Erich,

On Fri, 20 May 2011 16:45:08 +0200, Erich Titl <erich.t...@think.ch> wrote:

> Hi
> 
> at 20.05.2011 10:46, Mark Plowman wrote:
> > Ladies and Gentlemen,
> > 
> > I am (gradually) attempting to upgrade my trusty Bering-uClibc_3.x
> > Floppy Firewall to a Bering-uClibc_4.0-rc1 CD & Floppy.
> > 
> > I burnt a Bering-uClibc_4.0-rc1_i486_isolinux_vga.iso CD, added a CD
> > drive to the old Pentium MMX box, configured the BIOS to enable the
> > IDE controller and be able to boot from CD and booted.
> > 
> > It all came up but the Floppy Disk Controller wasn't detected and
> > consequently I could progress much further.  :-(
> > 
> > The old Bering-uClibc_3 floppy (same hardware, same BIOS
> > configuration) says:
> > 
> >   Floppy drive(s): fd0 is 1.44M
> >   FDC 0 is a post-1991 82077
> > 
> > What am I doing wrong?
> 
> I _guess_ your initrd does not include the floppy.ko kernel module.

If I inspect the initrd on the CD on another machine (zcat, cpio
magic) I see a lib/modules/floppy.ko.  So that doesn't seem to be the
case.


> Can you try to look what is in /boot/etc/modules?

isofs
vfat


> Try
> 
> lsmod floppy

Lists all the loaded modules (lsmod doesn't appear to take a
parameter).

# lsmod | grep floppy

returns nothing.

> then
> 
> modprobe floppy

correctly loads the floppy driver, as proven by above '# lsmod | grep
floppy' returning:

floppy 38916 1 - Live 0x88e92000

and:

  [  307.196208] Floppy drive(s): fd0 is 1.44M
  [  307.210820] FDC 0 is a post-1991 82077

added to the tail of dmesg.


So...

Is the problem in the "automatically detecting" the floppy?

This old Pentium MMX box is old and obscure enough to have all sorts
of BIOS/firmware bugs.  See (amongst others):

  [    0.000000] DMI not present or invalid.

But the old kernel was seeing it and the new one isn't.


Is the right question to ask now:

  How do I force a 'modprobe floppy' at boot time?

or should I be asking a different question?


> cheers
> 
> Erich

Greetings

Mark

-- 
If you have an apple and I have an apple and we exchange these apples
  then you and I will still each have one apple.
But if you have an idea and I have an idea and we exchange these ideas,
  then each of us will have two ideas.

  --  George Bernard Shaw 

Do *not* use the following address, it's just a "spam trap":
  aaro...@plowman.nl

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