Ceri,
I found this by searching on google:
https://groups.google.com/a/chromium.org/forum/#!topic/chromium-os-checkins/iJjc8Mzzzow
<https://groups.google.com/a/chromium.org/forum/#%21topic/chromium-os-checkins/iJjc8Mzzzow>
Looks like it's a known characteristic of STM TPMs, which needs to run
the self test after resume operations.
I suggest you take a look at the kernel source of your system and check
if the changes mentioned in this thread were applied to your kernel.
Em 04-11-2013 13:49, Richard escreveu:
Hi Ceri,
I saw something about it in the tpm-dd mailing list. I'll investigate
and get back to you if I find something.
Em 02-11-2013 10:02, Ceri Coburn escreveu:
Hi All,
Up until now I have been using the TPM emulator project for
interfacing with a TPM which has worked great. I am now in the
process of starting to test my TPM unit tests on a real TPM that we
intend on using for our project.
Upon starting the tcsd daemon it fails instantly with the following output.
TCSD tcsd_conf.c:94 platform_class_list_append:
platform_class_list_append start:
TCSD tcsd_conf.c:126 platform_class_list_append: Platform Class Added.
TCSD TCS tcsi_caps_tpm.c:43 Entering Get Cap
To TPM: 00 C1 00 00 00 12 00 00 00 65 00 00 00 1A 00 00
To TPM: 00 00
TCSD TDDL tddl.c:171 Calling write to driver
TCSD TDDL tddl.c:188 ioctl: (25) Inappropriate ioctl for device
TCSD TDDL tddl.c:189 Falling back to Read/Write device support.
>From TPM: 00 C4 00 00 00 1E 00 00 00 00 00 00 00 10 00 30
>From TPM: 01 02 0D 0A 00 02 03 53 54 4D 20 00 01 4B
TCSD TCS tcsi_caps_tpm.c:43 Entering Get Cap
To TPM: 00 C1 00 00 00 16 00 00 00 65 00 00 00 01 00 00
To TPM: 00 04 00 00 00 B4
TCSD TDDL tddl.c:171 Calling write to driver
>From TPM: 00 C4 00 00 00 0A 00 00 08 01
LOG_RETERR TPM tcsi_caps_tpm.c:52: 0x801
TCSD TCS ERROR: tcs_caps.c:191 TCS GetCapability failed with result = 0x801
Would anyone know if this a problem with the ST33 TPM driver or
something inside TrouSerS?
Thanks.
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developers love is also attractive to malware creators. Download this white
paper to learn more about secure code signing practices that can help keep
Android apps secure.
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