I have had a multi-boot scenario working for months. I have 3 drives, I installed Windows 7 to sda with it's own EFI boot partition over a year ago, then unplugged sda while I partitioned nvme0np for linux with it's own ESP, several /, and a /DATA and swap, then sdb is partitioned but unused at this point. Linux Mint 17.3 KDE is my main OS and last install to nvme0np, preceded by KDE neon 5.8, Fedora 25, and openSUSE 42.2.
Grub has been controlled by LM17.3 including the windows 7 option to boot there along with the others. All was working fine UNTIL, I tried to boot a non EFI USB stick, I think it was Tails for testing, I changed a firmware setting for Boot\CSM\Boot Device Control from <UEFI only> to <UEFI and Legacy OPROM>. This allowed me to boot the USB fine. I then booted back into LM 17.3 and all was good. At some point I went to do a specific task in Windows and I received this error and then grub goes back to my grub menu with all selections available after about 30 seconds with the Win selection erroring ad nauseum if chosen:
Code: Select all
error: failure reading sector 0xfc from 'hd3'.
error: failure reading sector 0xe0 from 'hd3'.
error: failure reading sector 0x0 from 'hd3'.
error: failure reading sector 0xfc from 'hd4'.
error: failure reading sector 0xe0 from 'hd4'.
error: failure reading sector 0x0 from 'hd4'.
error: failure reading sector 0xfc from 'hd3'.
error: failure reading sector 0xe0 from 'hd3'.
error: failure reading sector 0x0 from 'hd3'.
error: failure reading sector 0xfc from 'hd4'.
error: failure reading sector 0xe0 from 'hd4'.
error: failure reading sector 0x0 from 'hd4'.
error: no such device: F055-BB96.
error: file '/efi/Microsoft/Boot/bootmgfw.efi' not found.
Press any key to continue..._
I did some research and found some things to look at, but I don't see what the issue is or how to correct it. In the research I used a few commands at the terminal as follows:
sudo blkid
Code: Select all
/dev/nvme0n1p1: UUID="B403-2304" TYPE="vfat"
/dev/nvme0n1p2: UUID="74099c04-6b7a-403c-944e-ce2eba57e7a2" TYPE="ext4"
/dev/nvme0n1p3: UUID="30c57934-3aca-4e2f-8035-45ba8e5abde2" TYPE="ext4"
/dev/nvme0n1p4: UUID="c620b565-3f19-4cb6-a32a-452060505520" UUID_SUB="17917326-f4e0-46ae-bd08-f85563b1c54f" TYPE="btrfs"
/dev/nvme0n1p5: UUID="1557ed4f-6fdd-4916-8975-5f8a90d51d01" TYPE="ext4"
/dev/nvme0n1p6: LABEL="/DATA" UUID="d4ebe458-1bce-43d0-bcef-904a4ae1e46b" TYPE="ext4"
/dev/nvme0n1p7: UUID="61b6fc73-04d3-44e6-8567-ac42525f92fa" TYPE="swap"
/dev/sda1: LABEL="casper-rw" UUID="7749cfc2-508a-4530-80bf-32593dec4a2e" SEC_TYPE="ext2" TYPE="ext3"
/dev/sda3: UUID="34F07FB9F07F8042" TYPE="ntfs"
/dev/sdb1: UUID="a87c9e27-016a-4039-94d1-13ced0841e09" TYPE="ext4"
/dev/sdb2: UUID="0d8bfae7-e910-40b8-ba9d-85df10d510bc" TYPE="ext4"
/dev/sdb3: UUID="84d7274b-ffd3-40d6-8f56-8c828d2be339" TYPE="ext4"
/dev/sdb4: UUID="f8d3cdd2-65aa-412f-b6fa-09b73c2d0c38" TYPE="ext4"
/dev/sdb5: UUID="3da646e7-d879-4909-b4c6-2b09f20ab373" TYPE="ext4"
/dev/sdb6: UUID="d4ebba46-a955-4bfc-93b3-84eeb58ac72d" TYPE="ext4"
/dev/sdb7: LABEL="/DATA" UUID="395fd9fe-fa4b-4d01-b3e5-7079c093ea83" TYPE="ext4"
Code: Select all
WARNING: GPT (GUID Partition Table) detected on '/dev/nvme0n1'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/nvme0n1: 512.1 GB, 512110190592 bytes
255 heads, 63 sectors/track, 62260 cylinders, total 1000215216 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/nvme0n1p1 1 1000215215 500107607+ ee GPT
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sda: 480.1 GB, 480103981056 bytes
256 heads, 63 sectors/track, 58141 cylinders, total 937703088 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x60b55255
Device Boot Start End Blocks Id System
/dev/sda1 1 4294967295 2147483647+ ee GPT
WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdb: 480.1 GB, 480103981056 bytes
255 heads, 63 sectors/track, 58369 cylinders, total 937703088 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000574a7
Device Boot Start End Blocks Id System
/dev/sdb1 1 937703087 468851543+ ee GPT
cat /boot/grub/grub.cfg
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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_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
else
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
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 [ "${recordfail}" = 1 ] ; then
set timeout=30
else
if [ x$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 ###
