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ioapic 2 has no mapping

Hi, booting up fedora 20 live from usb stick on a retina apple crap book pro first displays a message "Secure boot not enabled" followed by

[Firmware Bug]: ioapic 2 has no mapping iommu, interrupt remapping will be disabled. 
pci 0000:00:01.0: ASPM: Could not configure common clock
i915 0000:00:02.0: Invalid ROM contents irq 17: nobody cared (try booting with the "irqpoll" option)

How can the 'irqpoll' option be set? Any other ideas how to get fedora 20 to boot on a retina crap book pro? Thanks

ioapic 2 has no mapping

Hi, booting up fedora 20 live from usb stick on a retina apple crap book pro first displays a message "Secure boot not enabled" followed by

[Firmware Bug]: ioapic 2 has no mapping iommu, interrupt remapping will be disabled. 
pci 0000:00:01.0: ASPM: Could not configure common clock
i915 0000:00:02.0: Invalid ROM contents irq 17: nobody cared (try booting with the "irqpoll" option)

How can the 'irqpoll' option be set? Any other ideas how to get fedora 20 to boot on a retina crap book pro? Thanks

ioapic 2 has no mapping

Hi, booting up fedora 20 live from usb stick on a retina apple crap book pro first displays a message "Secure boot not enabled" followed by

[Firmware Bug]: ioapic 2 has no mapping iommu, interrupt remapping will be disabled. 
pci 0000:00:01.0: ASPM: Could not configure common clock
i915 0000:00:02.0: Invalid ROM contents irq 17: nobody cared (try booting with the "irqpoll" option)

How can the 'irqpoll' option be set? Any other ideas how to get fedora 20 to boot on a retina crap book pro? Thanks