linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Morten Linderud <morten@linderud.pw>
To: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Peter Huewe <peterhuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
	linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] tpm/eventlog: Don't abort tpm_read_log on faulty ACPI address
Date: Fri, 10 Jun 2022 15:29:12 +0200	[thread overview]
Message-ID: <20220610132912.toovhhqtqr3vdepq@terminus> (raw)
In-Reply-To: <YqHdwD/hJfVdSE94@iki.fi>

On Thu, Jun 09, 2022 at 02:47:12PM +0300, Jarkko Sakkinen wrote:
> On Thu, Jun 09, 2022 at 10:11:59AM +0200, Morten Linderud wrote:
> > On Thu, Jun 09, 2022 at 07:46:46AM +0300, Jarkko Sakkinen wrote:
> >
> > > What you are using this for? Without any actual bug report, this 
> > > is an obvious NAK.
> > 
> > I have hardware with faulty ACPI values which prevents me from getting a
> > eventlog. I can surely make a bugreport if it helps the case, but that seems
> > like an arbiterary hurdle when I have already spent the time tracking down the
> > issue and proposed a fix.
> 
> What is the hardware?

I included it in the commit message with the listed ACPI table values.


The following hardware was used to test this issue:
    Framework Laptop (Pre-production)
    BIOS: INSYDE Corp, Revision: 3.2
    TPM Device: NTC, Firmware Revision: 7.2

Dump of the faulty ACPI TPM2 table:
    [000h 0000   4]                    Signature : "TPM2"    [Trusted Platform Module hardware interface Table]
    [004h 0004   4]                 Table Length : 0000004C
    [008h 0008   1]                     Revision : 04
    [009h 0009   1]                     Checksum : 2B
    [00Ah 0010   6]                       Oem ID : "INSYDE"
    [010h 0016   8]                 Oem Table ID : "TGL-ULT"
    [018h 0024   4]                 Oem Revision : 00000002
    [01Ch 0028   4]              Asl Compiler ID : "ACPI"
    [020h 0032   4]        Asl Compiler Revision : 00040000

    [024h 0036   2]               Platform Class : 0000
    [026h 0038   2]                     Reserved : 0000
    [028h 0040   8]              Control Address : 0000000000000000
    [030h 0048   4]                 Start Method : 06 [Memory Mapped I/O]

    [034h 0052  12]            Method Parameters : 00 00 00 00 00 00 00 00 00 00 00 00
    [040h 0064   4]           Minimum Log Length : 00010000
    [044h 0068   8]                  Log Address : 000000004053D000

-- 
Morten Linderud
PGP: 9C02FF419FECBE16

  reply	other threads:[~2022-06-10 13:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-08 12:31 [PATCH v2] tpm/eventlog: Don't abort tpm_read_log on faulty ACPI address Morten Linderud
2022-06-09  4:46 ` Jarkko Sakkinen
2022-06-09  8:11   ` Morten Linderud
2022-06-09 11:47     ` Jarkko Sakkinen
2022-06-10 13:29       ` Morten Linderud [this message]
2022-06-15 18:44         ` Jarkko Sakkinen
2022-10-01 21:52           ` Erkki Eilonen
2022-10-02 11:10             ` Morten Linderud
2022-10-04 22:23             ` Jarkko Sakkinen
2023-02-14 21:52               ` Erkki Eilonen
2023-02-17 22:27                 ` Jarkko Sakkinen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220610132912.toovhhqtqr3vdepq@terminus \
    --to=morten@linderud.pw \
    --cc=jarkko@kernel.org \
    --cc=jgg@ziepe.ca \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=peterhuewe@gmx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).