[Bug 2093005] [NEW] No warning on kernel version mismatch

[Jonah Janzen]

Public bug reported:

When running ubuntu-image on a host with a different kernel version than
the image being built, a warning or even error should be emitted, as
this can cause incompatibilities in the chroot environment.

I encountered this issue when using the ship-live seed, which contains
Nvidia driver packages. ubuntu-image will fail during the configuration
of the driver packages, as depmod in the chroot environment looks under
/lib/modules/<host kernel version> instead of /lib/modules/<image kernel
version>.

You can run the attached classic image definition on a system with an
outdated kernel to reproduce it.

** Affects: ubuntu-image
     Importance: Undecided
         Status: New

** Attachment added: "test-image.yaml"
   https://bugs.launchpad.net/bugs/2093005/+attachment/5849444/+files/test-image.yaml

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https://bugs.launchpad.net/bugs/2093005

Title:
  No warning on kernel version mismatch

Status in Ubuntu Image:
  New

Bug description:
  When running ubuntu-image on a host with a different kernel version
  than the image being built, a warning or even error should be emitted,
  as this can cause incompatibilities in the chroot environment.

  I encountered this issue when using the ship-live seed, which contains
  Nvidia driver packages. ubuntu-image will fail during the
  configuration of the driver packages, as depmod in the chroot
  environment looks under /lib/modules/<host kernel version> instead of
  /lib/modules/<image kernel version>.

  You can run the attached classic image definition on a system with an
  outdated kernel to reproduce it.

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