Felix,

Thank you for following up.
 
> what is output from
> 
>       # 
# cat /proc/cmdline
placeholder root=/dev/mapper/mycomp--vg-root ro initrd=/install/gtk/initrd.gz 
quiet

 
> what is output from
> 
>       # fbset
# fbset
bash: fbset: command not found

 
> Is your desired desktop result persisting across reboots?
This is interesting.  It is persistent for the user this was setup under.  The 
other users have not changed to 1920x1080.  Note, root has 1920x1080 desktop 
from the original session shell command.  Note 2, the boot paramters for 
1290x1080 have been removed.


> Pastebin your current /boot/grub/grub.cfg

# cat /boot/grub/grub.cfg
#
# 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 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$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod lvm
insmod ext2
set 
root='lvmid/zdQL0Z-RLB5-BQfF-G9pl-k1DK-crrL-RlIP5a/jksGDx-tjSk-o6Ri-neGR-Hh8t-lpVF-vfXcZ6'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root 
--hint='lvmid/zdQL0Z-RLB5-BQfF-G9pl-k1DK-crrL-RlIP5a/jksGDx-tjSk-o6Ri-neGR-Hh8t-lpVF-vfXcZ6'
  a9b6175b-77e2-4a39-ad51-6de45fb11cb5
else
  search --no-floppy --fs-uuid --set=root a9b6175b-77e2-4a39-ad51-6de45fb11cb5
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=en_US
  insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
  set timeout=-1
else
  if [ x$feature_timeout_style = xy ] ; then
    set timeout_style=menu
    set timeout=3
  # Fallback normal timeout code in case the timeout_style feature is
  # unavailable.
  else
    set timeout=3
  fi
fi
play 480 440 1
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_msdos
insmod lvm
insmod ext2
set 
root='lvmid/zdQL0Z-RLB5-BQfF-G9pl-k1DK-crrL-RlIP5a/jksGDx-tjSk-o6Ri-neGR-Hh8t-lpVF-vfXcZ6'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root 
--hint='lvmid/zdQL0Z-RLB5-BQfF-G9pl-k1DK-crrL-RlIP5a/jksGDx-tjSk-o6Ri-neGR-Hh8t-lpVF-vfXcZ6'
  a9b6175b-77e2-4a39-ad51-6de45fb11cb5
else
  search --no-floppy --fs-uuid --set=root a9b6175b-77e2-4a39-ad51-6de45fb11cb5
fi
insmod png
if background_image /usr/share/images/desktop-base/lines-grub.png; then
  set color_normal=white/black
  set color_highlight=black/white
else
  set menu_color_normal=cyan/blue
  set menu_color_highlight=white/blue
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/08_linux_xen ###
menuentry 'Debian GNU/Linux, with Xen hypervisor' --class debian --class 
gnu-linux --class gnu --class os --class xen $menuentry_id_option 
'xen-gnulinux-simple-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos1'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 
--hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
        else
          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
        fi
        echo    'Loading Xen 4.4-amd64 ...'
        if [ "$grub_platform" = "pc" -o "$grub_platform" = "" ]; then
            xen_rm_opts=
        else
            xen_rm_opts="no-real-mode edd=off"
        fi
        multiboot       /xen-4.4-amd64.gz placeholder   ${xen_rm_opts}
        echo    'Loading Linux 3.16.0-4-amd64 ...'
        module  /vmlinuz-3.16.0-4-amd64 placeholder 
root=/dev/mapper/mycomp--vg-root ro initrd=/install/gtk/initrd.gz quiet
        echo    'Loading initial ramdisk ...'
        module  --nounzip   /initrd.img-3.16.0-4-amd64
}
submenu 'Advanced options for Debian GNU/Linux (with Xen hypervisor)' 
$menuentry_id_option 'gnulinux-advanced-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
        submenu 'Xen hypervisor, version 4.4-amd64' $menuentry_id_option 
'xen-hypervisor-4.4-amd64-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                menuentry 'Debian GNU/Linux, with Xen 4.4-amd64 and Linux 
3.16.0-4-amd64' --class debian --class gnu-linux --class gnu --class os --class 
xen $menuentry_id_option 
'xen-gnulinux-3.16.0-4-amd64-advanced-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                        insmod part_msdos
                        insmod ext2
                        set root='hd0,msdos1'
                        if [ x$feature_platform_search_hint = xy ]; then
                          search --no-floppy --fs-uuid --set=root 
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        else
                          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        fi
                        echo    'Loading Xen 4.4-amd64 ...'
                        if [ "$grub_platform" = "pc" -o "$grub_platform" = "" 
]; then
                            xen_rm_opts=
                        else
                            xen_rm_opts="no-real-mode edd=off"
                        fi
                        multiboot       /xen-4.4-amd64.gz placeholder   
${xen_rm_opts}
                        echo    'Loading Linux 3.16.0-4-amd64 ...'
                        module  /vmlinuz-3.16.0-4-amd64 placeholder 
