[Bug 1854347] Re: Boot hang on Pi3B+ arm64 images with the latest boot.scr

[Łukasz Zemczak]

Hello Łukasz, or anyone else affected,

Accepted flash-kernel into eoan-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/flash-
kernel/3.98ubuntu5.2 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-eoan to verification-done-eoan. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-eoan. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: flash-kernel (Ubuntu Eoan)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-eoan

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https://bugs.launchpad.net/bugs/1854347

Title:
  Boot hang on Pi3B+ arm64 images with the latest boot.scr

Status in flash-kernel package in Ubuntu:
  Invalid
Status in flash-kernel source package in Eoan:
  Fix Committed

Bug description:
  [Impact]

  We still don't know exactly what causes the boot hang to happen on
  this device, but latest eoan arm64 test images hang on the Pi3B+ when
  a regular USB keyboard is attached. As we're continuing to find the
  root cause, for now we decided that we'll be reverting the boot.scr
  changes to not block further work.

  The bug itself might be related to how ubuntu-image populates the boot
  partition. Still, the boot.scr changes were not needed in eoan, so
  it's safe to revert anyway.

  [Test Case]

  Build a test raspi3 image (armhf, arm64), flash various Pi devices and
  make sure they still boot. This change will be extensively tested by
  certification as well.

  [Regression Potential]

  As with any bootscript change, there might be subtle regressions
  regarding boot-ability in various edge scenarios. We will be
  performing extensive testing to make sure it does not regress. Also,
  this boot.scr that we're reverting to was already in use on the eoan
  original images, so it got a lot of testing on its own.

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