linux-kernel - Re: [REGRESSION] suspend to ram fails in 6.2-rc1 due to tpm errors

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Message-Id: <CS48U6SYIBVB.V05DUEX5I01F@suppilovahvero>
Date:   Sun, 23 Apr 2023 18:34:16 +0300
From:   "Jarkko Sakkinen" <jarkko@...nel.org>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     "Thorsten Leemhuis" <regressions@...mhuis.info>,
        "James Bottomley" <James.Bottomley@...senpartnership.com>,
        "Vlastimil Babka" <vbabka@...e.cz>,
        "Peter Huewe" <peterhuewe@....de>,
        "Jason Gunthorpe" <jgg@...pe.ca>, "Jan Dabros" <jsd@...ihalf.com>,
        <regressions@...ts.linux.dev>,
        "LKML" <linux-kernel@...r.kernel.org>,
        <linux-integrity@...r.kernel.org>,
        "Dominik Brodowski" <linux@...inikbrodowski.net>,
        "Herbert Xu" <herbert@...dor.apana.org.au>,
        "Linus Torvalds" <torvalds@...ux-foundation.org>,
        "Johannes Altmanninger" <aclopte@...il.com>
Subject: Re: [REGRESSION] suspend to ram fails in 6.2-rc1 due to tpm errors

On Fri Apr 21, 2023 at 9:27 PM EEST, Jason A. Donenfeld wrote:
> Did you use the patch I sent you and suspend and resume according to
> the instructions I gave you? If not, I don't have much to add.

Finally, I got it reproduced at my side with TPM 1.2:

[    0.379677] tpm_tis 00:00: 1.2 TPM (device-id 0x1, rev-id 1)
[   32.453447] tpm tpm0: tpm_transmit: tpm_recv: error -5
[   33.450601] tpm tpm0: Unable to read header
[   33.450607] tpm tpm0: tpm_transmit: tpm_recv: error -62

I'll look at this further after I've sent v6.3 PR.

BR, Jarkko