[Bug 2008244] Re: Pressing a key does not interrupt the boot sequence after rainbow" splash screen

[Dave Jones]

I'm afraid this is another of the "confusing" tests. This one only
applies to those Ubuntu images that use u-boot on the Pi, which is all
images from focal and before. From groovy onwards we stripped out u-boot
and use the pi's bootloader only (which cannot be interrupted in this
fashion). Unfortunately the test case generator doesn't know anything
about release-specific output, so this case appears in all generated
tests whether for focal or jammy but it should be ignored when dealing
with jammy.

I'll try and find a way to fix this ... when I understand how
https://git.launchpad.net/ubuntu-manual-tests?h=main maps to the ISO
tracker website!

** Changed in: syslinux (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/2008244

Title:
  Pressing a key does not interrupt the boot sequence after rainbow"
  splash screen

Status in syslinux package in Ubuntu:
  Invalid

Bug description:
  
  I tested the following image on the Raspberry Pi 3B+:
  http://cdimage.ubuntu.com/ubuntu-server/jammy/daily-preinstalled/20230217.1/jammy-preinstalled-server-arm64+raspi.img.xz

  Testcase (https://iso.qa.ubuntu.com/qatracker/milestones/442/builds/271829/testcases/1721/results):
  1. Immediately after the "rainbow" splash screen, U-Boot starts. Press a key
  to interrupt the sequence, then type "boot" to continue it.
      Check that the U-Boot prompt (including a two-second wait) appears on
      the primary monitor connected to the Pi, that the keyboard will interrupt
      the sequence, and that boot successfully concludes after resumption.
  2. During the boot sequence, U-Boot starts interacting via serial (GPIO14
  and GPIO15, pins 8 and 10 respectively, on the 40-pin GPIO header). Press
  a key to interrupt the sequence, then type "boot" to continue it.
      Check that the U-Boot prompt (including a two-second wait) appears on
      the attached serial console, that the keyboard will interrupt
      the sequence, and that boot successfully concludes after resumption.

  The boot sequence waited for 2 seconds, but was not interrupted by any
  keypress on the keyboard. I tested this multiple times.

  I attached the serial output of the boot sequence.

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