root=/dev/mapper/mycomp--vg-root ro initrd=/install/gtk/initrd.gz quiet
                        echo    'Loading initial ramdisk ...'
                        module  --nounzip   /initrd.img-3.16.0-4-amd64
                }
                menuentry 'Debian GNU/Linux, with Xen 4.4-amd64 and Linux 
3.16.0-4-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu 
--class os --class xen $menuentry_id_option 
'xen-gnulinux-3.16.0-4-amd64-recovery-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                        insmod part_msdos
                        insmod ext2
                        set root='hd0,msdos1'
                        if [ x$feature_platform_search_hint = xy ]; then
                          search --no-floppy --fs-uuid --set=root 
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        else
                          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        fi
                        echo    'Loading Xen 4.4-amd64 ...'
                        if [ "$grub_platform" = "pc" -o "$grub_platform" = "" 
]; then
                            xen_rm_opts=
                        else
                            xen_rm_opts="no-real-mode edd=off"
                        fi
                        multiboot       /xen-4.4-amd64.gz placeholder  
${xen_rm_opts}
                        echo    'Loading Linux 3.16.0-4-amd64 ...'
                        module  /vmlinuz-3.16.0-4-amd64 placeholder 
root=/dev/mapper/mycomp--vg-root ro single initrd=/install/gtk/initrd.gz
                        echo    'Loading initial ramdisk ...'
                        module  --nounzip   /initrd.img-3.16.0-4-amd64
                }
        }
        submenu 'Xen hypervisor, version 4.4-amd64.efi' $menuentry_id_option 
'xen-hypervisor-4.4-amd64.efi-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                menuentry 'Debian GNU/Linux, with Xen 4.4-amd64.efi and Linux 
3.16.0-4-amd64' --class debian --class gnu-linux --class gnu --class os --class 
xen $menuentry_id_option 
'xen-gnulinux-3.16.0-4-amd64-advanced-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                        insmod part_msdos
                        insmod ext2
                        set root='hd0,msdos1'
                        if [ x$feature_platform_search_hint = xy ]; then
                          search --no-floppy --fs-uuid --set=root 
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        else
                          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        fi
                        echo    'Loading Xen 4.4-amd64.efi ...'
                        if [ "$grub_platform" = "pc" -o "$grub_platform" = "" 
]; then
                            xen_rm_opts=
                        else
                            xen_rm_opts="no-real-mode edd=off"
                        fi
                        multiboot       /xen-4.4-amd64.efi placeholder   
${xen_rm_opts}
                        echo    'Loading Linux 3.16.0-4-amd64 ...'
                        module  /vmlinuz-3.16.0-4-amd64 placeholder 
root=/dev/mapper/mycomp--vg-root ro initrd=/install/gtk/initrd.gz quiet
                        echo    'Loading initial ramdisk ...'
                        module  --nounzip   /initrd.img-3.16.0-4-amd64
                }
                menuentry 'Debian GNU/Linux, with Xen 4.4-amd64.efi and Linux 
3.16.0-4-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu 
--class os --class xen $menuentry_id_option 
'xen-gnulinux-3.16.0-4-amd64-recovery-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                        insmod part_msdos
                        insmod ext2
                        set root='hd0,msdos1'
                        if [ x$feature_platform_search_hint = xy ]; then
                          search --no-floppy --fs-uuid --set=root 
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        else
                          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
                        fi
                        echo    'Loading Xen 4.4-amd64.efi ...'
                        if [ "$grub_platform" = "pc" -o "$grub_platform" = "" 
]; then
                            xen_rm_opts=
                        else
                            xen_rm_opts="no-real-mode edd=off"
                        fi
                        multiboot       /xen-4.4-amd64.efi placeholder  
${xen_rm_opts}
                        echo    'Loading Linux 3.16.0-4-amd64 ...'
                        module  /vmlinuz-3.16.0-4-amd64 placeholder 
root=/dev/mapper/mycomp--vg-root ro single initrd=/install/gtk/initrd.gz
                        echo    'Loading initial ramdisk ...'
                        module  --nounzip   /initrd.img-3.16.0-4-amd64
                }
        }
}

