Re: [tboot-devel] (no subject)

[Lil E. <Lil...@gm...>]

Hi

Spot on.
I must have overlooked the z flag after resetting the TPM.

cheers
lIl

-------- Original-Nachricht --------
> Datum: Thu, 2 Oct 2008 00:15:52 -0700
> Von: "Cihula, Joseph" <jos...@in...>
> An: "Lil Evil" <Lil...@gm...>, tbo...@li...
> Betreff: RE: [tboot-devel] (no subject)

> Most likely this is due to having a non-null SRK auth.  Try re-taking
> ownership using 'tpm_takeownership -z' (the -z flag indicates to set the SRK
> auth to null (all 0s)).
> 
> Joe
> 
> > -----Original Message-----
> > From: Lil Evil [mailto:Lil...@gm...]
> > Sent: Thursday, October 02, 2008 12:06 AM
> > To: tbo...@li...
> > Subject: [tboot-devel] (no subject)
> > 
> > Hi there,
> > 
> > apologies if you get this twice, but the list didn't seem to work for
> > me yesterday..?
> > Original below.
> > 
> > I have encountered a new problem.
> > I have opened a box of worms :)
> > TBOOT boots and the verification of tboot,VMM,Dom0 is successful so
> > far.
> > Then I am getting a sealing or unsealing of hashes failed and return
> > value = 00000001
> > For my understanding the return value of the seal function indicates a
> > TPM_AUTHFAIL.
> > I checked the source code and also noticed a significant difference
> > between the mercurial (changeset:   81:601698c524fa) and stable release
> > (tboot-20080613) in those functions- see below.
> > 
> > If the LCP is a non-fatal one, the platform boots fine and also reports
> > a successful TXT launch.
> > If the policy is of any other type(continue,halt), the machine
> > hangs(stops).
> > 
> > Any ideas? I am willing to try patches ;)
> > 
> > Cheers lIl
> > 
> > 
> > ...
> > TBOOT: verifying VMM policy...
> > TBOOT: VMM is verified.
> > TBOOT: succeeded.
> > ...
> > TBOOT: verifying dom0 policy...
> > TBOOT: dom0 is verified.
> > TBOOT: succeeded.
> > ....
> > 
> > so good so far, then I am seeing a
> > 
> > TBOOT: invalid module #
> > 
> > followed by
> > 
> > TBOOT: PCRs before extending:
> > TBOOT: PCR 17: b8 2a 63 85 16 d3 96 d5 bc e7 24 e8 2b b7 6b 0a cd 7b d2
> > d2
> > TBOOT: PCR 18: b2 03 a0 ac b9 7d d1 0f d3 ec 64 ab dc 4d 08 24 17 2a 35
> > 9a
> > TBOOT: PCR 19: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > 00
> > TBOOT: TPM: seal data, return value = 00000001
> > TBOOT: sealing or unsealing of hashes failed.
> > TBOOT: tboot_shared data:
> > TBOOT:   version: 2
> > TBOOT:   log_addr: 0x01019040
> > TBOOT:   shutdown_entry32: 0x010030a0
> > TBOOT:   shutdown_entry64: 0x010030f0
> > TBOOT:   shutdown_type: 0
> > TBOOT:   s3_tb_wakeup_entry: 0x0008a000
> > TBOOT:   s3_k_wakeup_entry: 0x00000000
> > TBOOT:   &acpi_sinfo: 0x0101f02c
> > TBOOT:   tboot_base: 0x01003000
> > TBOOT:   tboot_size: 0x33dbc
> > TBOOT: g_log:
> > TBOOT:   uuid={0xc0192526, 0x6b30, 0x4db4, 0x844c,
> >                 {0xa3, 0xe9, 0x53, 0xb8, 0x81, 0x74}}
> > TBOOT:   max_size=3000
> > TBOOT:   curr_pos=8b6
> > TBOOT: transfering control to xen @0x00100000...
> > TBOOT: cpu 1 waking up, SIPI vector=8c000
> > 
> > 
> > --
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