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

["Jarkko Sakkinen" <jarkko@kernel.org>]

On Wed Nov 13, 2024 at 8:49 PM EET, Jarkko Sakkinen wrote:
> On Wed Nov 13, 2024 at 4:44 PM EET, Christoph Anton Mitterer wrote:
> > Hey.
> >
> > Forwarding myself from:
> > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1087331
> >
> > Since 6.11.7 (might have also happened with .6, which I've skipped, but
> > wasn't the case at least in 6.11.5).
> >
> > I get:
> > Nov 11 17:50:20 heisenberg kernel: tpm tpm0: A TPM error (2306) occurred attempting to create NULL primary
>
> Yep, I found the reason. My fix causes this. I sent a fix.
>
> 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).
>
> That can be worked around e.g. with kernel command-line flag that
> would disable TPM bus encryption but it is out-of-scope as far as
> I'm concerned.
>
> Please test my fix and I can take it to PR.

https://lore.kernel.org/linux-integrity/20241113184449.477731-1-jarkko@kernel.org/T/#u

BR, Jarkko