linux-kernel - RE: [tpmdd-devel] tpm_tis driver failed to suspend, error -62

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Date:	Thu, 28 Mar 2013 15:58:58 +0100
From:	peterasplund@...too.se
To:	<Peter.Huewe@...ineon.com>
Cc:	<aaron.lu@...el.com>, <mail@...jiv.net>,
	<tpmdd-devel@...ts.sourceforge.net>,
	<linux-kernel@...r.kernel.org>, <key@...ux.vnet.ibm.com>
Subject: RE: [tpmdd-devel] tpm_tis driver failed to suspend, error -62

Hi Peter!

Thank you for your help! I'm going away for the Easter holiday, and 
will be back on Monday/Tuesday. I will try to supply the information you 
need at that time, since I won't be bringing my laptop with me.

BR
Peter A

2013-03-28 14:12 skrev Peter.Huewe@...ineon.com:
> Hi Aaron, Rajob, PeterA and everybody else,
>
> (sorry for the late reply)
>
>>On 03/27/2013 11:22 PM, Rajiv Andrade wrote:
>>> Sorry for the delay. Can you send us the dmesg output after setting
>>> loglevel=7 at boot time? Additionally, can you send us the TPM 
>>> manufacturer model/version
>
>>>> On Thu, Mar 21, 2013 at 10:17 AM, <peterasplund@...too.se> wrote:
>>>>>
>>>>> Hi! Sadly, I have to say that I'm totally oblivious to 
>>>>> power-related
>>>>> stuff both in software and hardware, so I have no idea what you 
>>>>> are
>>>>> asking or proposing.. :
>
> According to the BootDmesg.txt it's an Infineon TPM
> [    0.293936] pnp 00:0a: Plug and Play ACPI device, IDs IFX0102
> PNP0c31 (active)
> [   12.413651] tpm_tis 00:0a: 1.2 TPM (device-id 0xB, rev-id 16)
>
>
>
>
> @PeterA:
> Can you perhaps try find out the exact tpm version?
> 1) Install trousers and tpm_tools (emerge app-crypt/trousers
> app-crypt/tpm-tools)
> 2) Kill the tcsd and run it in the foreground
> # pkill -9 tcsd
> # tcsd -f
> (if it says up and running you can send it to background)
> 3) Run
> #tpm_version and post the output.
>
>
>
> Also the flags etc would perhaps be handy, they can be retrieved via
> sysfs - on you machine it _should_ be
> # cat /sys/devices/pnp0/00:0a/*
> and also post the output.
>
>
> What also might be worth a look - in your bugzilla it states:
> [ 0.225891] pnp 00:0a: Plug and Play ACPI device, IDs IFX0102 PNP0c31 
> (active)
> [ 9.150673] tpm_tis 00:0a: 1.2 TPM (device-id 0xB, rev-id 16)
> [ 9.292148] tpm_tis 00:0a: Adjusting TPM timeout parameters.
> [ 10.084067] tpm_tis 00:0a: A TPM error (7) occurred attempting to 
> read a pcr
> value
> [ 10.084077] tpm_tis 00:0a: TPM is disabled/deactivated (0x7)
>
>
> Can you perhaps try to enable your TPM in the BIOS? It's quite often
> hidden under "embedded security device" or "system security".
> Quite often you have to have a bios password set to access these 
> settings.
> If your system does not have bios support for TPMs, please tell me so
> and I'll try to help you out.
>
> Thanks,
> PeterH
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