I can confirm this problem in Kubuntu 14.04 on two kernels: vmlinuz-3.13.0-103-generic-efi.signed, in 14.04 vmlinuz-3.13.0-105-generic-efi.signed, in 14.04
(The details of my test are in the thread Rod Smith cited: https://www.kubuntuforums.net/showthread.php?71204-Cannot-load-latest-kernels&p=396267&viewfull=1#post396267 -- I have no problem booting the kernel vmlinuz-3.13.0-100-generic-efi.signed, in 14.04 directly by UEFI using stub loader (on an ASUS H97-PLUS motherboard).) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1649326 Title: EFI stub loader broken in kernel 3.13.0-101-generic (& later in 3.13 series) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1649326/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs