And here's the free output with an uncorrupted swap: wolverian at pupu:~$ free total used free shared buffers cached Mem: 765544 512864 252680 0 17136 253164 -/+ buffers/cache: 242564 522980 Swap: 1638620 0 1638620 -- Thinkpad R51 won't hibernate https://launchpad.net/bugs/54382