[lfs-support] Kernel can not boot

Niels Terp nielsterp at comhem.se
Thu Mar 21 12:16:29 PDT 2013



-----Oprindelig meddelelse-----
Fra: lfs-support-bounces at linuxfromscratch.org
[mailto:lfs-support-bounces at linuxfromscratch.org] På vegne af Bruce Dubbs
Sendt: 21. marts 2013 20:06
Til: LFS Support List
Emne: Re: [lfs-support] Kernel can not boot

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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Thank you Bruce,

What happened was, that the boot started, but ended in kernel panic, then
the screen scrolled on very fast, obscuring what exactly happened.

If I understand you right, I can just rebuild the kernel, copy the files to
/boot and then update GRUB, so I think I will go for that solution.

Niels




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