Add "gpt" to kernel parameters to ignore missing PMBR

build_image

 #!/bin/bash
 
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to build a bootable keyfob-based chromeos system image from within
 # a chromiumos setup. This assumes that all needed packages have been built into
 # the given target's root with binary packages turned on. This script will
 # build the Chrome OS image using only pre-built binary packages.
@@ skipping 458 matching lines @@
 
     # Legacy BIOS will use the kernel in the rootfs (via syslinux), as will
     # standard EFI BIOS (via grub, from the EFI System Partition). Chrome OS
     # BIOS will use a separate signed kernel partition, which we'll create now.
     # FIXME: remove serial output, debugging messages.
     cat <<'EOF' > "${OUTPUT_DIR}/config.txt"
 earlyprintk=serial,ttyS0,115200
 console=ttyS0,115200
 init=/sbin/init
 add_efi_memmap
+gpt
 boot=local
 rootwait
 root=/dev/sd%D%P
 ro
 noresume
 noswap
 i915.modeset=1
 loglevel=7
 cros_secure
 EOF
@@ skipping 125 matching lines @@
   echo "Developer image created as ${DEVELOPER_IMAGE_NAME}"
 fi
 
 print_time_elapsed
 
 echo "To copy to USB keyfob, OUTSIDE the chroot, do something like:"
 echo "  ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdX"
 echo "To convert to VMWare image, OUTSIDE the chroot, do something like:"
 echo "  ./image_to_vmware.sh --from=${OUTSIDE_OUTPUT_DIR}"
 echo "from the scripts directory where you entered the chroot."