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@xxxxxxxxxxxxx> 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
