** Description changed:

+ [ Impact ]
+ 
  I noticed on a system running linux-firmware
  20240318.git3b128b60-0ubuntu2.14 amdtee is working properly:
  
  ------------
  $ dpkg -l | grep linux-firmware
  
  ii  linux-firmware
  20240318.git3b128b60-0ubuntu2.14         amd64        Firmware for Linux
  kernel drivers
  
  $ dpkg -L linux-firmware| grep tee
  
  /lib/firmware/amdtee
  /lib/firmware/amdtee/773bd96f-b83f-4d52-b12dc529b13d8543.bin.zst
  /lib/firmware/amdtee/amd_pmf_v3.bin.zst
  ------------
  
  However since upgrading past that the amdtee firmware has disappeared.
  This breaks amd-pmf.
  
  ------------
  $ dpkg -l | grep linux-firmware
  ii  linux-firmware                                
20240318.git3b128b60-0ubuntu2.19         amd64        Firmware for Linux kernel 
drivers
  
  $ dpkg -L linux-firmware | grep tee
  $
  ------------
  
  Looking for related bugs I found
  https://bugs.launchpad.net/ubuntu/+source/amd64-microcode/+bug/2112488.
  
  So I looked and I don't see anything in amd64-microcode either.
  
  ------------
  $ dpkg -l | grep amd64-microcode
  ii  amd64-microcode                               3.20250311.1ubuntu0.24.04.1 
             amd64        Processor microcode firmware for AMD CPUs
  $ dpkg -L amd64-microcode | grep tee
  $
  ------------
  
  So I guess this has regressed since 20240318.git3b128b60-0ubuntu2.15.
+ 
+ [ Fix ]
+ 
+ Revert https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-
+ firmware/commit/?h=noble&id=ecdca53e176cb091aa9cdcd1c96a79325d872858
+ 
+ [ Test Plan ]
+ 
+ $ dpkg -L linux-firmware | grep amdtee
+ 
+ /lib/firmware/amdtee
+ /lib/firmware/amdtee/773bd96f-b83f-4d52-b12dc529b13d8543.bin.zst
+ /lib/firmware/amdtee/amd_pmf_v3.bin.zst
+ 
+ [ Where Problems Could Occur ]

** Description changed:

  [ Impact ]
  
  I noticed on a system running linux-firmware
  20240318.git3b128b60-0ubuntu2.14 amdtee is working properly:
  
  ------------
  $ dpkg -l | grep linux-firmware
  
  ii  linux-firmware
  20240318.git3b128b60-0ubuntu2.14         amd64        Firmware for Linux
  kernel drivers
  
  $ dpkg -L linux-firmware| grep tee
  
  /lib/firmware/amdtee
  /lib/firmware/amdtee/773bd96f-b83f-4d52-b12dc529b13d8543.bin.zst
  /lib/firmware/amdtee/amd_pmf_v3.bin.zst
  ------------
  
  However since upgrading past that the amdtee firmware has disappeared.
  This breaks amd-pmf.
  
  ------------
  $ dpkg -l | grep linux-firmware
  ii  linux-firmware                                
20240318.git3b128b60-0ubuntu2.19         amd64        Firmware for Linux kernel 
drivers
  
  $ dpkg -L linux-firmware | grep tee
  $
  ------------
  
  Looking for related bugs I found
  https://bugs.launchpad.net/ubuntu/+source/amd64-microcode/+bug/2112488.
  
  So I looked and I don't see anything in amd64-microcode either.
  
  ------------
  $ dpkg -l | grep amd64-microcode
  ii  amd64-microcode                               3.20250311.1ubuntu0.24.04.1 
             amd64        Processor microcode firmware for AMD CPUs
  $ dpkg -L amd64-microcode | grep tee
  $
  ------------
  
  So I guess this has regressed since 20240318.git3b128b60-0ubuntu2.15.
  
  [ Fix ]
  
  Revert https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-
  firmware/commit/?h=noble&id=ecdca53e176cb091aa9cdcd1c96a79325d872858
  
  [ Test Plan ]
  
  $ dpkg -L linux-firmware | grep amdtee
- 
  /lib/firmware/amdtee
  /lib/firmware/amdtee/773bd96f-b83f-4d52-b12dc529b13d8543.bin.zst
  /lib/firmware/amdtee/amd_pmf_v3.bin.zst
  
  [ Where Problems Could Occur ]
+ 
+ Potential boot problems with AMD machines.

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https://bugs.launchpad.net/bugs/2129976

Title:
  amdtee firmware disappeared in noble

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