Baslinux mailing list

[sindi keesan <keesan AT sdf.lonestar.org>]

On Fri, 5 Jan 2007, Christof Lange wrote:

> On  5 Jan 07 at 17:15, keesan AT sdf.lonestar.org wrote:
>
> > I am using the cdrecord from Slackware 8.1 (or maybe it is the cdread
> > from Slackware 8.1 - I needed something newer to deal with encrypted music
> > CDs).  They work with kernel 2.2.16 and my 2.4.31 sm kernel, for me.

> The error messages do not complain about cdrecord but SCSI driver
> (whatever this may be).

scsi_mod is the main scsi driver - is this the one that gives the message?

sr_mod is for CD-ROM drives
sg is general scsi device
sd_mod is scsi disk (which the USB flash drive emulates)

The CD-burners use drivers that are scsi-based even though the burners are 
ide.  The emulation is done with ide-scsi module.  Because someone 
originally wrote the burner support for SCSI drives and simply patched it 
to work with IDE instead.  I think in newer kernels they fixed this.

USB storage seems to be actual scsi.  The DOS aspidos5.sys driver
is a scsi driver too.

> So first I shall have a look at the modules
> and kernels. Before I test your experimental kernels, I will probably
> try to fix my broken CD-ROM support. Without mounting CDs I
> will not be able to do anything on that computer.

It does not work with 2.2.16 either?  Or 2.2.26?
Does the burner work with some other operating system?  Can you try this 
first with a non-burning CD-ROM drive and then add the scsi parts?

> > I know very little about CD burning, just what I learned from you.
>
> I just discovered the chapter of the BL2 FAQ on CD burning that
> I had contributed those days. I applied a CD-Write Howto without
> knowing what I did, and had luck. I am afraid that I have not enough
> knowledge to tell you what is wrong with the l8 kernel.
>
> > Does David's 2.4.31 kernel work to burn CDs?  Use HIS modules, not mine,
> > they are not interchangeable because he compiled using a different glibc.
>
> Although David's USB floppy image was my starting point, his kernel
> does not work with my RAM disks (does not load usbcore module).

You don't need the modules with his kernel, they are built in, I think, 
which means if you try to insert usbcore it may crash instead.
Try it again.  I think you need to insert the three CD-ROM modules.

> > We will figure this out eventually.
>
> May be. I aggree that it is too early to give up.
>
> Christof
>
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keesan AT sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org