Re: TPM driver breaks S3 suspend

Jarkko Sakkinen
2017-12-24T20:35:41Z

On Thu, Dec 21, 2017 at 05:43:35PM +0800, Chris Chiu wrote:
> On Thu, Dec 21, 2017 at 5:22 PM, Paul Menzel <pmenzel@molgen.mpg.de> 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)
>
> Chris

Can you put lsmod|grep tpm output?

/Jarkko