### END /etc/grub.d/08_linux_xen ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
        set gfxpayload="${1}"
}
set linux_gfx_mode=
export linux_gfx_mode
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class gnu 
--class os $menuentry_id_option 
'gnulinux-simple-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
        load_video
        insmod gzio
        if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos1'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 
--hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
        else
          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
        fi
        echo    'Loading Linux 3.16.0-4-amd64 ...'
        linux   /vmlinuz-3.16.0-4-amd64 root=/dev/mapper/mycomp--vg-root ro 
initrd=/install/gtk/initrd.gz quiet
        echo    'Loading initial ramdisk ...'
        initrd  /initrd.img-3.16.0-4-amd64
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option 
'gnulinux-advanced-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
        menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-amd64' --class debian 
--class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-3.16.0-4-amd64-advanced-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                load_video
                insmod gzio
                if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; 
fi
                insmod part_msdos
                insmod ext2
                set root='hd0,msdos1'
                if [ x$feature_platform_search_hint = xy ]; then
                  search --no-floppy --fs-uuid --set=root 
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
                else
                  search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
                fi
                echo    'Loading Linux 3.16.0-4-amd64 ...'
                linux   /vmlinuz-3.16.0-4-amd64 
root=/dev/mapper/mycomp--vg-root ro initrd=/install/gtk/initrd.gz quiet
                echo    'Loading initial ramdisk ...'
                initrd  /initrd.img-3.16.0-4-amd64
        }
        menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-amd64 (recovery mode)' 
--class debian --class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-3.16.0-4-amd64-recovery-a9b6175b-77e2-4a39-ad51-6de45fb11cb5' {
                load_video
                insmod gzio
                if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; 
fi
                insmod part_msdos
                insmod ext2
                set root='hd0,msdos1'
                if [ x$feature_platform_search_hint = xy ]; then
                  search --no-floppy --fs-uuid --set=root 
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
                else
                  search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
                fi
                echo    'Loading Linux 3.16.0-4-amd64 ...'
                linux   /vmlinuz-3.16.0-4-amd64 
root=/dev/mapper/mycomp--vg-root ro single initrd=/install/gtk/initrd.gz
                echo    'Loading initial ramdisk ...'
                initrd  /initrd.img-3.16.0-4-amd64
        }
}

