[Bug 2129976] Re: amdtee firmware disappeared in noble

[Mario Limonciello]

Confirmed new binary is there with linux-firmware
20240318.git3b128b60-0ubuntu2.20

$ dpkg -S /lib/firmware/amdtee/*.zst
linux-firmware: /lib/firmware/amdtee/773bd96f-b83f-4d52-b12dc529b13d8543.bin.zst
linux-firmware: /lib/firmware/amdtee/amd_pmf_v3_1.bin.zst
linux-firmware: /lib/firmware/amdtee/amd_pmf_v3.bin.zst
linux-firmware: /lib/firmware/amdtee/f29bb3d9-bd66-5441-afb88acc2b2b60d6.bin.zst


** Tags added: verification-done verification-done-noble

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

Title:
  amdtee firmware disappeared in noble

Status in amd64-microcode package in Ubuntu:
  Invalid
Status in linux-firmware package in Ubuntu:
  Fix Released
Status in amd64-microcode source package in Noble:
  Invalid
Status in linux-firmware source package in Noble:
  Fix Committed

Bug description:
  [ 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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