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Suppose we have a stable Ubuntu release installed, such as 15.04 or 14.10 (my case). Suppose we have no interest in upgrading userland software, but have a dire need for a state-of-the-art kernel (in my case: to try the recent nouveau driver).

  • Is (trying to) run a stable Ubuntu on this unstable kernel practical? (as of September 15, 2015)
  • If it is, then is (trying to) install an unstable kernel as a package practical?
  • If it is, then how to ?

What was tried:

Looking at http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.3-rc1-unstable/ and observing “build logs” with make errors, a multimegabyte “patch”, and linux-headers-4.3.0-040300rc1_4.3.0-040300rc1.201509122030_all.deb (understandably) without a single kernel C source file inside.

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The kernel PPA you've tried is a good choice, I'd expect the debs for 4.3 to become a lot more usable very soon. Weather or not it's practical, depends on your expectations and requirements. For example, I wouldn't expect too much stabilty out of it. – mikewhatever Sep 15 '15 at 13:37
    
You do not need C source file to install a kernel. Just install the debs. – Pilot6 Sep 15 '15 at 14:13
    
@Pilot6: Do you know where binaries lie? Then give a link, please, instead of telling obvious truths. – Incnis Mrsi Sep 15 '15 at 14:32
    
The deb files ARE the binaries to install. – Pilot6 Sep 15 '15 at 14:34
    
@Pilot6: OK, second try. Do you know where debs containing Linux 4.3 binaries lie? – Incnis Mrsi Sep 15 '15 at 14:36
up vote 0 down vote

Ubuntu kernel technicians made their job, meanwhile.

Dowloading this and this and

sudo dpkg --install

on both packages solved the problem.

Result:

Linux duk 4.3.0-040300rc1-generic #201509160642 SMP Wed Sep 16 10:44:16 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
and Xorg without that annoying snow!

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