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I've been trying to build a Ubuntu Kernel for the past several weeks. (Actually, I don't need the kernel, I just need snd-aloop.ko, which is missing from the Ubuntu 14 server distributions, it's in 12, but I can't find a way to build just this module that works on the latest released Ubuntu that I'm running (Ubunty/trusty Linux vagrant-ubuntu-trusty-64 3.13.0-30-generic #55-Ubuntu SMP Fri Jul 4 21:40:53 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux)

I followed the directions on the official Ubuntu site and get this error

Using /home/vagrant/linux-3.13.0 as source for kernel
/home/vagrant/linux-3.13.0 is not clean, please run 'make mrproper'
in the '/home/vagrant/linux-3.13.0' directory.

Among the things mrproper does, is delete the "debian" directory!

CLEAN   /home/vagrant/linux-3.13.0/debian/
CLEAN   .config

How do I build without the debian directory, as the official Ubuntu documentation tells me to build the kernel with the "rules" script in the debian directory

 fakeroot debian/rules clean
 DEB_BUILD_OPTIONS=parallel=3 AUTOBUILD=1 fakeroot debian/rules binary-generic

Note that I run the debian/rules clean before my build, but it isn't clean enough for Mr. Proper! Ill get that message: 

/home/vagrant/linux-3.13.0 is not clean, please run 'make mrproper'

I have done nothing to the source tree other than set the .config file to match the system I'm running on. All I really want is a snd-aloop.ko that will load on my system. Why is Ubuntu so screwed up?

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  • snd-aloop.ko is included on my 14.04 computers. I also see it specified as a module build in all of my kernel config files. As for the kernel compile stuff, yes it is very annoying. I only use (the old fashioned way now)[help.ubuntu.com/community/Kernel/…. And, actually don't even compile the ubuntu kernel anymore, I only comopile the kernel.org one.
    – Doug Smythies
    Mar 12, 2015 at 22:17
  • I do not get snd-aloop.ko on my 14.04. I'm using the one from here: vagrantcloud.com/ubuntu/boxes/trusty64 Are you saying that other "14.04" distributions may be different?
    – Moishe Pipik
    Mar 12, 2015 at 22:21
  • I only use Ubuntu stuff from Ubuntu, and in that kernel what you want is there by default. I don't know anything about vagrantcloud.
    – Doug Smythies
    Mar 12, 2015 at 22:23
  • The amazon aws Ubuntu 14 image from Amazon doesn't have it either.
    – Moishe Pipik
    Mar 12, 2015 at 22:25
  • Well, if you think it might help, I can paste my notes on kernel compile into an answer, but they are based on the "old fashioned way" I referenced above. It has been a few years though, as like I mentioned I don't do it that way anymore (and, due to stupid mistakes on my part, I've build the kernel several times just today)
    – Doug Smythies
    Mar 12, 2015 at 22:29

1 Answer 1

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I just ran into the same error over and over and was getting annoyed. Turns out, if you copy your kernel config .config to the root, that is what causes the issue. There should not be a .config file at the source root.

You have to run fakeroot debian/rules editconfigs instead and edit the config file for the proper arch.

Use these instructions: https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel

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  • Thanks! I'd vote you up, but I don't have enough "reputation" points.
    – Moishe Pipik
    Mar 13, 2015 at 16:54
  • Yep, that was it. I was running make oldconfig. Thank you.
    – aremmell
    Apr 25, 2018 at 19:07

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