[Xense-devel] Re: [Xen-users] vtpm_manager can't run twice in a row

[Kouichi Yasaki <yasaki.kouichi@xxxxxxxxxxxxxx>]

I also encountered the same error before. In my case, TCSP_UnBind function
have a bug in parameter check. I have reported a patch that fixed my case
by following URL.

How about this patch?

http://lists.xensource.com/archives/html/xen-devel/2007-09/msg00354.html

Kouichi YASAKI

Luke wrote:
> Luke wrote:
> > I can get vtpm_manager to run if I delete /var/vtpm/VTPM.  However, when
> > I kill it with control-c, and try to run it again, I get:
> >
> > INFO[VTPM]: Starting VTPM.
> > INFO[TCS]: Constructing new TCS:
> > INFO[TCS]: Calling TCS_OpenContext:
> > INFO[VTSP]: OIAP.
> > INFO[VTSP]: Loading Key into TPM.
> > INFO[VTSP]: Unbinding 256 bytes of data.
> > ERROR in VTSP_Unbind at vtsp.c:720 code: TPM_BAD_PARAMETER.
> > ERROR in envelope_decrypt at securestorage.c:156 code: TPM_BAD_PARAMETER.
> > ERROR[VTPM]: Failed to envelope decrypt data
> > .ERROR in VTPM_LoadManagerData at securestorage.c:459 code:
> > TPM_BAD_PARAMETER.
> > ERROR[VTPM]: Failed to load service data with error = TPM_BAD_PARAMETER
> > ERROR[VTPM]: Failed to read existing manager file
> >
> >
> > What's causing this, and how do I fix it?  I need my guest to get the
> > same VTPM every time it starts, so that keys (signing and SRK) persist
> > across instances.
> Just to add a bit of information - this happens after I let
> vtpm_managerd take ownership of the tpm.
>
> Is it just that no one uses this program?  Or is this an error specific
> to me?
>
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> http://lists.xensource.com/xen-users

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