Re: Help needed adding modules to the boot image

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Thanks for the response, Ed.  I followed the steps you suggested for
compiling my module.  I do end up with a different module than what I get
by using my compilation steps.  When I try to kickstart, I never see the
e100 module try to get loaded and my Alt-F3 screen shows
* found nothing
* no appropriate device for kickstart method is available

Why doesn't it automatically try to load the e100 module?

I then added a line to my ks.cfg file which specifically calls out the e100
module.  On my Alt-F3 window I see:
* found nothing
* found information on module e100
* going to insmod e100 (path is NULL)
*/tmp/e100.o : unresolved symbols __netdev_watchdog_up
*/tmp/e100.o : unresolved symbols eth_type_trans
*/tmp/e100.o : unresolved symbols __kfree_skb
* and a whole lot more unresolved symbols
* module e100 failed to insert





                                                                                                                                           
                      Ed Brown                                                                                                             
                      <ebrown@xxxxxxxx>            To:      kickstart-list@xxxxxxxxxx                                                      
                      Sent by:                     cc:                                                                                     
                      kickstart-list-admin         Subject: Re: Help needed adding modules to the boot image                               
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                      03/21/2003 05:29 PM                                                                                                  
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Rebecca,

             When I compiled a newer e1000.o module for a 7.3 kickstart, I
found the
needed clue here:
http://www.linuxmanagers.org/pipermail/linuxmanagers/2002-September/000731.html


In short, after you have booted up using the BOOT kernel, before you
compile the driver, it was necessary to edit /boot/kernel.h:
changing:
 #define __BOOT_KERNEL_UP 1
to:
#define __BOOT_KERNEL_UP 0
and adding:
#ifndef __BOOT_KERNEL_BOOT
#define __BOOT_KERNEL_BOOT 1
#endif

Again, this was for 7.3. I don't know for sure that it will solve your
problem...

