Re: [tboot-devel] (no subject)

[Cihula, J. <jos...@in...>]

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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> 169196
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