[lfs-support] Kernel can not boot

Bruce Dubbs bruce.dubbs at gmail.com
Thu Mar 21 12:05:32 PDT 2013

Niels Terp wrote:
> Hi there,
> I have build LFS several times now, and I wanted to upgrade to the new
> kernel 3.8.3.
> I started out from scratch, the only change I made from the book was the new
> kernel. Since I have a quad-core processor in my laptop, I made all the
> builds whith the make flag '-j 4'. And because I had made the build several
> times on the same hardware, I skipped most of the tests. It didn't work :-(
> Then I repeated the whole thing, this time without the make flag. It still
> didn't work.

What didn't work?  Boot?  What happened?

> Is there anything special I should do, to use the 3.8.3 kernel ? And now
> 3.8.4 is out, what about that one ?

Use the latest.

> And by the way, what is the correct procedure if I want to upgrade the
> kernel after an installation is finished ? I guess I would have to extract
> the headers, and rebuild GCC and GLIBC ? What about the other programs, is
> any of them using the kernel headers ?

Just build the kernel and copy to /boot.  Then update grub.cfg.  Do 
*not* change the headers.  They need to be the same as used for building 
glibc.  The is no need to update gcc or glibc.

   -- Bruce

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