[08:44 root /]# mount -t debugfs none /sys/kernel/debug/
[08:44 root /]# echo "core" > /sys/power/pm_test 
[08:44 root /]# lsmod | grep tpm
[08:45 root /]# echo "mem" > /sys/power/state 
[08:45 root /]# cat /sys/kernel/debug/suspend_stats 
success: 1
fail: 0
failed_freeze: 0
failed_prepare: 0
failed_suspend: 0
failed_suspend_noirq: 0
failed_resume: 0
failed_resume_noirq: 0
failures:
  last_failed_dev:	
			
  last_failed_errno:	0
			0
  last_failed_step:	
			
[08:45 root /]# modprobe tpm_tis
[08:45 root /]# lsmod | grep tpm
tpm_tis                 7090  0 
tpm                    12053  1 tpm_tis
tpm_bios                4261  1 tpm
[08:45 root /]# dmesg | tail
[  117.476502] sd 4:0:0:0: [sdb] No Caching mode page present
[  117.476510] sd 4:0:0:0: [sdb] Assuming drive cache: write through
[  117.478468]  sdb: sdb1
[  117.675070] IBM TrackPoint firmware: 0x0e, buttons: 3/3
[  117.697970] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input13
[  119.034303] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[  138.160100] tpm_tis 00:0b: 1.2 TPM (device-id 0x1020, rev-id 6)
[  138.160107] tpm_tis 00:0b: Intel iTPM workaround enabled
[  138.280045] tpm_tis 00:0b: A TPM error (6) occurred attempting to read a pcr value
[  138.280054] tpm_tis 00:0b: TPM is disabled/deactivated (0x6)
[08:45 root /]# echo "mem" > /sys/power/state 
[08:46 root /]# cat /sys/kernel/debug/suspend_stats 
success: 2
fail: 0
failed_freeze: 0
failed_prepare: 0
failed_suspend: 0
failed_suspend_noirq: 0
failed_resume: 1
failed_resume_noirq: 0
failures:
  last_failed_dev:	00:0b
			
  last_failed_errno:	0
			0
  last_failed_step:	resume
			
[08:46 root /]#