David, Sorry, I misread your email thinking that it was for a real HW
TPM..
On Thu, Mar 26, 2015 at 11:31 AM, David Li <[email protected]> wrote:
> Hi Vicky,
>
> Do you mean that the machine I am running this test needs to have
> virtualization enabled?
>
> And I am not sure I understand why virtualization is needed for SW TPM to
> work.
>
> David
>
>
> On Wed, Mar 25, 2015 at 6:19 PM, Hon Ching Lo <[email protected]>
> wrote:
> > Hi,
> >
> > You need to make sure that you enable virtualization in the BIOS.
> Depending
> > on your hardware, you
> > may have to tweak a couple times to make it work.
> >
> >
> > Vicky
> >
> > On Wed, Mar 25, 2015 at 7:58 PM, David Li <[email protected]> wrote:
> >>
> >> Hi,
> >>
> >> I see this problem was discussed before for a real HW TPM.
> >> I am running SW TPM and TSS stack on top of it. Now I am trying to
> >> take ownership, after clearing it,
> >>
> >> tpm_clear -f
> >> Tspi_TPM_ClearOwner failed: 0x00000007 - layer=tpm, code=0007 (7), TPM
> >> is disabled
> >>
> >> $ tpm_takeownership -zy
> >> Tspi_TPM_TakeOwnership failed: 0x00000007 - layer=tpm, code=0007 (7),
> >> TPM is disabled
> >>
> >> I use getcapability tool to dump the following:
> >>
> >> $ ./getcapability -cap 4 -scap 0108
> >> Result for capability 0x4, subcapability 0x108 is :
> >> Permanent flags:
> >> Disabled: TRUE
> >> Ownership: TRUE
> >> Deactivated: TRUE
> >> Read Pubek: TRUE
> >> Disable Owner Clear: FALSE
> >> Allow Maintenance: TRUE
> >> Physical Presence Lifetime Lock: FALSE
> >> Physical Presence HW Enable: FALSE
> >> Physical Presence CMD Enable: TRUE
> >> CEKPUsed: TRUE
> >> TPMpost: FALSE
> >> TPMpost Lock: FALSE
> >> FIPS: FALSE
> >> Operator: FALSE
> >> Enable Revoke EK: FALSE
> >> NV Locked: TRUE
> >> Read SRK pub: FALSE
> >> TPM established: FALSE
> >> Maintenance done: FALSE
> >> Disable full DA logic info: FALSE
> >>
> >> Any suggestions what command I need to run next to solve this problem?
> >>
> >> Thanks.
> >>
> >>
> >>
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