sudo rmmod tpm_tis fixed the issue for me on a t400s (64-bit Mavrick). I added "blacklist tpm_tis" to /etc/modprobe.d/blacklist.conf to make it permanent.
sudo rmmod tpm_tis fixed the issue for me on a t400s (64-bit Mavrick). I added "blacklist tpm_tis" to /etc/modprobe. d/blacklist. conf to make it permanent.