-Ed


On Fri, 2003-03-21 at 14:42, Rebecca.R.Hepper@xxxxxxxxxxx wrote:
> Hello all,
>
> I posted a few notes on this subject back on Oct '02.   I never got the
> problem resolved and now I am revisiting it.   Unfortunately, I am not
> having any more luck this time around.  I finally decided one last post
to
> the kickstart list asking for help, then if I don't get it, I am giving
up
> for good!!
>
> I am doing a RedHat 7.1 kickstart.  The e100.o module that comes with the
> bootnet.img is too old to work with my motherboard.  So, I need to put an
> updated e100.o module onto my kickstart floppy.  I compile the e100.o
> module under the BOOT floppy, add it to the bootnet.img, create a floppy
> and try to kickstart.  I end up with the following message on my Alt-F3
> window:
>
> * going to insmod e100.o (path is null)
> /tmp/e100.o : unresolved_symbol __io_virt_debug
> /tmp/e100.o : unresolved_symbol __netdev_watchdog_up
> /tmp/e100.o : unresolved_symbol eth_type_trans
> /tmp/e100.o : unresolved_symbol __kfree_skb
> /tmp/e100.o : unresolved_symbol alloc_skb
> /tmp/e100.o : unresolved_symbol init_etherdev
> /tmp/e100.o : unresolved_symbol skb_under_panic
> plus about 12 more unresolved symbols
> * No appropriate device for kickstart method is available
>
> I have listed my steps below.  If anyone has any suggestions, they would
> greatly be appreciated!!
>
> First, I compile my e100.o module under the BOOT kernel with the
following
> steps:
> 1) Install the BOOT kernel RPM --> kernel-BOOT-2.4.2-2.i386.rpm
> 2) Install the kernel source RPM --> kernel-source-2.4.2-2.i386.rpm
> 3) Copy the BOOT config file to the kernel source directory
>       cp /usr/src/linux-2.4.2/configs/kernel-2.4.2-2-i386-BOOT.config
> /usr/src/linux-2.4.2/.config
> 4) Configure the kernel source tree
>      cd /usr/src/linux-2.4.2
>      make clean
>      make dep
> 5) Alter the Makefile in the e100 module src directry (I previously
grabbed
> the e100-2.1.24.tar.gz  file from the Intel site and untarred it).
> Change the KSP defines as shown below:
>      KSP := /usr/src/linux-2.4.2
> 6) Make the module
>
>
> My steps for altering the bootnet.img compiled from various posts on the
> kickstart list:
>
> Setup
> 1.  Make the following directories:
> /tmp/boot
> /tmp/boot/custom_img
> /tmp/boot/initrd_img
> /tmp/boot/modules
> 2.  Copy the bootnet.img to /tmp/boot. Bootnet.img can be grabbed from
CVS
> or RedHat CD #1.
> 3.  Rename the bootnet.img to custom.img
>
> Mount and decompress the files from the boot image
> 1.  Move into the working directory
>     cd /tmp/boot
> 2.  Mount the custom.img as a filesystem mount
>     mount -o loop custom.img custom_img
> 3.  Decompress
>     gzip -dc custom_img/initrd.img > initrd.ext2
> 4.  Mount initrd.ext2 as a filesystem mount
>      mount -o loop initrd.ext2 initrd_img
> 5.  Get the modules
>      gzip -dc initrd_img/modules/modules.cgz >modules.cpio
> 6.  Extract the cpio archive
>      cd /tmp/boot/modules
>      cpio -idumv < /tmp/boot/modules.cpio
>
> Get the new modules in place
> 1.  Copy the new e100.o module to /tmp/boot/modules/2.4.2-2BOOT
> 2.  Remove unwanted modules in /tmp/boot/modules/2.4.2-2BOOT .  I removed
> hid.o, sis900.o, hp100.o and de4x5.0
> 3.  Edit /tmp/boot/initrd_img/modules/module-info Remove information on
the
> modules I deleted.
> 4.  Edit /tmp/boot/initrd_img/modules/modules.dep
> 5.  Edit /tmp/boot/initrd_img/modules/pcitable Updated with information
on
> the new e100.o module
>
> Rebuild the boot image
> 1.  Get into the modules directory
>      cd /tmp/boot/modules
> 2.  Create new modules.cpio file
>      find 2.4.2-2BOOT -print -depth |cpio -H crc -ovF modules.cpio 2>
> /dev/null
> 3.  Compress the file
>      gzip -S .cgz modules.cpio
> 4.  Remove the old modules.cgz
>      rm /tmp/boot/initrd_img/modules/modules.cgz
> 5.  Move the new modules file into place
>      mv modules.cpio.cgz /tmp/boot/initrd_img/modules/modules.cgz
> 6.  Get into the boot directory
>      cd /tmp/boot/initrd_img
> 7.  This is an important step if the floppy is full. The ext2 partition
has
> junk left over from the removed files. It will not compress and fit on
the
> floppy without zeroing unused bits to improve compression ratio. You will
> get an error that says "No Space Left on Device" -- just continue on.
>      touch zerofile
>      cat /dev/zero > zerofile
>      rm -f zerofile
> 8.  Move directories again
>      cd /tmp/boot
> 9.  Unmount the initrd filesystem
>      umount initrd_img
> 10.  Recompress it
>      gzip initrd.ext2
> 11.  Remove old initrd.img
>      rm custom_img/initrd.img
> 12.  Place new initrd on boot image
>      mv initrd.ext2.gz custom_img/initrd.img
> 13.  Remove unneeded *.msg files from /tmp/boot/custom_img
> 14.  Copy your syslinux.cfg and boot.msg files to /tmp/boot/custom_img
> 15.  Unmount the bootnet filesystem
>      umount custom_img
>
> Place the custom.img on the boot floppy
> 1.  custom.img is located in /tmp/boot. This is the file that will need
to
> be copied to a floppy in order to create a kickstart floppy.
>      dd if=custom.img of=/dev/fd0
> 2.  Mount the floppy and copy the ks.cfg to it.
>
>
>
>
> _______________________________________________
> Kickstart-list mailing list
> Kickstart-list@xxxxxxxxxx
> https://listman.redhat.com/mailman/listinfo/kickstart-list
>




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