Same here, I have Sony Vaio SVT131A11V, dualboot Ubuntu 14.04 and rarely Windows 8.1.
With Secure Boot enabled I get the error:
/EndEntire file path: /ACPI(a0341d0,0)/PCI(2,1f)/SATA(1,8000,0)/HD(....)/File(\EFI\Microsoft\Boot)/File(bootmgfw.efi)/EndEntire error: cannot load image.
Same here, I have Sony Vaio SVT131A11V, dualboot Ubuntu 14.04 and rarely Windows 8.1.
With Secure Boot enabled I get the error:
/EndEntire 0)/PCI( 2,1f)/SATA( 1,8000, 0)/HD(. ...)/File( \EFI\Microsoft\ Boot)/File( bootmgfw. efi)/EndEntire
file path: /ACPI(a0341d0,
error: cannot load image.