I had the same problem with KK x64, I was troubleshooting some other problem and deleted /tmp ... after a reboot i could not login at all regardless of user except for root.... chmod 775 /tmp fixed it.
I had the same problem with KK x64, I was troubleshooting some other problem and deleted /tmp ... after a reboot i could not login at all regardless of user except for root.... chmod 775 /tmp fixed it.