[Bug 1990294] Re: Ampere AltraMax sometimes hangs after "EFI stub: Exiting boot services..."

[Ike Panhc]

Tried to reproduce this issue on Ampere Altra SoC (not AltraMax) with
focal grub and 5.15.0-43-generic kernel but can not reproduce. It reboot
222 times successfully.

I will try to reproduce on an altramax machine.

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https://bugs.launchpad.net/bugs/1990294

Title:
  Ampere AltraMax sometimes hangs after "EFI stub: Exiting boot
  services..."

Status in grub2 package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When kernel test rebooted onto the 5.15.0-43-generic HWE kernel, no
  output appeared on the console after the EFI stub:

  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint A0
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint 92
  Checkpoint AD
  EFI stub: Booting Linux Kernel...
  EFI stub: ERROR: FIRMWARE BUG: kernel image not aligned on 64k boundary
  EFI stub: Using DTB from configuration table
  EFI stub: Exiting boot services...

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