missing the initrd file in the kernel package
Antonio Diaz
Hi,
When I compile the kernel the file "initrd" is not created in spite
of I'm specifying the "--initrd" option in the command line. Exactly,
the command that I'm using to compile the kernel is:
"make-kpkg --initrd --revision=1:xps.10 kernel_image"
May be there is a problem with the application that creates the
initrd file.
Any suggestions?
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Manoj Srivastava
> When I compile the kernel the file "initrd" is not created in spite
> of I'm specifying the "--initrd" option in the command line. Exactly,
> the command that I'm using to compile the kernel is:
>
> "make-kpkg --initrd --revision=1:xps.10 kernel_image"
>
> May be there is a problem with the application that creates the
> initrd file.
>
> Any suggestions?
,----[ Manual page make-kpkg(1) ]
| --initrd
| If make-kpkg is generating a kernel-image package, arrange to
| convey to the hook scripts that this image requires an initrd,
| and that the initrd generation hook scripts should not short
| circuit early. Without this option, the example initramfs hook
| scripts bundled in with ker‐ nel-package will take no action on
| installation. The same effect can be achieved by setting the
| environment variable INITRD to any non empty value. Please note
| that unless there are hook scripts in /etc/kenel or added into
| the hook script parameter of /etc/kernel-img.conf. no initrd
| will be created.
`----
So, drop in scripts in /etc/kernel/post{inst,rm}.d/ to
create/delete the initramfs files. You can use yaird, or
initramfs-tools. For the latter, there are example scripts that you
could use as a starting point:
/usr/share/kernel-package/examples/etc/kernel/post{inst,rm}.d/initramfs
manoj
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Manoj Srivastava <sriv...@acm.org> <http://www.golden-gryphon.com/>
1024D/BF24424C print 4966 F272 D093 B493 410B 924B 21BA DABB BF24 424C
emikaadeo
I upgraded to kernel-package 12.010
If i use a :
make-kpkg --initrd kernel_image
then created .deb will have a initrd image ?
And it will install it ?
Sorry but my english is not so good, so i'm trying to get this clear.
Manoj Srivastava
No. The initrd image has neer been a part of the kernel image
deb, and it still is not. The initramfs/initrd bits arte always
generated on the machine the kernel image is installed upon.
> And it will install it ?
Well, since the initramfs image is not pat of the linux-image-*
packages, install is not the right word. Create is what actually needs
to happen.
Now, nothing is created automatically. you need to provide a
hook script for this to happen. The user provides such scripts. For
example, to invoke mkinitramfs, I did:
--8<---------------cut here---------------start------------->8---
cp /usr/share/kernel-package/examples/etc/kernel/postinst.d/initramfs \
/etc/kernel/postinst.d/
cp /usr/share/kernel-package/examples/etc/kernel/postrm.d/initramfs \
/etc/kernel/postrm.d/
--8<---------------cut here---------------end--------------->8---
To run grub, I have in /etc/kernel-img.conf:
--8<---------------cut here---------------start------------->8---
postinst_hook = update-grub
postrm_hook = update-grub
--8<---------------cut here---------------end--------------->8---
You can look at other example in the examples directory:
/usr/share/kernel-package/examples/
to see if there are other example script you want to cp into
/etc/kernel -- and you can create your own scripts.
> Sorry but my english is not so good, so i'm trying to get this clear.
That's all right. English was my fourth language as well.
manoj
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Manoj Srivastava <sriv...@acm.org> <http://www.golden-gryphon.com/>
1024D/BF24424C print 4966 F272 D093 B493 410B 924B 21BA DABB BF24 424C
emikaadeo
> Now, nothing is created automatically. you need to provide a
> hook script for this to happen. The user provides such scripts. For
> example, to invoke mkinitramfs, I did:
> --8<---------------cut here---------------start------------->8---
> cp /usr/share/kernel-package/examples/etc/kernel/postinst.d/initramfs \
> /etc/kernel/postinst.d/
> cp /usr/share/kernel-package/examples/etc/kernel/postrm.d/initramfs \
> /etc/kernel/postrm.d/
> --8<---------------cut here---------------end--------------->8---
>
> To run grub, I have in /etc/kernel-img.conf:
> --8<---------------cut here---------------start------------->8---
> postinst_hook = update-grub
> postrm_hook = update-grub
> --8<---------------cut here---------------end--------------->8---
>
> You can look at other example in the examples directory:
> /usr/share/kernel-package/examples/
> to see if there are other example script you want to cp into
> /etc/kernel -- and you can create your own scripts.
>
Now everything is clear to me ;)
Big thanks!