On Thu, Dec 21, 2017 at 04:04:56PM +0800, Chris Chiu wrote: > Hi, > 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. Thanks > > Chris The sequences for initializing TPM 1.x devices has been fairly static for a long time. Has this occured after a kernel update? Is there a kernel version where it used to work and a version where it doesn't? Thanks. /Jarkko
