Linux Kernel 3.6 on Ubuntu

The Linux kernel 3.6 was released on on Saturday, November 30 2012 by Linus and currently I’m running the new kernel on my Ubuntu 12.04 machine. I used my post Compile the mainline Linux kernel for Ubuntu to make it happen.

As I already was running a vanilla kernel, I had to make some minor adjustments to the way we setup the environment to compile the vanilla kernel. All code and references in this article assume you have the setup as described in the article Compile the mainline Linux kernel for Ubuntu. I’ve written this article from memory so there is a small chance that I missed a small piece.

Getting the source

The mainline repository is big, so cloning the repository will take a while, depending on your Internet speed.

cd /d1/development/kernel/vanilla/source
git checkout master
git pull

We now have the updated kernel source.

Updating the branch

We need to update our i7 branch to reflect the Linux 3.6 kernel.

First we’ll make sure we have the 3.6 source in our branch.

git checkout i7
git rebase v3.6

Update the changelog

To recreate the changelog

rm debian.master/changelog
DEBEMAIL="peter@avh.int"; DEBFULLNAME="Peter van der Does"; dch -v 3.6.0-999.201210040933 --distribution precise --package linux --create -c debian.master/changelog Mainline build: v3.3.0

This will create the changelog in debian.master as follows

linux (3.6.0-999.201210040933) precise; urgency=low

  * Mainline build: v3.3.0

 -- Peter van der Does   Fri, 23 Mar 2012 19:44:07 -0400

Update the config files
As we already have our own flavor setup, all we need to do is update the configurations with the new options given to us by the Linux 3.6 kernel.

fakeroot debian/rules clean
fakeroot debian/rules updateconfigs

I generally just accept all the default values and if I want to make configuration changes, I’ll do those separately. Remember that your previous configuration changes are not overwritten.

If you want you to make changes to your configuration you can

debian/rules editconfigs

The script will ask us if we want to edit the particular configuration. We should not make changes to any of the configurations until we see the i7 configuration.

Do you want to edit config: amd64/config.flavour.i7? [Y/n]

We make our changes, save the configuration and then keep answering no to any other questions until the script ends.

Commit new updates
We want to keep the changes we just made for when we’re going to upgrade to Linux kernel 3.7 in the future.

git add debian.master/config/
git commit --amend

Now we need to clean up the git tree in order to get ready for compilation.

git reset --hard
git clean -df

Compilation

It’s finally time for compiling, to keep our newly created branch in pristine condition we will do the compilation in a separate branch. We keep our branch clean as this will help later on when we want to update our new branch to a newer kernel.

git branch -D work
git checkout -b work
fakeroot debian/rules clean

All the packages will be created in the directory /d1/development/kernel/vanilla
Create independent packages:

fakeroot debian/rules binary-indep
fakeroot debian/rules binary-perarch
fakeroot debian/rules binary-i7

After the compilation is finished we’ll have all the packages in the parent directory.

This article is filed under the categories Ubuntu » Compile a kernel and has no tags associated with it.

For more of the same articles see the page Compile a kernel for Ubuntu overview
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