Exact steps to build kernel on a machine and copy it to another machine?

ddel · 03-29-2009, 02:03 PM

Exact steps to build kernel on a machine and copy it to another machine?

1- download latest full version of kernel(.bz2) from kernel.org (example :2.6.29.tar.bz2)
2- untar and do make menuconfig
3- make
4- make modules_install
5- make install
6- copy the relevant files from /lib/modules and /boot to new machine
7- change grub.conf in new machine (left other configuration intact just changed the kernel )
8- boot new machine.

I have tried the above steps with many kernel version and it fails with errors like
"An error occured during file system check......Give root password for maintenance"

"Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)"

Thanks

theNbomr · 03-29-2009, 02:50 PM

If you have a working kernel, it should have a config file, probably in /boot, you can copy it to .config in the kernel source directory, and run

Code:

make oldconfig

This will suck the configuraton options from the original config file into the new one. From there, you can modify the new kernel parameters with

Code:

 
make menuconfig
# or ...
make xconfig

Doing this is a good way to get started with a parameter set that works.

--- rod.