> IIRC the QEMU ACPI linker/loader exposes a TPM2 ACPI table as well;
> maybe that conflicts with the edk2 TPM2 machinery built into OVMF,
> somehow. An OVMF log (enabling DEBUG_VERBOSE) might help. Running
> acpidump + iasl in the guest might help as well (for determining some
> inconsistency).
I've rebuild OVMF with '-D DEBUG_VERBOSE' and without '-b RELEASE'.
I've attached the generated logs and acpidump output.

It seems that for the kernel the eventlog is there with the correct 
header to not try to parse the efi log, but the log provided via ACPI 
has no entries.

Thore