Expected output when trying to run the upgrade:

Reading cache

Checking package manager
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Hit http://ppa.launchpadcontent.net/ubuntu-tegra/updates/ubuntu jammy InRelease 
                                                                                
                                                                                
                                          
Hit http://ports.ubuntu.com/ubuntu-ports jammy InRelease                        
                                                                                
                                                                                
                                          
Hit https://ppa.launchpadcontent.net/fex-emu/fex/ubuntu jammy InRelease         
                                                                                
                                                                                
                                          
Get:1 https://repo.download.nvidia.com/jetson/t234 r36.4 InRelease [2553 B]     
                                                                                
                                                                                
                                          
Hit https://ppa.launchpadcontent.net/snappy-dev/image/ubuntu jammy InRelease    
                                                                                
                                                                                
                                          
Get:2 https://nvidia.github.io/libnvidia-container/stable/deb/arm64  InRelease 
[1477 B]                                                                        
                                                                                
                                           
Get:3 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease [128 kB]     
                                                                                
                                                                                
                                          
Get:4 https://repo.download.nvidia.com/jetson/common r36.4 InRelease [2572 B]   
                                                                                
                                                                                
                                          
Hit https://ppa.launchpadcontent.net/ubuntu-tegra/kernel-daily/ubuntu jammy 
InRelease                                                                       
                                                                                
                                              
Hit https://ppa.launchpadcontent.net/ubuntu-tegra/proposed/ubuntu jammy 
InRelease                                                                       
                                                                                
                                                  
Hit http://ddebs.ubuntu.com jammy InRelease                                     
                                                                                
                                                                                
                                          
Get:5 http://ddebs.ubuntu.com jammy-updates InRelease [41.3 kB]                 
                                                                                
                                                                                
                                          
Get:6 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease [127 kB]   
                                                                                
                                                                                
                                          
Get:7 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease [129 kB]    
                                                                                
                                                                                
                                          
Hit http://ddebs.ubuntu.com jammy-proposed InRelease                            
                                                                                
                                                                                
                                          
Get:8 https://repo.download.nvidia.com/jetson/common r36.4/main arm64 Packages 
[34.3 kB]                                                                       
                                                                                
                                           
Get:9 http://ports.ubuntu.com/ubuntu-ports jammy-updates arm64 Contents (deb) 
[331 MB]                                                                        
                                                                                
                                            
Get:10 http://ddebs.ubuntu.com jammy-updates/main arm64 Packages [304 kB]       
                                                                                
                                                                                
                                          
Get:11 http://ddebs.ubuntu.com jammy-updates/universe arm64 Packages [395 kB]   
                                                                                
                                                                                
                                          
Get:12 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main arm64 c-n-f 
Metadata [18.8 kB]                                                              
                                                                                
                                               
Get:13 http://ports.ubuntu.com/ubuntu-ports jammy-updates/restricted arm64 
Packages [5371 kB]                                                              
                                                                                
                                               
Get:14 http://ports.ubuntu.com/ubuntu-ports jammy-updates/restricted arm64 
c-n-f Metadata [528 B]                                                          
                                                                                
                                               
Get:15 http://ports.ubuntu.com/ubuntu-ports jammy-updates/universe arm64 c-n-f 
Metadata [27.2 kB]                                                              
                                                                                
                                           
Get:16 http://ports.ubuntu.com/ubuntu-ports jammy-security arm64 Contents (deb) 
[323 MB]                                                                        
                                                                                
                                          
Get:17 http://ports.ubuntu.com/ubuntu-ports jammy-security/restricted arm64 
Packages [5203 kB]                                                              
                                                                                
                                              
Get:18 http://ports.ubuntu.com/ubuntu-ports jammy-security/restricted arm64 
c-n-f Metadata [528 B]                                                          
                                                                                
                                              
Fetched 666 MB in 6s (0 B/s)                                                    
                                                                                
                                                                                
                                          
Reading package lists... Done    
Building dependency tree... Done 
Reading state information... Done

Upgrade on Tegra Orin is not possible currently

NVIDIA does not provide support for running a distribution other than 
Jammy on Tegra Orin yet. 

Upgrading to another version of Ubuntu with a different kernel may 
end up in a non-booting state or with limited hardware support, until 
NVIDIA offers support for these newer kernels on Orin-class hardware. 


Restoring original system state

Aborting
Reading package lists... Done    
Building dependency tree... Done 
Reading state information... Done


** Description changed:

  [ Impact ]
  
   * The currently released jammy image can not be upgraded to noble
     until nvidia provides support. Doing so will end up with a broken
     system and thus should be prevented.
  
   * In order to prevent this, block the upgrade from jammy on the
     impacted systems in ubuntu update-manager
  
  [ Test Plan ]
  
   * install jammy on a Jetson Orin system
  
   * launch do-release-upgrade: it should not list noble as a proposed
- upgrade
+ upgrade (see real output in the comment down below)
  
  [ Where problems could occur ]
  
   * The blocking could affect other systems if the blocking is poorly
  implemented.
  
   * The blocking need to be disabled in a future update once upgrading is 
allowed,
     it thus must not prevent update-manager from being upgraded.
  
  [ Other Info ]
  
   * The do-release-upgrade system downloads the latest upgrader from Noble, so
  implementing a blocking on Jammy requires doing the change in Noble.

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2143334

Title:
  [SRU] Block do-release-upgrade from Tegra Orin

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