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    SubjectRE: [tpmdd-devel] tpm tis driver failed to su spend, error -62
    2013-03-28 14:12 skrev Peter.Huewe@infineon.com:
    > 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.
    >

    I've enabled it in BIOS now, and the output seems to be a bit
    different. Not too uplifting though...

    root@zepto:/home/peter# dmesg | grep tpm
    [ 14.631662] tpm_tis 00:08: 1.2 TPM (device-id 0xB, rev-id 16)
    [ 14.748276] tpm_tis 00:08: Adjusting TPM timeout parameters.
    [ 34.908128] tpm_tis 00:08: tpm_transmit: tpm_send: error -62
    [ 125.992108] tpm_tis 00:08: tpm_transmit: tpm_send: error -62
    [ 212.908502] tpm_tis 00:08: tpm_transmit: tpm_send: error -62
    root@zepto:/home/peter# tpm_version
    Tspi_Context_Connect failed: 0x00003011 - layer=tsp, code=0011 (17),
    Communication failure
    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

    /Peter A


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