Exact same symptoms on a Thinkpad T420 (64bit). Ubuntu 14.04, 3.13.0-65-generic, 4Gb RAM, Intel SSD root device, 15GB swap partition on a 30Gb device, another SSD.
Exact same symptoms on a Thinkpad T420 (64bit).
Ubuntu 14.04, 3.13.0-65-generic, 4Gb RAM, Intel SSD root device, 15GB swap partition on a 30Gb device, another SSD.