按照2011niumao的帖子，一步一步做出来之后，引导失败，求教 - 无忧启动论坛

######################################
# kloop by niumao #
######################################
if [ -n "$upperdir" ] && [ -n "$workdir" ]; then
### reset the value of the root variable
HOSTDEV="${ROOT}"
NEWROOT="${rootmnt}"
### auto probe the fs-type of the partition in which dir-root live and mount it /host
mkdir -p /host
if [ -e $NEWROOT$upperdir ]; then
mount --move $NEWROOT /host
else
if [ -z "$hostfstype" ]; then
hostfstype="$(blkid -s TYPE -o value "${HOSTDEV}")"
[ -z "$hostfstype" -o "${hostfstype}" = "ntfs" ] && hostfstype="ntfs-3g"
fi
[ "${hostfstype}" = "ntfs-3g" ] || modprobe ${hostfstype}
mount -t ${hostfstype} -o rw ${HOSTDEV} /host
fi
###try to boot from dir-root
modprobe overlay
if [ -z "$lowerdir" ]; then
mkdir /run/lowerdir
lowerdir="/run/lowerdir"
fi
mount -t overlay overlay -o lowerdir=$lowerdir,upperdir=/host$upperdir,workdir=/host$workdir $NEWROOT
### mount /host in initrd to /host of the realrootfs
if [ "${hosthidden}" != "y" ] ; then
[ -d "${NEWROOT}"/host ] || mkdir -p ${NEWROOT}/host
mount --move /host ${NEWROOT}/host
fi
fi
if [ -n "$squashfs" ]; then
### reset the value of the root variable
HOSTDEV="${ROOT}"
NEWROOT="${rootmnt}"
### auto probe the fs-type of the partition in which sfs-file live and mount it /host
if [ -e $NEWROOT$squashfs ]; then
mount --move $NEWROOT /host
else
if [ -z "$hostfstype" ]; then
hostfstype="$(blkid -s TYPE -o value "${HOSTDEV}")"
[ -z "$hostfstype" -o "${hostfstype}" = "ntfs" ] && hostfstype="ntfs-3g"
fi
[ "${hostfstype}" = "ntfs-3g" ] || modprobe ${hostfstype}
mount -t ${hostfstype} -o rw ${HOSTDEV} /host
fi
###try to boot from squashfs
modprobe overlay
mkdir -p /run/lowerdir /run/upperdir /run/workdir
mount /host$squashfs /run/lowerdir
mount -t overlay overlay -o lowerdir=/run/lowerdir,upperdir=/run/upperdir,workdir=/run/workdir $NEWROOT
### mount /host in initrd to /host of the realrootfs
if [ "${hosthidden}" != "y" ] ; then
[ -d "${NEWROOT}"/host ] || mkdir -p ${NEWROOT}/host
mount --move /host ${NEWROOT}/host
fi
fi
if [ -n "$kloop" ]; then
### reset the value of the root variable
HOSTDEV="${ROOT}"
NEWROOT="${rootmnt}"
[ -n "$kroot" ] && ROOT="$kroot"
[ -n "$kroot" ] || ROOT="/dev/loop0"
export ROOT
realroot="$ROOT"
### auto probe the fs-type of the partition in which vhd-file live and mount it /host
if [ -e $NEWROOT$kloop ]; then
mount --move $NEWROOT /host
else
if [ -z "$hostfstype" ]; then
hostfstype="$(blkid -s TYPE -o value "${HOSTDEV}")"
[ -z "$hostfstype" -o "${hostfstype}" = "ntfs" ] && hostfstype="ntfs-3g"
fi
[ "${hostfstype}" = "ntfs-3g" ] || modprobe ${hostfstype}
mount -t ${hostfstype} -o rw ${HOSTDEV} /host
fi
### mount the vhd-file on a loop-device
if [ "${kloop#/}" != "${kloop}" ]; then
modprobe loop
kpartx -av /host$kloop
[ -e "$realroot" ] || sleep 3
fi
### probe lvm on vhd-file
if [ -n "$klvm" ]; then
modprobe dm-mod
vgscan
vgchange -ay $klvm
[ -e "$realroot" ] || sleep 3
fi
if [ "${readonly}" = "y" ] ; then
roflag="-r"
else
roflag="-w"
fi
### mount the realroot / in vhd-file on $NEWROOT
if [ -z "${kloopfstype}" ]; then
kloopfstype="$(blkid -s TYPE -o value "$realroot")"
[ -z "${kloopfstype}" ] && kloopfstype="ext4"
fi
[ -e "$realroot" ] || sleep 3
mount ${roflag} -t "${kloopfstype}" $realroot $NEWROOT
### mount /host in initrd to /host of the realrootfs
if [ "${hosthidden}" != "y" ] ; then
[ -d "${NEWROOT}"/host ] || mkdir -p ${NEWROOT}/host
mount --move /host ${NEWROOT}/host
fi
fi
######################################
# kloop by niumao #
######################################

