I see similar behavior in a fresh installed Ubuntu 14.04. My root is on md (+ crypto) but the symtoms are exactly the same. I attached dmesg output and a bootchart plot.
uname -a
Linux jan-home 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
I see similar behavior in a fresh installed Ubuntu 14.04. My root is on md (+ crypto) but the symtoms are exactly the same. I attached dmesg output and a bootchart plot.
uname -a
Linux jan-home 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux