[Bug 2067080] [NEW] [SRU] Please bump firmware revision to 8 from jammy

[Dave Jones]

Public bug reported:

[ Impact ]

The rev 1.4 variant of the 3B+ requires an updated boot firmware,
specifically one at least as recent as that in jammy-updates (version
8). This should be back-ported to focal, and preferably bionic to
provide support for Core 18 booting on these devices.

[ Test Plan ]

As a closed boot firmware this will need validation on all supported
Pis. For bionic, this is the 2B, 3B, 3A+, and 3B+. For focal, this is
the 2B, 3B, 3A+, 3B+, and 4B. Because the package includes wifi and
bluetooth firmware as well as boot firmware, the following should be
verified:

* Ability to boot successfully
* Ability to reboot successfully
* Ability to shutdown successfully
* That wifi can connect successfully on relevant models (all except the 2B)
* That bluetooth can pair successfully on relevant models (all except the 2B)

[ Regression Potential ]

Fairly low; the firmware in question has been in use on all relevant
models in jammy for quite some time, so the regression potential for the
operation of the firmware itself is low. That said, the wifi and
bluetooth firmware still interacts with the kernel, and bionic and focal
have different kernel versions to jammy, hence why the operation of
these components will still need (re-)verification.

If issues arise they are most likely to come from the fact that linux-
firmware-raspi2 was renamed to linux-firmware-raspi in jammy which
affected the diversions in the package. This means the backport isn't
*entirely* straight-forward and care must be taken to ensure that all
relevant files end up in their correct locations with the correct
diversions.

** Affects: linux-firmware-raspi2 (Ubuntu)
     Importance: Undecided
     Assignee: Dave Jones (waveform)
         Status: New

** Affects: linux-firmware-raspi2 (Ubuntu Bionic)
     Importance: Undecided
         Status: New

** Affects: linux-firmware-raspi2 (Ubuntu Focal)
     Importance: Undecided
         Status: New

** Changed in: linux-firmware-raspi2 (Ubuntu)
     Assignee: (unassigned) => Dave Jones (waveform)

** Also affects: linux-firmware-raspi2 (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux-firmware-raspi2 (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Summary changed:

- Please bump firmware revision to 8 from jammy
+ [SRU] Please bump firmware revision to 8 from jammy

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https://bugs.launchpad.net/bugs/2067080

Title:
  [SRU] Please bump firmware revision to 8 from jammy

Status in linux-firmware-raspi2 package in Ubuntu:
  New
Status in linux-firmware-raspi2 source package in Bionic:
  New
Status in linux-firmware-raspi2 source package in Focal:
  New

Bug description:
  [ Impact ]

  The rev 1.4 variant of the 3B+ requires an updated boot firmware,
  specifically one at least as recent as that in jammy-updates (version
  8). This should be back-ported to focal, and preferably bionic to
  provide support for Core 18 booting on these devices.

  [ Test Plan ]

  As a closed boot firmware this will need validation on all supported
  Pis. For bionic, this is the 2B, 3B, 3A+, and 3B+. For focal, this is
  the 2B, 3B, 3A+, 3B+, and 4B. Because the package includes wifi and
  bluetooth firmware as well as boot firmware, the following should be
  verified:

  * Ability to boot successfully
  * Ability to reboot successfully
  * Ability to shutdown successfully
  * That wifi can connect successfully on relevant models (all except the 2B)
  * That bluetooth can pair successfully on relevant models (all except the 2B)

  [ Regression Potential ]

  Fairly low; the firmware in question has been in use on all relevant
  models in jammy for quite some time, so the regression potential for
  the operation of the firmware itself is low. That said, the wifi and
  bluetooth firmware still interacts with the kernel, and bionic and
  focal have different kernel versions to jammy, hence why the operation
  of these components will still need (re-)verification.

  If issues arise they are most likely to come from the fact that linux-
  firmware-raspi2 was renamed to linux-firmware-raspi in jammy which
  affected the diversions in the package. This means the backport isn't
  *entirely* straight-forward and care must be taken to ensure that all
  relevant files end up in their correct locations with the correct
  diversions.

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