I have tried disabling legacy usb , Please let me know of any solution . http://www.heypasteit.com/clip/0U0P
closed as not a real question by Mitch♦, user68186, stephenmyall, Uri Herrera, Basharat Sialvi Jun 7 '13 at 2:48
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Please check your network devices:
[ 12.491283] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 41.079282] ADDRCONF(NETDEV_UP): eth0: link is not ready
Accoring to this some ethernet port is not connected and delays the boot process.