Re: TPM selftest failure in 4.15

Jarkko Sakkinen
2018-02-15T12:00:43Z

On Fri, Feb 09, 2018 at 04:00:44PM +0530, Nayna Jain wrote:
> IIUC, I see the duration and timeout specified in
> TCG_PC_Client_Platform_TPM_Profile_PTP_Specification_Family_2.0_Revision:
> Section 5.5.1.3 Command Timing: Table 15
>
> For selftest it is given as:
>
> Command | Duration[ms] |
> Timeout[ms]
>
> TPM2_SelfTest(fullTest=YES) 1000 2000
> TPM2_SelfTest(fullTest=NO) 20 750
>
> With that I think, TPM is expected to complete the selftest in max 2000 ms.

Thanks. So it looks that some TPMs are not spec compliant.

> Thanks & Regards,
> - Nayna

/Jarkko