On 2011-09-18 23:26, Skunk Worx wrote: > The LinuxPPS install Wiki says full support wasn't integrated into the > linux kernel 2.6.34, and Centos 6 is running 2.6.32. > > The kernel likely needs patching. Perhaps see http://ftp.enneenne.com/pub/misc/linuxpps/patches/tests/ntp-pps-v2.6.32-rc8.bis.diff