[Bug 2141556] Re: not able to instal HWE Noble 24.04.4 via Virtual Media on Power nodes

[Frank Heimes]

** Also affects: grub2 (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: ubuntu-power-systems
     Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)

** Changed in: ubuntu-power-systems
   Importance: Undecided => High

** Changed in: grub2 (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/2141556

Title:
  not able to instal HWE Noble 24.04.4 via Virtual Media on Power nodes

Status in The Ubuntu-power-systems project:
  New
Status in grub2 package in Ubuntu:
  New

Bug description:
  it is not loading HWE kernel when selecting to install ` | Ubuntu Server with the HWE kernel                                          |
  `
  it shows this error 

  ```
   F stdout device is: /vdevice/vty at 30000000
  Preparing to boot Linux version 6.8.0-100-generic (buildd at bos03-ppc64el-046) (powerpc64le-linux-gnu-gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0, GNU ld (GNU Binutils for Ubuntu) 2.42) #100-Ubuntu SMP Tue Jan 13 16:51:53 UTC 2026 (Ubuntu 6.8.0-100.100-generic 6.8.12)
  Detected machine type: 0000000000000101
  command line: BOOT_IMAGE=/casper/vmlinux quiet ---
  Max number of cores passed to firmware: 256 (NR_CPUS = 2048)
  Calling ibm,client-architecture-support...-
  Elapsed time since release of system processors: 624519 mins 48 secs
  Welcome to GRUB!

  error: unrecognized number.
  ```

  then it reloads   grub `GNU GRUB  version 2.12` menu 
  ---------------------------------------------------------------------------+
   | Try or Install Ubuntu Server                                               | 
   |*Ubuntu Server with the HWE kernel                                          |
   |  

  
  tried on two different 
  PowerVM systems: P9 and P10 - same is happening

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