[SLOF] [PATCH 07/16] Perform some initial measurements
Nikunj A Dadhania
nikunj at linux.vnet.ibm.com
Mon Nov 16 19:35:58 AEDT 2015
Stefan Berger <stefanb at linux.vnet.ibm.com> writes:
> On 11/13/2015 12:20 AM, Nikunj A Dadhania wrote:
>> Stefan Berger <stefanb at linux.vnet.ibm.com> writes:
>>> On 11/12/2015 12:10 AM, Nikunj A Dadhania wrote:
>>> vTPM will enable trusted boot, not secure boot. We will deactivate the
>>> TPM in case an error occurred, which should not be happening under
>>> normal circumstances.
>> Ok, what is user expected to do when this fails ?
> Temporary deactivation (TPM_SetTempDeactivated) of the TPM will be done
> in the error path of functions that should never fail. The error code
> will come up in Forth code mostly to be able to display an error
During the VNC session, the bootup is very fast and the user would miss
the error message if the boot proceeded after the message.
> If this happens this would indicate that something is wrong
> with the TPM itself and the user could either try to reboot the VM or
> define a new VM to see whether the error occurs there as well and if
> nothing else works file a bug report...
I think we need to stop VM booting at SLOF prompt and indicate this
error. Give an option to user to proceed booting or abort ?
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