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From: Mimi Zohar <zohar@linux.ibm.com>
To: "Michael Niewöhner" <linux@mniewoehner.de>,
	"James Bottomley" <James.Bottomley@HansenPartnership.com>,
	peterhuewe@gmx.de, jarkko.sakkinen@linux.intel.com, jgg@ziepe.ca,
	arnd@arndb.de, linux-integrity@vger.kernel.org,
	linux-kernel <linux-kernel@vger.kernel.org>
Cc: Nayna Jain <nayna@linux.ibm.com>
Subject: Re: [BUG] Nuvoton NCPT650 TPM 2.0 mode not working
Date: Sun, 11 Nov 2018 16:42:36 -0500
Message-ID: <1541972556.3734.90.camel@linux.ibm.com> (raw)
In-Reply-To: <660b0934bc16c8d195a2724f8be4ba8dfbe71134.camel@mniewoehner.de>

> Very strange... When I pull the power cord, then replug and boot, I get these
> dmesg messages:
> [    0.000000] efi:  ACPI
> 2.0=0x9ea78000  ACPI=0x9ea78000  SMBIOS=0x9f5e5000  SMBIOS
> 3.0=0x9f5e4000  MPS=0xfca00  ESRT=0x9c06e918  MEMATTR=0x99cb9018  TPMEventLog=0x
> 98d0c018 
> [    0.001794] ACPI: TPM2 0x000000009EAB1F70 000034 (v03 LENOVO TC-
> S06   00001260 AMI  00000000)
> [    3.096587] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0xFE, rev-id 2)
> [    3.105684] tpm tpm0: A TPM error (2314) occurred attempting the self test
> 
> After a reboot I get those "ima: ..." message again. Pulling the plug seems to
> reset anything (the TPM).
> 
> The PTT TPM 2.0 shows exactly the same behaviour.

On a cold boot, it takes longer to initialize the TPM.  The TPM is
returning TPM2_RC_TESTING (0x090A == 2314), meaning that it has not
yet finished the initialization.

Nayna's post a patch, which should address the TPM2_RC_TESTING error
message.

https://lore.kernel.org/linux-integrity/20180515071712.9331-1-nayna@li
nux.vnet.ibm.com/

thanks,

Mimi




  reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-11 17:55 Michael Niewöhner
2018-11-11 18:24 ` James Bottomley
2018-11-11 18:50   ` Michael Niewöhner
2018-11-11 18:57     ` James Bottomley
2018-11-11 20:09       ` Michael Niewöhner
2018-11-11 20:29         ` James Bottomley
2018-11-11 20:34           ` Michael Niewöhner
2018-11-11 21:11             ` Michael Niewöhner
2018-11-11 21:42               ` Mimi Zohar [this message]
2018-11-14 20:46                 ` Michael Niewöhner
2018-11-16 21:06                   ` Michael Niewöhner
2018-11-18  8:18                     ` Jarkko Sakkinen
2018-11-18 14:10                       ` Michael Niewöhner
2018-11-19 13:49                         ` Jarkko Sakkinen
2018-11-25 20:06                           ` Michael Niewöhner
2018-11-26 19:15                             ` Michael Niewöhner
2018-11-26 21:13                               ` Jarkko Sakkinen
2018-11-13 10:50               ` Jarkko Sakkinen
2019-01-11 15:40     ` Mimi Zohar
2019-01-12  9:52       ` Michael Niewöhner
2019-01-12 10:49         ` Michael Niewöhner
2018-11-11 18:33 ` Mimi Zohar
2018-11-11 18:51   ` Michael Niewöhner
2018-11-13 10:28 ` Jarkko Sakkinen

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