Re: Compilling Kernel 2.4.25 on Debian 2.0r3

[Federico Petronio <petrus@activesec.biz>]

Roberto Sanchez wrote:

> Federico Petronio wrote:
>
> > Hi, maybe somebody can help me in this:
> >
> > I recently compiled the 2.4.25 linux kernel (downloaded from 
> > kernel.org) on Debian Woody 2.0r3 (kernel 2.4) (all from stable 
> > branch) because I need support for some SCSI controller that is not 
> > build on the 2.4 stable kernel (2.4.18-1).
> >
> > Everything works well if I put all I need on the kernel, but if I try 
> > to use modules, I find some problems:
> >
> >     - The initrd image could not be read correctly ("cramfs: bad 
> > magic" is the message I get)
> >     - "The System.map file is not appropriate to the kernel" claims 
> > ps(1).
> >     - I get "unresolve symbol" messages when I try to insert modules.
> >
> > I guess all this could be caused by incompatibility between the 
> > kernel and the rest of the utilities needed for compilation, initrd 
> > generation, etc. Is this possible? Or I should look for other 
> > explanation?
>
> How did you build your kernel?  Did you build and install the initial
> ramdisk (if necessary) for your new kernel?

The usual (as far as I know) way.

make menuconfig
make dep
make clean
make bzImage
make modules
make modules_install

Then mkinitrd -o <initrd.img> /lib/modules/<new_modules_dir>

After that I copied the System.map and initrd.img to the /boot dir.

Finally I boot using grub.

--
                                       Federico Petronio
                                       petrus@activesec.biz
                                       Linux User #129974

---
There are only 10 types of people in the world:
             Those who understand binary and those who don't.