where is the kernel image?

kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

Hello,
I have a question, I am installing Gentoo and compiled a kernel for x86 and did

"make && make modules_install" and it compiled successfully.

then when I try to copy the kernel to its place:

"cp arch/i386/boot/bzImage /boot/kernel-2.6.34-gentoo-r1"

it cant find the arch/i386 directory, so I cant place the kernel

the /boot dir it finds though.

Please help me, thx

keet · Guru Joined: 09 Sep 2008 Posts: 574

Is it in /usr/src/linux/arch/x86/boot?

kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

The directory /usr/src/linux/arch/x86/boot exist but there is no "bzImage" or kernel there as far as I can tell. (Unless its the dir thing called "compressed" with blue text)

Any other idea? I am excited since I almost have a working gentoo system

But it surely needs a kernel.

Jaglover · Posted: Mon Apr 25, 2011 1:04 am Post subject:

Try arch/i386/boot/bzImage
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kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

I tried "cd arch" and "cd /arch" it says "No such file or directory"

DONAHUE · Posted: Mon Apr 25, 2011 2:43 am Post subject:

be sure you are in the chroot

krinn · Watchman Joined: 02 May 2003 Posts: 7471

make install

now it is under /boot/vmlinuz + /boot/vmlinuz-kernelversion

kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

I was in chroot, "find -name / bzImage" or "find -name bzImage" doesn't work for me.

I tried "make install" nothing happened.

the "arch/i386/boot..." line I just copied from the handbook but I assumed a newer kernel
would be in "arch" folder aswell, since it was in the docs.

Any other ideas?

Jaglover · Posted: Mon Apr 25, 2011 12:03 pm Post subject:

arch/i386/boot/bzImage is the correct location for a 32-bit kernel. If it's not there then you probably weren't chrooted properly when you ran make.

Did you try make install as krinn suggested?
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kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

I tried "make install"
it said: "make **' No rule to make target ìnstall´. Stop."

I'm not so experienced with Linux and Gentoo so I might miss something simple.

I have /mnt/gentoo and /mnt/gentoo/boot on the same harddrive without partitions
Maybe I somehow missed to create a simpe "/" root partition?

Thanks for the help

(addition:)
I did some other things efter compiling the kernel even though it wasn't in place, for example emerging a system logger and xorg, while I slept.

kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

I found this with google:

> On Friday 15 September 2006 18:53, Steven G Wagner wrote:
>
>> I'm trying to install a 2.6.16-hardened-r11 kernel and I keep getting this
>> error:
>>
>> cp: cannot stat 'arch/i386/kernel/bzImage': No such file or directory
>>
>
> If at that moment you typed pwd you would see that you were not in
> the /usr/src/linux directory and therefore the path to
> arch/i386/kernel/bzImage could not be found. Go back into /usr/src/linux
> before you run again the cp command:
>
> cd /usr/src/linux
> cp arch/i386/kernel/bzImage /boot/'whatever_you_want_to_call_it'
>

Also my kernel isn´t in arch/i386/kernel/bzImage but in
arch/i386/boot/bzImage.

solved it I think

kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

I went here cd /usr/src/linux

and then "cp arch/i386/boot/bzImage /boot/kernel-2.6-gentoo-r1"
it seemed to copy correctly, but
when I wrote the lilo conf file and then "/sbin/lilo":

it responded with "Fatal: open /boot/kernel-2.6-gentoo-r1: No such file or directoy"

Any ideas what to do?

champ · Posted: Mon Apr 25, 2011 1:32 pm Post subject:

Did you do "mount /boot" before copying?
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kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

/boot is mounted.

But now I cant copy the bzImage.

"I went here cd /usr/src/linux

and then "cp arch/i386/boot/bzImage /boot/kernel-2.6-gentoo-r1 " now that doesn't work it says "No such file or directory"

DONAHUE · Posted: Mon Apr 25, 2011 4:11 pm Post subject:

gerard27 · Posted: Mon Apr 25, 2011 4:44 pm Post subject:

When you are in /usr/src/linux directory the correct way to issue the cp command would be like this

kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

I think I made a mistake during file and partitioning setup.

When I entered "find / -name bzImage" it says:

File system loop detected: /boot is part of the same file system loop as /.

This is the problem I think. I used gparted on the live dvd to just format both harddrives to ext3 primary, without sections or partitions. And made sda1 into /mnt/gentoo AND /mnt/gentoo/boot

Can I fix this somehow and keep what I already have emerged and the system files I edited?

Thanks for the help

DONAHUE · Posted: Mon Apr 25, 2011 7:12 pm Post subject:

yes probably
boot cd
mount /dev/sda1 /mnt/gentoo
do not mount /mnt/gentoo/boot
I am presuming sda1 if different ...

gerard27 · Posted: Mon Apr 25, 2011 7:17 pm Post subject:

It's not clear to me what exactly you did.
What do you have on disk 1 and what on disk 2?
Gerard.
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DONAHUE · Posted: Mon Apr 25, 2011 7:27 pm Post subject:

@ kramdolf
Mon Apr 25, 2011 2:12 pm Post should answer your question

@gerard
he ran:

aidanjt · Posted: Mon Apr 25, 2011 10:40 pm Post subject:

I just run `make install`, and it copies it over as /boot/vmlinuz-{version} and automatically updates kernel image symlinks if they already exist. I don't know why the handbook recommends a manual copy, don't really care, either. The install target works just fine.
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nemectic · Apprentice Joined: 20 Aug 2004 Posts: 182

I prefer copying them over myself, and having a meaningful name. If you have several vmlinuz-xxxx, it can get a little confusing if you don't keep track of them - I'm guessing whoever wrote the handbook thought the same.

aidanjt · Posted: Mon Apr 25, 2011 10:45 pm Post subject:

Yeah, perhaps. Works for me, though.

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nemectic · Apprentice Joined: 20 Aug 2004 Posts: 182

Yeah, I think it's just a matter of taste. Gentoo, and Linux in general, is all about choice after all.

kramdolf · n00b Joined: 24 Mar 2010 Posts: 47

Thank you for your helpful responses