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I upgraded my kernel on Ubuntu 12.04 in order to gain access to the include/uapi/ headers.
The full kernel version that I upgraded to is 3.9.0-030900-generic, following this tutorial.

Unfortunately, the headers seem to have remained the same because the uapi directory doesn't exist. To diagnose the problem, I tried to download the source for my 3.9 kernel with:

sudo apt-get source linux-image-$(uname -r)

However the output is

Picking 'linux' as source package instead of 'linux-image-3.9.0-030900-generic'

And this results in the kernel source for 3.2 being downloaded instead of 3.9.

What action must I take to install the kernel/headers properly?

I looked through these two posts before posting for insights, to no avail:

Community
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eitan27
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1 Answers1

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I suggest you download and install the headers appropriate to your architecture; either 32- or 64-bit, from here: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.9-raring/

chili555
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