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if search --no-floppy -f /ubuntu/ubuntu.vhd; then
menuentry "Ubuntu" --class ubuntu {
insmod gzio
insmod part_msdos
insmod part_gpt
insmod ext2
insmod ntfs
insmod probe
set vhdfile="/ubuntu/ubuntu.vhd"
set root=(hd0,1)
search --no-floppy -f --set=aabbcc $vhdfile
set root=${aabbcc}
probe -u --set=ddeeff ${aabbcc}
linux /ubuntu/vmlinuz root=UUID=${ddeeff} kloop=$vhdfile kroot=/dev/mapper/loop0p1
initrd /ubuntu/initrd.img
}
fi

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set root=(hd0,1)

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#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
if [ x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
else
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
fi
font="/usr/share/grub/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=zh_CN
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
set timeout=30
else
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=menu
set timeout=10
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=10
fi
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30,0; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=7
else
set vt_handoff=
fi
}
if [ "${recordfail}" != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-a72e218c-b44f-4e06-8f22-bd6180c2193e' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
else
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
fi
linux /boot/vmlinuz-4.4.0-65-generic root=UUID=a72e218c-b44f-4e06-8f22-bd6180c2193e ro quiet splash $vt_handoff
initrd /boot/initrd.img-4.4.0-65-generic
}
submenu 'Ubuntu 高级选项' $menuentry_id_option 'gnulinux-advanced-a72e218c-b44f-4e06-8f22-bd6180c2193e' {
menuentry 'Ubuntu，Linux 4.4.0-65-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-65-generic-advanced-a72e218c-b44f-4e06-8f22-bd6180c2193e' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
else
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
fi
echo '载入 Linux 4.4.0-65-generic ...'
linux /boot/vmlinuz-4.4.0-65-generic root=UUID=a72e218c-b44f-4e06-8f22-bd6180c2193e ro quiet splash $vt_handoff
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-65-generic
}
menuentry 'Ubuntu, with Linux 4.4.0-65-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-65-generic-init-upstart-a72e218c-b44f-4e06-8f22-bd6180c2193e' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
else
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
fi
echo '载入 Linux 4.4.0-65-generic ...'
linux /boot/vmlinuz-4.4.0-65-generic root=UUID=a72e218c-b44f-4e06-8f22-bd6180c2193e ro quiet splash $vt_handoff init=/sbin/upstart
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-65-generic
}
menuentry 'Ubuntu, with Linux 4.4.0-65-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-65-generic-recovery-a72e218c-b44f-4e06-8f22-bd6180c2193e' {
recordfail
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
else
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
fi
echo '载入 Linux 4.4.0-65-generic ...'
linux /boot/vmlinuz-4.4.0-65-generic root=UUID=a72e218c-b44f-4e06-8f22-bd6180c2193e ro recovery nomodeset
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-65-generic
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry 'Memory test (memtest86+)' {
insmod part_msdos
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
else
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
fi
knetbsd /boot/memtest86+.elf
}
menuentry 'Memory test (memtest86+, serial console 115200)' {
insmod part_msdos
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
else
search --no-floppy --fs-uuid --set=root a72e218c-b44f-4e06-8f22-bd6180c2193e
fi
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
###############################William themes setup
insmod gfxmenu
loadfont ${prefix}/themes/ubuntu/DejaVuSans-Bold14.pf2
loadfont ${prefix}/themes/ubuntu/DejaVuSans10.pf2
loadfont ${prefix}/themes/ubuntu/DejaVuSans12.pf2
loadfont ${prefix}/themes/ubuntu/ascii.pf2
insmod png
set theme=${prefix}/themes/ubuntu/grub-theme-small.txt
export theme
##################################William themes setup
if search --no-floppy -f /vmlinuz; then
menuentry 'UBUNTU 硬盘系统' --class ubuntu {
insmod gzio
insmod part_msdos
insmod part_gpt
insmod ext2
insmod ntfs
insmod probe
set root=(hd0,1)
search --no-floppy -f --set=aabbcc /vmlinuz
set root=${aabbcc}
probe -u --set=ddeeff ${aabbcc}
linux /vmlinuz root=UUID=${ddeeff} quiet splash
initrd /initrd.img
}
fi
if search -s -f /bootmgr; then
menuentry "启动硬盘Windows7,8 " --class windows {
insmod part_msdos
insmod ntfs
insmod fat
set root=(hd0,1)
search -s -f /bootmgr
ntldr /bootmgr
}
fi
if search -s -f /ntldr; then
menuentry "启动硬盘Windowsxp" --class windows {
insmod part_msdos
insmod ntfs
insmod fat
set root=(hd0,1)
search -s -f /ntldr
ntldr /ntldr
}
fi
if search -s -f /grldr; then
menuentry "启动grub4dos" --class windows {
insmod ntfs
insmod fat
set root=(hd0,1)
search -s -f /grldr
ntldr /grldr
}
fi
menuentry "REBOOT " --class reboot {
reboot
}
menuentry "HALT " --class halt {
halt
}
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###

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mount -t ntfs-3g -o rw /dev/sdb2 /host

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mkdir -p /hos

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### auto probe the fs-type of the partition in which vhd-file live and mount it /host
mkdir -p /host

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