456dbd74af9c54a0348afe7628146ecec8ae9c8d  http://build.planet-lab.org/third-party/kernel-2.6.32-19.el6.src.rpm
b17d45d7218fa5027c2b14278f6fe297b56352d8  http://www.cs.princeton.edu/~caglar/patch-2.6.32-19.el6-vs2.3.0.36.29.4.diff