3 recognize this by ppa?  Is there another module
> > > besides ppa.o I need to download and then run with
> > > insmod?
>
> Steven replied
> > Sindi knows more about this than I do (I've never
> > used a zip drive).  However, I think you might
> > need to activate the parallel port first by doing:
> > -----------------
> > insmod parport
> > insmod parport_pc
> > -----------------
> > Then do: insmod ppa

The above is correct, when using bzimage.big
(unless you have an imm drive, then use imm not ppa)

> Sindi added this
>
> > insmod parport
> > insmod parport_pc
> > insmod scsi_mod
> > insmod sd_mod
> > insmod ppa (for older model)
> >         or
> > insmod imm (for newer ZIP PLUS model)

The above is correct for some kernels that I compiled for BL2 (2.4.31 
kernels) which are set to accept scsi modules but do not have the drivers 
built into the kernel.  It is not correct for the BL3 bzimage.big kernel

Whether or not to insert these two modules depends on the kernel you are 
using.

There are two ways to do this:
1.  Use a kernel which is configured to let you insert these two modules.
(In .config   CONFIG_SCSI=m  and CONFIG_BLK_DEV_SD=m) and insert the 
modules.  This is my bzimagsm.431 kernel.

2.  Use a kernel with these modules built-in (y instead of m) and do not 
insert the modules.  BL3 bzimage.big is this type of kernel.

The smaller BL3.5 kernels have =n so none of them will work with scsi 
devices.  Therefore you must use bzimage.big, which has them built in, and 
you do not need to insert them.  If you DO insert them when they are built 
in it causes problems (probably a crash).

> With BL3.5 (specifically), in order to successfully
> use a parallel port zip drive (iomega) according to
> what Sindi claims above, is it now MANDATORY to use
> bzimage.big -- thus possibly replacing
> the optimized zimage.4dx, zimage.p1, or zimage.p2
> kernels???

Yes.  These other three zimage kernels are not designed to let you insert 
the scsi_mod and sd_mod modules.  bzimage.big does not need them inserted, 
they are built-in.  So for BL3 follow Steven's original instructions, but 
if ppa does not work, use imm instead.

 Sindi

> -dw
>
>
>
>      
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keesan AT sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org