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

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Date:	Thu, 28 Mar 2013 13:12:54 +0000
From:	<Peter.Huewe@...ineon.com>
To:	<aaron.lu@...el.com>, <mail@...jiv.net>, <peterasplund@...too.se>
CC:	<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 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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