Thanks for the update. This indicates an Ubuntu sauce patch is the cause of the regression.
To confirm this, can you test the v3.13.11-ckt39 upstream kernel? This is the kernel Ubuntu 3.13.0-101 is based on: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.11-ckt39-trusty/ -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
