-----Original Message-----
From: Arkadiusz Miśkiewicz [mailto:a.miskiewicz@gmail.com]
>> I guess the BIOS seems not to be initializing the TPM correctly. Any
>> chance you can get a hold of a BIOS update for your machine?

> Then I looked into bios options on this thinkpad t400 and there are 3 possible
> TPM settings: Enabled, Invisible, Disabled.

> Invisible is - visible but not working - according to bios help. No idea why
> such option exists but I had it enabled.

> I guess there is some way to make "Invisible" mode properly handled in Linux,
> too.

Invisible here probably means that the bios simply does not send a TPM_Startup which is needed to get the TPM running.
(and maybe it even let's physical presence untouched too).
If the driver would send a TPM_Startup(STATE) (which usually should not cause any problems, since if you send it twice the second one simply gets 'ignored' with a "invalid postinit" return code)
the tpm would probably work in the invisible case too.


Thanks,
Peter



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