> Hello
> 
Some more infos. I use a SMP linux kernel, should I try with no SMP?

The laptop is a Latitude D430, I did a BIOS update to the latest,
but still doesn't work. 

What can I do now?

Thanks.

> I just d/l the latest releases of trousers + tpm-tools. My
> kernel is 2.6.37.6.
> 
> What works is:
> 
> I modprobe the tpm_tis module:
> tpm_tis 00:0c: 1.2 TPM (device-id 0x1001, rev-id 2)
> 
> # ps ax | grep tcsd
> 15844 pts/0    S      0:00 tcsd -f
> 
> # tpm_version
> 
>   TPM 1.2 Version Info:
>   Chip Version:        1.2.2.10
>   Spec Level:          0
>   Errata Revision:     0
>   TPM Vendor ID:       BRCM
>   TPM Version:         01010000
>   Manufacturer Info:   4252434d
> 
> And what doesn't work:
> 
> # tpm_takeownership -y -z
> Tspi_TPM_TakeOwnership failed: 0x00000023 - layer=tpm,
> code=0023 (35), No EK
> 
> So I manage to create an Endorsment Key:
> 
> # tpm_createek             (hangs for 4-5 second, then:)
> TCSD TDDL ERROR: read from device /dev/tpm0 failed: Timer
> expired
> Tspi_TPM_CreateEndorsementKey failed: 0x00001087 - layer=tddl,
> code=0087 (135),
> I/O error
> 
> So, how can I manage to work with this TPM?
> 
> Strange fact:
> The tpm command launched after the tpm_createek fails once:
> 
> # tpm_createek 
> TCSD TDDL ERROR: read from device /dev/tpm0 failed: Timer
> expired
> Tspi_TPM_CreateEndorsementKey failed: 0x00001087 - layer=tddl,
> code=0087 (135),
> I/O error
> # tpm_version 
> TCSD TDDL ERROR: read from device /dev/tpm0 failed: Timer
> expired
> # tpm_version 
>   TPM 1.2 Version Info:
>   Chip Version:        1.2.2.10
>   Spec Level:          0
>   Errata Revision:     0
>   TPM Vendor ID:       BRCM
>   TPM Version:         01010000
>   Manufacturer Info:   4252434d
> 
> thanks for any help
> 





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