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Date:   Thu, 21 Dec 2017 17:43:35 +0800
From:   Chris Chiu <>
To:     Paul Menzel <>
Cc:     Linux Kernel <>,
        Linux Upstreaming Team <>,
        Alexander Steffen <>,
        Peter Huewe <>,
        Jarkko Sakkinen <>,
        Jason Gunthorpe <>,
Subject: Re: TPM driver breaks S3 suspend

On Thu, Dec 21, 2017 at 5:22 PM, Paul Menzel <> wrote:
> 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.

Sorry for the missing information. This is reproducible in kernel 4.14
and latest
4.15-rc2 with all TPM drivers selected. What system name do you need? It's
Acer Desktop Veriton 4410G. The TPM version shows in dmesg is
[    0.640244] tpm_tis 00:0b: 1.2 TPM (device-id 0xFE, rev-id 71)


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