[Bug 2049373] [NEW] Jammy raspi daily-preinstalled builds failing to build due to gadget changes

[Łukasz Zemczak]

Public bug reported:

[Impact]

We did not have new preinstalled raspi jammy images since many months, mostly due to the `classic` branch of the pi gadget changing to the new ubuntu-image 3.x features. This is a critical bug.
The proposed, safest way forward is to create a reverted, ubuntu-image 2.x targeted gadget branch and make sure that livecd-rootfs uses that one instead.

[Test Case]

TBD

[Regression Potential]

There should be none per-se, as currently no raspi builds are succeeding. That being said, the images need to be checked if no essential gadget changes have been missed, seeing if the resulting new raspi jammy images work as intended.
At the same time, there is small risk that other, non-raspi images will suddenly fail to build.

** Affects: livecd-rootfs (Ubuntu)
     Importance: Critical
     Assignee: Łukasz Zemczak (sil2100)
         Status: Invalid

** Affects: livecd-rootfs (Ubuntu Jammy)
     Importance: Critical
     Assignee: Łukasz Zemczak (sil2100)
         Status: In Progress

** Also affects: livecd-rootfs (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Changed in: livecd-rootfs (Ubuntu)
       Status: Triaged => Invalid

** Changed in: livecd-rootfs (Ubuntu Jammy)
       Status: New => In Progress

** Changed in: livecd-rootfs (Ubuntu Jammy)
     Assignee: (unassigned) => Łukasz Zemczak (sil2100)

** Changed in: livecd-rootfs (Ubuntu Jammy)
   Importance: Undecided => Critical

** Changed in: livecd-rootfs (Ubuntu Jammy)
    Milestone: None => ubuntu-22.04.4

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https://bugs.launchpad.net/bugs/2049373

Title:
  Jammy raspi daily-preinstalled builds failing to build due to gadget
  changes

Status in livecd-rootfs package in Ubuntu:
  Invalid
Status in livecd-rootfs source package in Jammy:
  In Progress

Bug description:
  [Impact]

  We did not have new preinstalled raspi jammy images since many months, mostly due to the `classic` branch of the pi gadget changing to the new ubuntu-image 3.x features. This is a critical bug.
  The proposed, safest way forward is to create a reverted, ubuntu-image 2.x targeted gadget branch and make sure that livecd-rootfs uses that one instead.

  [Test Case]

  TBD

  [Regression Potential]

  There should be none per-se, as currently no raspi builds are succeeding. That being said, the images need to be checked if no essential gadget changes have been missed, seeing if the resulting new raspi jammy images work as intended.
  At the same time, there is small risk that other, non-raspi images will suddenly fail to build.

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