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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: "Michael Niewöhner" <niewoehner.michael@gmail.com>
Cc: Mimi Zohar <zohar@linux.ibm.com>,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	peterhuewe@gmx.de, jgg@ziepe.ca, arnd@arndb.de,
	linux-integrity@vger.kernel.org,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Nayna Jain <nayna@linux.ibm.com>,
	Ken Goldman <kgold@linux.ibm.com>
Subject: Re: tpm_tis TPM2.0 not detected on cold boot
Date: Thu, 3 Jan 2019 15:41:47 +0200	[thread overview]
Message-ID: <20190103134147.GE10491@linux.intel.com> (raw)
In-Reply-To: <ef7e773b01a5e6153b84628f74fc67092a2f9b0e.camel@gmail.com>

On Sun, Dec 16, 2018 at 02:32:38PM +0100, Michael Niewöhner wrote:
 
> dmesg cold boot with tpm_tis.interrupts=0 tpm_tis.force=1:
> ----------------------------------------------------------
> > dmesg | grep -i tpm
> [    0.000000] Command line: initrd=\initrd-test console=ttyS0,115200n8
> break=premount tpm_tis.interrupts=0 tpm_tis.force=1
> [    0.000000] efi:  ACPI
> 2.0=0x9e07e000  ACPI=0x9e07e000  SMBIOS=0x9ebeb000  SMBIOS
> 3.0=0x9ebea000  MEMATTR=0x98fb2018  TPMEventLog=0x972bb018 
> [    0.003531] ACPI: TPM2 0x000000009E0B7F70 000034 (v03 LENOVO TC-
> S06   00001260 AMI  00000000)
> [    0.162005] Kernel command line: initrd=\initrd-test console=ttyS0,115200n8
> break=premount tpm_tis.interrupts=0 tpm_tis.force=1
> [    3.616806] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0xFE, rev-id 2)
> [    3.683117] tpm_tis tpm_tis: can't request region for resource [mem
> 0xfed40000-0xfed44fff]
> [    3.691378] tpm_tis: probe of tpm_tis failed with error -16
> [    4.572539] ima: Error Communicating to TPM chip

Wonder why this happens. What does /proc/iomem show?

/Jarkko

  parent reply	other threads:[~2019-01-03 13:41 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-16 13:32 tpm_tis TPM2.0 not detected on cold boot Michael Niewöhner
2018-12-22 13:47 ` Michael Niewöhner
2018-12-22 22:53   ` Mimi Zohar
2018-12-23 11:55     ` Michael Niewöhner
2018-12-25 13:55       ` Michael Niewöhner
2018-12-30  3:33         ` Mimi Zohar
2018-12-30 13:22           ` Michael Niewöhner
2018-12-31 18:10             ` Ken Goldman
2018-12-31 21:17             ` Mimi Zohar
2019-01-01 16:15               ` Michael Niewöhner
2019-01-01 16:38                 ` Mimi Zohar
2019-01-01 16:47                   ` Michael Niewöhner
2018-12-31 17:56           ` Ken Goldman
2019-01-03 13:27       ` Jarkko Sakkinen
2019-01-03 13:38         ` Michael Niewöhner
2019-01-03 15:04           ` Jarkko Sakkinen
2019-01-03 15:47             ` Michael Niewöhner
2019-01-04 11:58               ` Michael Niewöhner
2019-01-04 15:28                 ` Michael Niewöhner
2019-01-04 18:26                   ` Michael Niewöhner
2019-01-10 17:28                   ` Jarkko Sakkinen
2019-01-10 18:03                     ` Michael Niewöhner
2019-01-10 17:19               ` Jarkko Sakkinen
2019-01-10 18:00                 ` Michael Niewöhner
2019-01-03 13:41 ` Jarkko Sakkinen [this message]
2019-01-03 13:55   ` Michael Niewöhner

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