[Linux-wlan-ng-devel] Bug#225169: Bug#225169: linux-wlan-ng: Should build a .udeb (?)

[Christian Meyer]

Hello there,

I wasn't able to build a lwng-udeb, it's too hard for me. Source, building, configfiles or
binary-only is confusing me and I can't think clearly any more.

But I managed to install Lenny with d-i using my prism2_usb device (even using WEP).
So I write down how I did it. Perhaps someone else can benefit from it or possibly build
the udeb (I think it's not too much work).
I don't know if all modules are neccessary (I read somewhere that orinocco (I think)
can handle prism_2 devices except the prism2_usb) so perhaps it is possible to
save some some bytes, but I leave them in my description because of completeness.

1. Download the smallest d-i iso available (mini.iso)
   e.g. http://ftp.nl.debian.org/debian/dists/lenny/main/installer-i386/current/images/netboot/mini.iso
2. Build kernel modules for the installer kernel
   You need linux-wlan-ng-source, module-assistant and linux-headers-2.6.26-1-468 and
   /usr/src/linux-wlan-ng-modules-2.6.26-1-486_0.2.9+dfsg-2_i386.deb will be created:
   
   aptitude install linux-wlan-ng-source linux-headers-2.6.26-1-486
   m-a -l 2.6.26-1-486 build linux-wlan-ng

3. Extract vmlinuz and initrd.gz from the iso-file
4. Create a temporary directory and put the content of initrd (inside initrd.gz) there.
   Be shure that you extracted the empty directories (e.g. /proc, root) too.
5. Just copy a few files from linux-wlan-ng and the created (see 2.) modules
   into the temporary directory. (See filelist.lwng, total: 450kb)
6. Now you must modify four files in /lib/modules/2.6.26-1-486
   (the d-i kernel must know where to find the kernel-module, see the files attached as
   modules.alias.prism2, modules.dep.prism2, modules.pcimap.prism2 and modules.usbmap.prism2)
7. Create a new initrd by executing in the temporary folder:

   find . | cpio --create --'format=newc' | gzip >../initrd.gz

8. Place kernel and initrd.gz somewhere you can acces them via your bootloader and boot them
    (no need for a CD or something else but your WEP key)

   Install your Lenny system ;-)

9. If you want to use prism2_usb in your freshly installed system, you must
   install linux-wlan-ng, linux-wlan-ng-source and the matching linux-headers
   of your installed kernel BEFORE you finish installation and reboot in your
   new system (eg. by pressing F2 when d-i says "ready, please reboot"):

   apt-install linux-wlan-ng linux-wlan-ng-source linux-headers-<your_kernel_version>

10. Having some problems with "in-target m-a -l <your_kernel_version> build linux-wlan-ng",
   I created the modules for my lenny-system after rebooting, but I think for lwng-udeb
   there should be a way creating and installing them from d-i using "in-target".
   So I used: "m-a a-i linux-wlan-ng" in my freshly installed lenny

There is no need to configure something in your new lenny system since d-i copied the
configuration into the target system.

After the installation I had an bug ("Warning: Fake start-stop-daemon called, doing nothing"
and therefore was not able to startx) which isn't neccessarily related to lwng.
However, it could be solved with: mv /sbin/start-stop-daemon.REAL /sbin/start-stop-daemon


Thanks so long and sorry for not providing an ubdeb.

Christian Meyer
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