RE: [Xense-devel] Vtpm_manager getting TPM_NOSPACE

["Osborn, Justin D." <Justin.Osborn@xxxxxxxxxx>]

Scratch that, it's a Winbond 1.2.  I know it's formerly National
Semiconductor and I can never keep straight who they turned into.

OZzie

--
Justin D. Osborn
Software Engineer
Information Operations
JHU/APL
 

> -----Original Message-----
> From: xense-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xense-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Osborn, Justin D.
> Sent: Wednesday, December 06, 2006 4:45 PM
> To: Scarlata, Vincent R; xense-devel@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xense-devel] Vtpm_manager getting TPM_NOSPACE
> 
> Yeah, the problem went away after I cleared the TPM.  The TPM 
> is an Infineon 1.2, the box is a Lenovo M52.  It's been 
> running fine for nearly a month now.
> 
> Ozzie
> 
> --
> Justin D. Osborn
> Software Engineer
> Information Operations
> JHU/APL
>  
> 
> > -----Original Message-----
> > From: Scarlata, Vincent R [mailto:vincent.r.scarlata@xxxxxxxxx]
> > Sent: Wednesday, December 06, 2006 4:18 PM
> > To: Osborn, Justin D.; xense-devel@xxxxxxxxxxxxxxxxxxx
> > Cc: Cihula, Joseph
> > Subject: RE: [Xense-devel] Vtpm_manager getting TPM_NOSPACE
> > 
> > Ok, that's very no good. 
> > 
> > The vTPM manager does not have a variable number of TPM keys. 
> > It has exactly 2. One is used for protecting vTPM states 
> and the other 
> > for the vTPM manager info.
> > 
> > When TPM_Startup is triggered by the BIOS (I believe), any 
> keys that 
> > were loaded into the TPM are purged, opening all TPM key 
> slots. Later 
> > when the vTPM manager is run, the manager loads both of 
> these TPM Keys 
> > during it's init phases.
> > 
> > Something is not right about your TPM if it is already out 
> of space by 
> > this point, unless it has a quirk that needs to be dealt with 
> > separately.
> > 
> > What TPM do you have? Maybe we have the same one here that we test 
> > with.
> > Did the problem go away after you reset the TPM?
> > 
> > -Vinnie
> > 
> > -----Original Message-----
> > From: Osborn, Justin D. [mailto:Justin.Osborn@xxxxxxxxxx]
> > Sent: Wednesday, December 06, 2006 10:42 AM
> > To: Scarlata, Vincent R; xense-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: RE: [Xense-devel] Vtpm_manager getting TPM_NOSPACE
> > 
> > Vinnie,
> >      This happened on a fresh boot.  Could it be that 
> vtpm_manager has 
> > too many keys it's trying to load into the TPM?  For instance, over 
> > time more keys got added to the persistent storage file and 
> then today 
> > it couldn't load them all.  Unfortunately I deleted the vtpm data 
> > files after I reset the TPM.
> > 
> > Ozzie
> > 
> > --
> > Justin D. Osborn
> > Software Engineer
> > Information Operations
> > JHU/APL
> >  
> > 
> > > -----Original Message-----
> > > From: Scarlata, Vincent R [mailto:vincent.r.scarlata@xxxxxxxxx]
> > > Sent: Wednesday, December 06, 2006 12:12 PM
> > > To: Osborn, Justin D.; xense-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: RE: [Xense-devel] Vtpm_manager getting TPM_NOSPACE
> > > 
> > > Yes, on a sigkill the manager does clean up after itself. 
> > > When did you get the TPM_NOSPACE error? Were you running
> > the manager
> > > or some other TPM application before running the manager
> > and getting
> > > this error? On every power cycle, the TPM unloads all 
> it's keys and 
> > > authorization sessions automatically.
> > > 
> > > So if you get this error on a fresh boot, the TPM is not properly 
> > > flushing, which is a security issue that they need to fix.
> > If you ran
> > > the vtpm manager, shut it down, and started it again and got this 
> > > problem, then you've found a bug in the manager showing
> > that it's not
> > > cleaning up fully.
> > > If you ran something else and then the manager, then that 
> something 
> > > else isn't properly cleaning up.
> > > 
> > > -Vinnie Scarlata
> > > 
> > > -----Original Message-----
> > > From: xense-devel-bounces@xxxxxxxxxxxxxxxxxxx
> > > [mailto:xense-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf
> > Of Osborn,
> > > Justin D.
> > > Sent: Wednesday, December 06, 2006 6:09 AM
> > > To: xense-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: [Xense-devel] Vtpm_manager getting TPM_NOSPACE
> > > 
> > > Hi all,
> > >      I've been working on a project for a while that uses
> > xen and the
> > > vtpm.  We have a DomU configured to use a vtpm instance.  When I 
> > > brought up the box this morning, vtpm_manager failed to
> > start, giving
> > > me an error that it received TPM_NOSPACE when trying to
> > load a key.  
> > > Is this a bug?
> > > 
> > > I usually shut the machine down with /sbin/halt or
> > /sbin/reboot, which
> > > just kills vtpm_managerd.  I assume vtpm_managerd is
> > supposed to clean
> > > up after itself.  So is there a certain way I should kill 
> > > vtpm_managerd?
> > > Or is this a bug?
> > > 
> > > Thanks,
> > > Ozzie
> > > 
> > > --
> > > Justin D. Osborn
> > > Software Engineer
> > > Information Operations
> > > JHU/APL
> > > 
> > > _______________________________________________
> > > Xense-devel mailing list
> > > Xense-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xense-devel
> > > 
> > 
> 
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