linux-kernel - Re: [Sony Vaio TX3] TPM chip prevents machine from suspending a second time

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Message-ID: <4F258E4C.8020606@linux.vnet.ibm.com>
Date:	Sun, 29 Jan 2012 13:22:04 -0500
From:	Stefan Berger <stefanb@...ux.vnet.ibm.com>
To:	John Hughes <john@...vaedi.com>
CC:	Jonathan Nieder <jrnieder@...il.com>,
	John Hughes <john@...antech.com>,
	Jeff Layton <jlayton@...chiereds.net>,
	linux-kernel@...r.kernel.org, tpmdd-devel@...ts.sourceforge.net,
	Rajiv Andrade <srajiv@...ux.vnet.ibm.com>,
	Eric Paris <eparis@...hat.com>
Subject: Re: [Sony Vaio TX3] TPM chip prevents machine from suspending a second
 time

On 01/29/2012 05:49 AM, John Hughes wrote:
> On 23/01/12 21:52, Stefan Berger wrote:
>>
>> Can you apply the patch below to your tpm_tis.c (or somewhere else in 
>> the kernel) and let me/us know what it reports in 'dmesg' upon a 
>> 'modprobe tpm_tis'?
>
> [   48.826151] tpm_tis 00:07: dmi: 0: (null)
> [   48.826157] tpm_tis 00:07: dmi: 1: Phoenix Technologies LTD
> [   48.826161] tpm_tis 00:07: dmi: 2: R0021N3
> [   48.826165] tpm_tis 00:07: dmi: 3: 05/09/2006
> [   48.826169] tpm_tis 00:07: dmi: 4: Sony Corporation
> [   48.826173] tpm_tis 00:07: dmi: 5: VGN-TX3XP_B
> [   48.826177] tpm_tis 00:07: dmi: 6: J001QHZL
> [   48.826181] tpm_tis 00:07: dmi: 7: 28244651-5000176
> [   48.826186] tpm_tis 00:07: dmi: 8: 
> DC744BA0-5B3C-11D9-8822-0013A93CCD4D
> [   48.826190] tpm_tis 00:07: dmi: 9: Sony Corporation
> [   48.826195] tpm_tis 00:07: dmi: 10: VAIO
> [   48.826199] tpm_tis 00:07: dmi: 11: N/A
> [   48.826204] tpm_tis 00:07: dmi: 12: N/A
> [   48.826208] tpm_tis 00:07: dmi: 13: N/A
> [   48.826213] tpm_tis 00:07: dmi: 14: Sony Corporation
> [   48.826217] tpm_tis 00:07: dmi: 15: 10
> [   48.826221] tpm_tis 00:07: dmi: 16: N/A
> [   48.826225] tpm_tis 00:07: dmi: 17: J001QHZL
> [   48.826229] tpm_tis 00:07: dmi: 18:
> [   48.826235] tpm_tis 00:07: 1.2 TPM (device-id 0xB, rev-id 16)
>
Thanks. Please try the attached patch.

I am not sure whether this is the right way to go, though: Is it a 
problem particular to this BIOS + Board or a general problem of this 
BIOS? Is it specific to the TX3 or to all VAIOs?

   Stefan




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