[Bug 2129976] [NEW] amdtee firmware disappeared in noble

Mario Limonciello 2129976 at bugs.launchpad.net
Mon Oct 27 20:13:53 UTC 2025


Public bug reported:

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.

** Affects: amd64-microcode (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-firmware (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: amd64-microcode (Ubuntu Noble)
     Importance: Undecided
         Status: New

** Affects: linux-firmware (Ubuntu Noble)
     Importance: Undecided
         Status: New


** Tags: regression-update

** Also affects: amd64-microcode (Ubuntu)
   Importance: Undecided
       Status: New

** Tags added: regression-update

** Also affects: linux-firmware (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: amd64-microcode (Ubuntu Noble)
   Importance: Undecided
       Status: New

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

Title:
  amdtee firmware disappeared in noble

Status in amd64-microcode package in Ubuntu:
  New
Status in linux-firmware package in Ubuntu:
  New
Status in amd64-microcode source package in Noble:
  New
Status in linux-firmware source package in Noble:
  New

Bug description:
  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.

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