Rebuild kernel so complicated?

Rebuild kernel so complicated?

[乃宏周]

AFAIK, rebuild the kernel should follow those steps at least:

   - *copy /boot/system-$(uname -r).map to ${kernel_src}*
   - *copy /boot/config-$(uname -r) to ${kernel_src}*
   - *cd ${kernel_src}*
   - *make menuconfig*, save config(If I don't wanna change anything for
   test).
   - *make -j9 bzImage.*
   - *override /boot/vmlinuz-$(uname -r) with
   ${kernel_src}/arch/x86/boot/bzImage*

Maybe those steps contains some typo or has some different paths. Buts the
point is I don't change any features from original setting, I just copy my
system.map and config to kernel source's one and rebuild the kernel(should
be the same with mine).

When I override new kernel and reboot, It just hanged, no any message print
out(No Oops, No panics). But if I do those steps with
this<http://it.livekn.com/2013/01/compile-kernel.html>,
everything goes fine. I just don't know the differences between the
standard way and debian's way. Is ubuntu abnormal ?
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Rebuild kernel so complicated?

[Sudip Mukherjee]

On Dec 8, 2013 2:27 AM, "???" <naive231@gmail.com> wrote:
>
> AFAIK, rebuild the kernel should follow those steps at least:
> copy /boot/system-$(uname -r).map to ${kernel_src}
> copy /boot/config-$(uname -r) to ${kernel_src}
> cd ${kernel_src}
> make menuconfig, save config(If I don't wanna change anything for test).
> make -j9 bzImage.
> override /boot/vmlinuz-$(uname -r) with
${kernel_src}/arch/x86/boot/bzImage

i think you have missed the step to create the initrd image and try
updating grub after all the steps are over.

Regards
Sudip
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Rebuild kernel so complicated?

[Razvan Ghitulete]

On 12/07/2013 12:57 PM, ??? wrote:
> AFAIK, rebuild the kernel should follow those steps at least:
>
>   * /copy /boot/system-$(uname -r).map to ${kernel_src}/
>   * /copy /boot/config-$(uname -r) to ${kernel_src}/
>   * /cd ${kernel_src}/
>   * /make menuconfig/, save config(If I don't wanna change anything
>     for test).
>   * /make -j9 bzImage./
>   * /override /boot/vmlinuz-$(uname -r) with
>     ${kernel_src}/arch/x86/boot/bzImage/
>
I might be in the wrong...but why are you copying your running kernel 
system.map to the src dir? AFAIK the system.map is generated during the 
build process. Also you should consider building the modules and 
installing them. Most probably your distro modules will have some 
problems with a custom built kernel(even though you have the same config).


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