Comment 2 for bug 633449

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RussianNeuroMancer (russianneuromancer) wrote : Re: 2.6.35-20 headers not installed automatically with 2.6.35-20 kernel image

Looks like I found origin of this issue.

Typical user do this:
1. Install Lucid release or Maverick Beta.
2. Update. New headers will be download and installed without problems, as expected.

But for reproduce this issue you must do this:
1. Install Lucid release or Maverick Beta.
2. Install upstream kernel from your link: https://wiki.ubuntu.com/KernelMainlineBuilds
3. Do something with upstream kernel - check some bug for example.
4. So, after that upstream kernel not no need anymore (and its' not comfortably - it' not updated automatically) and user remove it.
5. Try update after that - headers of new kernel, what available in repositories, not installed automatically. It's a big problem for all, who user additional kernel modules (VirtualBox modules, proprietary video driver modules, etc.), because after kernel update without headers update system can not boot.

I conclude there is problem no problem with APT or Linux, but problem with testing of upstream kernel process (Installing/Uninstalling) for Launchpad users.