[Bug 2129976] Please test proposed package

[Timo Aaltonen]

Hello Mario, or anyone else affected,

Accepted linux-firmware into noble-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/linux-
firmware/20240318.git3b128b60-0ubuntu2.20 in a few hours, and then in
the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
noble to verification-done-noble. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-noble. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

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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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