Grub 2 проблемы, спасайте!

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/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
  load_env
fi
set default="0"
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 ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ext2
set root='(hd0,3)'
search --no-floppy --fs-uuid --set ac9cf5b4-1072-4a43-a4d3-289c9310c869
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=640x480
  insmod gfxterm
  insmod vbe
  if terminal_output gfxterm ; then true ; else
    # For backward compatibility with versions of terminal.mod that don't
    # understand terminal_output
    terminal gfxterm
  fi
fi
insmod ext2
set root='(hd0,3)'
search --no-floppy --fs-uuid --set ac9cf5b4-1072-4a43-a4d3-289c9310c869
set locale_dir=($root)/boot/grub/locale
set lang=ru
insmod gettext
if [ ${recordfail} = 1 ]; then
  set timeout=-1
else
  set timeout=10
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
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Ubuntu, с Linux 2.6.34-020634-generic' --class ubuntu --class gnu-linux --class gnu --class os {
	recordfail
	insmod ext2
	set root='(hd0,3)'
	search --no-floppy --fs-uuid --set ac9cf5b4-1072-4a43-a4d3-289c9310c869
	linux	/boot/vmlinuz-2.6.34-020634-generic root=UUID=ac9cf5b4-1072-4a43-a4d3-289c9310c869 ro   quiet splash
	initrd	/boot/initrd.img-2.6.34-020634-generic
}
menuentry 'Ubuntu, с Linux 2.6.34-020634-generic (режим восстановления)' --class ubuntu --class gnu-linux --class gnu --class os {
	recordfail
	insmod ext2
	set root='(hd0,3)'
	search --no-floppy --fs-uuid --set ac9cf5b4-1072-4a43-a4d3-289c9310c869
	echo	'Загружается Linux 2.6.34-020634-generic ...'
	linux	/boot/vmlinuz-2.6.34-020634-generic root=UUID=ac9cf5b4-1072-4a43-a4d3-289c9310c869 ro single 
	echo	'Загружается начальный ramdisk ...'
	initrd	/boot/initrd.img-2.6.34-020634-generic
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
	insmod ext2
	set root='(hd0,3)'
	search --no-floppy --fs-uuid --set ac9cf5b4-1072-4a43-a4d3-289c9310c869
	linux16	/boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
	insmod ext2
	set root='(hd0,3)'
	search --no-floppy --fs-uuid --set ac9cf5b4-1072-4a43-a4d3-289c9310c869
	linux16	/boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###


menuentry "Mac OS X (64-bit) (on /dev/sda2)" {
	insmod hfsplus
	set root='(hd0,2)'
	search --no-floppy --fs-uuid --set 53775c2c1e591ceb
        insmod vbe
        set do_resume=0
        if [ /var/vm/sleepimage -nt10 / ]; then
           if xnu_resume /var/vm/sleepimage; then
             set do_resume=1
           fi
        fi
        if [ $do_resume == 0 ]; then
           xnu_uuid 53775c2c1e591ceb uuid
           if [ -f /Extra/DSDT.aml ]; then
              acpi -e /Extra/DSDT.aml
           fi
           xnu_kernel64 /mach_kernel boot-uuid=${uuid} rd=*uuid
           if [ /System/Library/Extensions.mkext -nt /System/Library/Extensions ]; then
              xnu_mkext /System/Library/Extensions.mkext
           else
              xnu_kextdir /System/Library/Extensions
           fi
           if [ -f /Extra/Extensions.mkext ]; then
              xnu_mkext /Extra/Extensions.mkext
           fi
           if [ -d /Extra/Extensions ]; then
              xnu_kextdir /Extra/Extensions
           fi
           if [ -f /Extra/devprop.bin ]; then
              xnu_devprop_load /Extra/devprop.bin
           fi
           if [ -f /Extra/splash.jpg ]; then
              insmod jpeg
              xnu_splash /Extra/splash.jpg
           fi
           if [ -f /Extra/splash.png ]; then
              insmod png
              xnu_splash /Extra/splash.png
           fi
           if [ -f /Extra/splash.tga ]; then
              insmod tga
              xnu_splash /Extra/splash.tga
           fi
        fi
}
menuentry "Windows 7 (loader) (on /dev/sdb4)" {
	insmod ntfs
	set root='(hd1,4)'
	search --no-floppy --fs-uuid --set 40e6a5490ad5b1f0
	chainloader +1
}
### END /etc/grub.d/30_os-prober ###

### 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.
### END /etc/grub.d/40_custom ###

sudo gedit /etc/grub.d/40_custom

menuentry "Chameleon (on /dev/sda2)" {
        insmod hfsplus
	set root='(hd0,2)
        search --no-floppy --fs-uuid --set 53775c2c1e591ceb
        chainloader +1
}

sudo update-grub2