Re: regression: kernel log "flooded" with tpm tpm0: A TPM error (2306) occurred attempting to create NULL primary

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On Wed, 2024-11-13 at 20:49 +0200, Jarkko Sakkinen wrote:
> The problem still persists related to TPM bus encryption not working
> with hibernate in 6.11.5 but the message was shown only once in the
> log (and thus you did not notice it).

At least my grep from before wouldn't have shown it even once.



> Please test my fix and I can take it to PR.

I've seen your PR was anyway already applied, so testing still needed?
I'd need to compile the whole Debian kernel which takes quite a while
O:-)


But other than that... and especially as I'm seeing these:
  2024-11-01T15:41:22.428940+01:00 heisenberg kernel: tpm_tis NTC0702:00: Ignoring error -5 while suspending
errors...

... I wondered whether that rings any bells on your side with respect
to: https://bugzilla.kernel.org/show_bug.cgi?id=216998

I short, ever since I got my current laptop, suspend2ram was broken,
that is per default I get:
# cat /sys/power/mem_sleep 
[s2idle] deep

and that "soft" suspend works (but there the CPU, keyboard, touchpad
and stuff is still on, drawing power and even the fan continues
running).

If I overwrite it to deep, I can go into suspend (or at least the
laptop actually does a real suspend2ram, but when I power on (here it
the really requires the power button, no longer only keyboard or
touchpad movement) the system immediately freezes and the screen
doesn't even light up.


Not a show stopper, but still quite annoying. Having looked around for
similar reports for quite a while I indeed found people indicating that
TPM might be the issue, but even with disabling TPM in the BIOS it
still fails.

So after all it might be just some broken Fujitsu firmware... but if
you'd have any idea what I could further try I'd be happy to hear about
it.


Thanks,
Chris.

PS: Thanks as well for the quick fix :-)





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