Re: TPM/EFI issue [Was: Linux 6.12]

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On Sat Dec 7, 2024 at 2:16 PM EET, Jarkko Sakkinen wrote:
> On Mon Dec 2, 2024 at 9:52 AM EET, Jiri Slaby wrote:
> > On 30. 11. 24, 3:49, Jarkko Sakkinen wrote:
> > > On Wed Nov 27, 2024 at 8:46 AM EET, Jiri Slaby wrote:
> > >> Cc TPM + EFI guys.
> > >>
> > >> On 17. 11. 24, 23:26, Linus Torvalds wrote:
> > >>> But before the merge window opens, please give this a quick test to
> > >>> make sure we didn't mess anything up. The shortlog below gives you the
> > >>> summary for the last week, and nothing really jumps out at me. A
> > >>> number of last-minute reverts, and some random fairly small fixes
> > >>> fairly spread out in the tree.
> > >>
> > >> Hi,
> > >>
> > >> there is a subtle bug in 6.12 wrt TPM (in TPM, EFI, or perhaps in
> > >> something else):
> > >> https://bugzilla.suse.com/show_bug.cgi?id=1233752
> > >>
> > >> Our testing (openQA) fails with 6.12:
> > >> https://openqa.opensuse.org/tests/4657304#step/trup_smoke/26
> > >>
> > >> The last good is with 6.11.7:
> > >> https://openqa.opensuse.org/tests/4648526
> > >>
> > >> In sum:
> > >> TPM is supposed to provide a key for decrypting the root partitition,
> > >> but fails for some reason.
> > >>
> > >> It's extremely hard (so far) to reproduce outside of openQA (esp. when
> > >> trying custom kernels).
> >
> > Mark "X".
> >
> > >> Most of the 6.12 TPM stuff already ended in (good) 6.11.7. I tried to
> > >> revert:
> > >>     423893fcbe7e tpm: Disable TPM on tpm2_create_primary() failure
> > >> from 6.12 but that still fails.
> > >>
> > >> We are debugging this further, this is just so you know.
> > >>
> > >> Or maybe you have some immediate ideas?
> > > 
> > > Nothing immediate but I've had to tweak quite a lot of TPM bus
> > > integrity protection feature so it is a possibility that I've
> > > made a mistake in a point or another.
> > > 
> > > Can you bisect the issue possibly?
> >
> > No, see mark "X" :).
> >
> > But follow the downstream bug for progress:
> > https://bugzilla.suse.com/show_bug.cgi?id=1233752
>
> Just came back from company retrite from BCN.
>
> I can follow this but cannot comment because I've never been
> able to get a bugzilla account working for any of SUSE infra
> :-)
>
> I was actually surprised that I'm able to view the bug at
> all... Bookmarked it and this thread from lore and revisit
> like in the middle of the week (my calendar is filled with
> meetings Mon/Tue).

Hmm... OK, so no action from my side I guess (sorry if I ignored
something did not read every single comment)?

BR, Jarkko





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