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Date:   Thu, 21 Dec 2017 10:22:43 +0100
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     Chris Chiu <chiu@...lessm.com>, linux-kernel@...r.kernel.org,
        Linux Upstreaming Team <linux@...lessm.com>,
        Alexander Steffen <Alexander.Steffen@...ineon.com>
Cc:     Peter Huewe <PeterHuewe@....de>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Jason Gunthorpe <jgg@...pe.ca>, linux-integrity@...r.kernel.org
Subject: Re: TPM driver breaks S3 suspend

Dear Chris,


Thank you for bringin gup the issue.

>      We have a desktop which has S3 suspend (to RAM) problem due to
> error messages as follows.
> [  198.908282] tpm tpm0: Error (38) sending savestate before suspend
> [  198.908289] __pnp_bus_suspend(): tpm_pm_suspend+0x0/0x160 returns 38
> [  198.908293] dpm_run_callback(): pnp_bus_suspend+0x0/0x20 returns 38
> [  198.908298] PM: Device 00:0b failed to suspend: error 38
> 
>      However, the first suspend after boot is working although it still
> shows an interesting message during resume.
> [  155.789945] tpm tpm0: A TPM error (38) occurred continue selftest
> 
>      The error code 38 in definition is TPM_ERR_INVALID_POSTINIT. I
> found some explanations which said this error code means that this
> command was received in the wrong sequence relative to a TPM_Startup
> command. Don't really know what happens here and how should I deal
> with this? Any suggestions? Please let me know what else information
> should I provide.

Please provide more information. Tell us your Linux version, attach your 
config and tell us the system name and if you know it the TPM version.


Kind regards,

Paul


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