Re: [Regression 4.15-rc2] New messages `tpm tpm0: A TPM error (2314) occurred continue selftest`

[Paul Menzel]

Dear Mario,


On 12/15/17 15:39, Mario.Limonciello@xxxxxxxx wrote:
> > -----Original Message-----
> > From: Paul Menzel [mailto:pmenzel@xxxxxxxxxxxxx]
> > Sent: Friday, December 15, 2017 5:54 AM
> > To: Limonciello, Mario <Mario_Limonciello@xxxxxxxx>; Alexander Steffen
> > <Alexander.Steffen@xxxxxxxxxxxx>; Jason Gunthorpe <jgg@xxxxxxxx>
> > Cc: linux-integrity@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Rafael J.
> > Wysocki <rafael.j.wysocki@xxxxxxxxx>; Len Brown <len.brown@xxxxxxxxx>
> > Subject: Re: [Regression 4.15-rc2] New messages `tpm tpm0: A TPM error (2314)
> > occurred continue selftest`

[â]

> > the added line breaks to the quoted parts really mess up the citation.
> > Can we please try to use MUAs avoiding that, or fixing that manually?
>
> I don't know what you mean.  I think this is directed at Alexander?
> If this is directed to me I can't change mail clients, sorry.

I think it started in Alexanderâs reply (Message-ID: 
<10b81a727ba940889095fa4bb29d0863@xxxxxxxxxxxx>) that line breaks were 
added to quotes. Your only adds a long âOriginal Messageâ header.

> <snip>
>
> > > Yes it's required for the TPM model/vendor that is used in the XPS model that
> > > Paul has.  If you try to run the upgrade without clearing it the firmware will
> > > reject the upgrade.
> >
> > Mario, thank you for your quick reaction.
> >
> > [â]
> >
> > 1.  Can you reproduce this issue too?
>
> I haven't seen this, but if this is a regression I also have not run anything
> later than 4.15-rc1 right now.

Well as far as I understood it, itâs not a regression, and there is now 
just better error reporting. Did you ever get the TPM to work?

> > 2.  How do I find out, what TPM firmware version is installed?
>
> fwupd will tell you.  Documentation (and code) here:
> https://github.com/hughsie/fwupd/tree/master/plugins/dell

Unfortuntately itâs not listed with fwupd 0.7.0-0ubuntu4.3 in Ubuntu 
16.04.3 LTS installed by Dell.

```
$ fwupdmgr get-devices
ro__sys_devices_pci0000_00_0000_00_02_0
  Guid:                 3ec3df3a-2290-56e5-9d2f-eda62e9ab50b
  Provider:             Udev
  Flags:                internal|locked
  DeviceVendor:         Intel Corporation
  Created:              2017-12-15
  Trusted:              none

UEFI-5ffdbc0d-f340-441c-a803-8439c8c0ae10-dev0
  Guid:                 5ffdbc0d-f340-441c-a803-8439c8c0ae10
  DisplayName:          XPS 13 9360
  Provider:             UEFI
  Flags:                internal|allow-offline|require-ac
  Version:              0.2.4.2
  VersionLowest:        0.2.4.2
  Created:              2017-12-15
  Trusted:              none

usb:00:05
  Guid:                 87c78d19-a3ed-5778-9b69-8eb701529940
  DisplayName:          Integrated_Webcam_HD
  Provider:             USB
  Flags:                none
  Version:              99.24
  Created:              2017-12-15
  Trusted:              none

usb:00:04
  Guid:                 0f15c153-cc04-589b-8886-aba87f98918d
  DisplayName:          Touchscreen
  Provider:             USB
  Flags:                none
  Version:              17.17
  Created:              2017-12-15
  Trusted:              none

```

> > 3.  Updating to the firmware 2.4.2 from December 17th, 2017 didnât fix

[The date is December 12th, 2017.]

> The TPM in the XPS is a discrete TPM that is treated separately from the system
> firmware payload.  It supports both a "1.2" and a "2.0" firmware.
>
> It is independently flashed from a separate TPM payload that is distributed
> on LVFS.

It looks like I am out of luck with Ubuntu 16.04.3 [1].


Kind regards,

Paul


[1] https://github.com/hughsie/fwupd/issues/301#issuecomment-342164366

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