On Tue, Oct 17, 2017 at 10:00:15AM +0200, Thiebaud Weksteen wrote: > This patch was mainly developed and tested on Kabylake with PTT as well. > > It could be a few things. Are you booting with the EFI stub? Is the > TPM enabled within the BIOS? Does tpm_tis get loaded? Does it produce > any log? Nope, and it should not get loaded anyway as I'm using PTT. With PTT you use tpm_crb. TPM is working just fine. > If the logs are recovered (but not parsed), you should already see an > entry in the logs like: > > efi: SMBIOS=0x7fed6000 ACPI=0x7ff00000 TPMEventLog=0x..... > > Can you see the TPMEventLog part? I can check this when I'm back in Finland. Still in Prague. Tried to test this with my work laptop (XPS13 with dTPM) now but the USB stick I have with seems to be broken :-( This is anyway almost guaranteed to go to 4.16 and I don't want to push this to 4.15 so there is no rush right now (already sent my PR). > The issue with extra logging is that the log recovery happens within > the EFI stub phase where limited logging is available (which I think > has been limited to error and fatal message only). > For now, it cannot be a version mismatch as the stub will only request > the version 1.2 format. Right, I see. /Jarkko
