canonical-ubuntu-qa team mailing list archive

[Po-Hsu Lin <2055342@xxxxxxxxxxxxxxxxxx>]

This is still affecting T2A on Noble.

Loading Linux 6.8.0-48-generic-64k ...
Loading initial ramdisk ...
EFI stub: Booting Linux Kernel...
EFI stub: ERROR: This 64 KB granular kernel is not supported by your CPU
Application failed, r = 3
error: image not loaded.

  Failed to boot both default and fallback entries.

** Tags added: jammy noble

** Tags added: 5.15 6.8

** Tags added: 64k arm64

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https://bugs.launchpad.net/bugs/2055342

Title:
  Google cloud t2a VMs are unable to boot arm64 generic-64k kernels

Status in ubuntu-kernel-tests:
  New

Bug description:
  This is not necessarily a bug, just an unsupported configuration.
  Attempts to install and boot a generic-64k kernel on t2a instances
  result in a failure. The collected console log states:

  UEFI: Attempting to start image.
  Description: ubuntu
  FilePath: HD(15,GPT,D50A4893-6539-4486-920D-921ED26E81CB,0x800,0x31801)/\EFI\ubuntu\shimaa64.efi
  OptionNumber: 2.

  Loading Linux 5.15.0-100-generic-64k ...

  Loading initial ramdisk ...

  EFI stub: ERROR: This 64 KB granular kernel is not supported by your CPU
  Application failed, r = 3

  
    Failed to boot both default and fallback entries.

  
  Press any key to continue...

  
  The VM hangs at this point. This latest experiment was done with a jammy image using jammy/linux version 5.15.0-100.110.

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