From: Jason Gunthorpe <jgg@ziepe.ca>
To: Mario.Limonciello@dell.com
Cc: Alexander.Steffen@infineon.com, linux-integrity@vger.kernel.org,
regressions@leemhuis.info, James.Bottomley@HansenPartnership.com,
pmenzel@molgen.mpg.de
Subject: Re: TPM selftest failure in 4.15 (Dell XPS 13, Nuvoton 6xx)
Date: Thu, 1 Feb 2018 15:22:51 -0700 [thread overview]
Message-ID: <20180201222251.GB17053@ziepe.ca> (raw)
In-Reply-To: <0d6c700430264d9584426a587b7c056e@ausx13mpc120.AMER.DELL.COM>
On Thu, Feb 01, 2018 at 09:06:55PM +0000, Mario.Limonciello@dell.com wrote:
> I discussed this with some folks and although it would fix the
> problem it is not accurately characterizing the situation. What is
> likely happening here is that issuing the self test command in
> succession is causing the TPM to restart the self test and not
> complete. Instead the selfTestDone bit should be polled.
Oh, I wonder if that is beacuse this was copied from the TPM1 version
where we don't have a bit like that??
Should we check this selfTestDone bit before event sending the self
test?
Jsaon
next prev parent reply other threads:[~2018-02-01 22:22 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-01 12:16 TPM selftest failure in 4.15 James Bottomley
2018-02-01 12:21 ` Paul Menzel
2018-02-01 12:42 ` James Bottomley
2018-02-01 15:24 ` James Bottomley
2018-02-01 17:40 ` Jason Gunthorpe
2018-02-01 18:46 ` James Bottomley
2018-02-01 18:59 ` Jason Gunthorpe
2018-02-01 20:00 ` James Bottomley
2018-02-01 20:35 ` Jason Gunthorpe
2018-02-01 21:06 ` James Bottomley
2018-02-08 13:10 ` Jarkko Sakkinen
2018-02-08 17:02 ` James Bottomley
2018-02-09 10:02 ` Jarkko Sakkinen
2018-02-09 10:30 ` Nayna Jain
2018-02-15 12:00 ` Jarkko Sakkinen
2018-02-09 11:47 ` Alexander Steffen
2018-02-15 12:12 ` Jarkko Sakkinen
2018-02-15 15:13 ` Mimi Zohar
2018-02-16 18:30 ` Alexander Steffen
2018-02-19 9:15 ` Nayna Jain
2018-02-19 22:26 ` Jason Gunthorpe
2018-02-16 18:27 ` Alexander Steffen
2018-02-20 13:05 ` Jarkko Sakkinen
2018-02-09 12:26 ` Mimi Zohar
2018-02-09 16:23 ` James Bottomley
2018-02-09 21:23 ` Mimi Zohar
2018-04-08 18:27 ` Ken Goldman
2018-02-09 16:18 ` James Bottomley
2018-02-08 17:27 ` Ken Goldman
2018-02-01 19:16 ` TPM selftest failure in 4.15 (Dell XPS 13, Nuvoton 6xx) Paul Menzel
2018-02-01 19:17 ` Paul Menzel
2018-02-01 20:12 ` Mario.Limonciello
2018-02-01 21:06 ` Mario.Limonciello
2018-02-01 22:22 ` Jason Gunthorpe [this message]
2018-02-02 5:46 ` James Bottomley
2018-02-02 5:46 ` James Bottomley
2018-02-08 16:53 ` Ken Goldman
2018-02-08 13:18 ` Jarkko Sakkinen
2018-02-08 13:05 ` TPM selftest failure in 4.15 Jarkko Sakkinen
2018-02-08 13:03 ` Jarkko Sakkinen
2018-02-08 12:49 ` Jarkko Sakkinen
2018-02-08 18:45 ` Ken Goldman
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