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

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos1'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 
--hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
        else
          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
        fi
        linux16 /memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos1'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 
--hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
        else
          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
        fi
        linux16 /memtest86+.bin console=ttyS0,115200n8
}
menuentry "Memory test (memtest86+, experimental multiboot)" {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos1'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 
--hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
        else
          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
        fi
        multiboot       /memtest86+_multiboot.bin
}
menuentry "Memory test (memtest86+, serial console 115200, experimental 
multiboot)" {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos1'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 
--hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1  
4c9659eb-cae9-4a32-b155-8fd958a59d62
        else
          search --no-floppy --fs-uuid --set=root 
4c9659eb-cae9-4a32-b155-8fd958a59d62
        fi
        multiboot       /memtest86+_multiboot.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Debian GNU/Linux (8.2) (on 
/dev/mapper/xenvg-test01--pv--guest--disk)' --class gnu-linux --class gnu 
--class os $menuentry_id_option 
'osprober-gnulinux-simple-8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b' {
        insmod part_msdos
        insmod lvm
        insmod ext2
        set 
root='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root 
--hint='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
  8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
        else
          search --no-floppy --fs-uuid --set=root 
8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
        fi
        linux /boot/vmlinuz-3.16.0-4-amd64 root=/dev/xvda2 ro elevator=noop
        initrd /boot/initrd.img-3.16.0-4-amd64
}
submenu 'Advanced options for Debian GNU/Linux (8.2) (on 
/dev/mapper/xenvg-test01--pv--guest--disk)' $menuentry_id_option 
'osprober-gnulinux-advanced-8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b' {
        menuentry 'Debian GNU/Linux 8 (on 
/dev/mapper/xenvg-test01--pv--guest--disk)' --class gnu-linux --class gnu 
--class os $menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-amd64--8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b'
 {
                insmod part_msdos
                insmod lvm
                insmod ext2
                set 
root='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
                if [ x$feature_platform_search_hint = xy ]; then
                  search --no-floppy --fs-uuid --set=root 
--hint='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
  8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                else
                  search --no-floppy --fs-uuid --set=root 
8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                fi
                linux /boot/vmlinuz-3.16.0-4-amd64 root=/dev/xvda2 ro 
elevator=noop
                initrd /boot/initrd.img-3.16.0-4-amd64
        }
        menuentry 'Debian GNU/Linux 8 (Single-User) (on 
/dev/mapper/xenvg-test01--pv--guest--disk)' --class gnu-linux --class gnu 
--class os $menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-amd64-root=/dev/xvda2 ro single 
elevator=noop-8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b' {
                insmod part_msdos
                insmod lvm
                insmod ext2
                set 
root='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
                if [ x$feature_platform_search_hint = xy ]; then
                  search --no-floppy --fs-uuid --set=root 
--hint='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
  8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                else
                  search --no-floppy --fs-uuid --set=root 
8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                fi
                linux /boot/vmlinuz-3.16.0-4-amd64 root=/dev/xvda2 ro single 
elevator=noop
                initrd /boot/initrd.img-3.16.0-4-amd64
        }
        menuentry 'Debian GNU/Linux 8 (Default Kernel) (on 
/dev/mapper/xenvg-test01--pv--guest--disk)' --class gnu-linux --class gnu 
--class os $menuentry_id_option 
'osprober-gnulinux-/vmlinuz--8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b' {
                insmod part_msdos
                insmod lvm
                insmod ext2
                set 
root='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
                if [ x$feature_platform_search_hint = xy ]; then
                  search --no-floppy --fs-uuid --set=root 
--hint='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
  8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                else
                  search --no-floppy --fs-uuid --set=root 
8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                fi
                linux /vmlinuz root=/dev/xvda2 ro elevator=noop
                initrd /initrd.img
        }
        menuentry 'Debian GNU/Linux 8 (Default Kernel, Single-User) (on 
/dev/mapper/xenvg-test01--pv--guest--disk)' --class gnu-linux --class gnu 
--class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-root=/dev/xvda2 ro 
single elevator=noop-8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b' {
                insmod part_msdos
                insmod lvm
                insmod ext2
                set 
root='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
                if [ x$feature_platform_search_hint = xy ]; then
                  search --no-floppy --fs-uuid --set=root 
--hint='lvmid/V8TyT4-9Ofw-c3lr-Z2Q7-3zmN-aPDY-OFZ977/nAaq9S-Wxwn-VIzJ-2iGV-lpdt-RFj2-UUSxCq'
  8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                else
                  search --no-floppy --fs-uuid --set=root 
8cc7085a-f55f-4c4d-b1fe-a0c06dbe128b
                fi
                linux /vmlinuz root=/dev/xvda2 ro single elevator=noop
                initrd /initrd.img
        }
}

### END /etc/grub.d/30_os-prober ###

### 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.
### 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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