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

[peterasplund@gentoo.se]

2013-03-28 14:12 skrev Peter.Huewe@infineon.com:
> Hi Aaron, Rajob, PeterA and everybody else
>
> @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)

root@zepto:/home/peter# tcsd -f
TCSD TDDL ioctl: (25) Inappropriate ioctl for device
TCSD TDDL Falling back to Read/Write device support.
TCSD TDDL ERROR: write to device /dev/tpm0 failed: Timer expired
TCSD TCS ERROR: TCS GetCapability failed with result = 0x1087

> 3) Run
> #tpm_version and post the output.
root@zepto:/home/peter# tpm_version
Tspi_Context_Connect failed: 0x00003011 - layer=tsp, code=0011 (17), 
Communication failure

I will try to restart the laptop, as well as check the bios settings, 
and get back to you on this one.

>
>
> 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.
root@zepto:/home/peter# ls /sys/devices/pnp0/00\:0a/
driver/        id             power/         subsystem/
firmware_node/ options        resources      uevent
root@zepto:/home/peter# cat /sys/devices/pnp0/00\:0a/options
root@zepto:/home/peter# cat /sys/devices/pnp0/00\:0a/resources
state = active
irq 12
root@zepto:/home/peter# cat /sys/devices/pnp0/00\:0a/id
SYN1902
SYN1900
SYN0002
PNP0f13
root@zepto:/home/peter# cat /sys/devices/pnp0/00\:0a/uevent
DRIVER=i8042 aux

Cheers,
Peter A

>
>
> 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