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Old 03-29-2009, 03:03 PM   #1
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Exact steps to build kernel on a machine and copy it to another machine?

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

1- download latest full version of kernel(.bz2) from (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)"

Old 03-29-2009, 03:50 PM   #2
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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
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
make menuconfig
# or ...
make xconfig
Doing this is a good way to get started with a parameter set that works.

--- rod.


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