There are a ton of these in there...
Feb 13 11:08:14 ubuntu kernel: [14207.080764] ACPI: EC: non-query interrupt received, switching to interrupt mode
Feb 13 11:08:14 ubuntu kernel: [14207.296043] uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Feb 13 11:08:14 ubuntu kernel: [14207.296088] usb usb1: root hub lost power or was reset Feb 13 11:08:14 ubuntu kernel: [14207.296120] uhci_hcd 0000:00:1a.1: PCI INT B -> GSI 21 (level, low) -> IRQ 21 Feb 13 11:08:14 ubuntu kernel: [14207.296164] usb usb2: root hub lost power or was reset Feb 13 11:08:14 ubuntu kernel: [14207.296178] uhci_hcd 0000:00:1a.2: PCI INT C -> GSI 19 (level, low) -> IRQ 19 Feb 13 11:08:14 ubuntu kernel: [14207.296227] usb usb3: root hub lost power or was reset Feb 13 11:08:14 ubuntu kernel: [14207.312096] ehci_hcd 0000:00:1a.7: PCI INT C -> GSI 19 (level, low) -> IRQ 19 Feb 13 11:08:14 ubuntu kernel: [14207.328143] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 Feb 13 11:08:14 ubuntu kernel: [14207.416677] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23 Feb 13 11:08:14 ubuntu kernel: [14207.416731] usb usb5: root hub lost power or was reset Feb 13 11:08:14 ubuntu kernel: [14207.416750] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 Feb 13 11:08:14 ubuntu kernel: [14207.416799] usb usb6: root hub lost power or was reset Feb 13 11:08:14 ubuntu kernel: [14207.416815] uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18 Feb 13 11:08:14 ubuntu kernel: [14207.416867] usb usb7: root hub lost power or was reset Feb 13 11:08:14 ubuntu kernel: [14207.432024] ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23 Feb 13 11:08:14 ubuntu kernel: [14207.448307] NVRM: RmPowerManagement: 5
...which I find worrisome. Please disconnect all USB devices from your computer and see if it still takes as long to boot.
Also, there are a lot of lines in there indicating that your computer is awakening from a sleep state. I was assuming that you are saying it is slow booting from a fresh reboot. Am I mistaken?