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
else
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
fi
insmod jpeg
if background_image /boot/grub/kLdeLSm.jpg; then
true
else
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 0,0,0; then
clear
fi
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/06_mint_theme ###
set menu_color_normal=white/black
set menu_color_highlight=white/light-gray
### END /etc/grub.d/06_mint_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${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 'Linux Mint 17.3 KDE 64-bit' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-74099c04-6b7a-403c-944e-ce2eba57e7a2' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
else
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
fi
linux /boot/vmlinuz-3.19.0-32-generic root=UUID=74099c04-6b7a-403c-944e-ce2eba57e7a2 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.19.0-32-generic
}
submenu 'Advanced options for Linux Mint 17.3 KDE 64-bit' $menuentry_id_option 'gnulinux-advanced-74099c04-6b7a-403c-944e-ce2eba57e7a2' {
menuentry 'Linux Mint 17.3 KDE 64-bit, with Linux 3.19.0-32-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.19.0-32-generic-advanced-74099c04-6b7a-403c-944e-ce2eba57e7a2' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
else
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
fi
echo 'Loading Linux 3.19.0-32-generic ...'
linux /boot/vmlinuz-3.19.0-32-generic root=UUID=74099c04-6b7a-403c-944e-ce2eba57e7a2 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.19.0-32-generic
}
menuentry 'Linux Mint 17.3 KDE 64-bit, with Linux 3.19.0-32-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.19.0-32-generic-recovery-74099c04-6b7a-403c-944e-ce2eba57e7a2' {
recordfail
load_video
insmod gzio
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
else
search --no-floppy --fs-uuid --set=root 74099c04-6b7a-403c-944e-ce2eba57e7a2
fi
echo 'Loading Linux 3.19.0-32-generic ...'
linux /boot/vmlinuz-3.19.0-32-generic root=UUID=74099c04-6b7a-403c-944e-ce2eba57e7a2 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.19.0-32-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+ ###
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'KDE neon User Edition 5.9 (16.04) (on /dev/nvme0n1p3)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-30c57934-3aca-4e2f-8035-45ba8e5abde2' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
else
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
fi
linux /boot/vmlinuz-4.4.0-62-generic.efi.signed root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro quiet splash $vt_handoff
initrd /boot/initrd.img-4.4.0-62-generic
}
submenu 'Advanced options for KDE neon User Edition 5.9 (16.04) (on /dev/nvme0n1p3)' $menuentry_id_option 'osprober-gnulinux-advanced-30c57934-3aca-4e2f-8035-45ba8e5abde2' {
menuentry 'neon GNU/Linux (on /dev/nvme0n1p3)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.4.0-62-generic.efi.signed--30c57934-3aca-4e2f-8035-45ba8e5abde2' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
else
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
fi
linux /boot/vmlinuz-4.4.0-62-generic.efi.signed root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro quiet splash $vt_handoff
initrd /boot/initrd.img-4.4.0-62-generic
}
menuentry 'neon GNU/Linux, with Linux 4.4.0-62-generic (on /dev/nvme0n1p3)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.4.0-62-generic.efi.signed--30c57934-3aca-4e2f-8035-45ba8e5abde2' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
else
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
fi
linux /boot/vmlinuz-4.4.0-62-generic.efi.signed root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro quiet splash $vt_handoff
initrd /boot/initrd.img-4.4.0-62-generic
}
menuentry 'neon GNU/Linux, with Linux 4.4.0-62-generic (recovery mode) (on /dev/nvme0n1p3)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.4.0-62-generic.efi.signed-root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro recovery nomodeset-30c57934-3aca-4e2f-8035-45ba8e5abde2' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
else
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
fi
linux /boot/vmlinuz-4.4.0-62-generic.efi.signed root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro recovery nomodeset
initrd /boot/initrd.img-4.4.0-62-generic
}
menuentry 'neon GNU/Linux, with Linux 4.4.0-59-generic (on /dev/nvme0n1p3)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.4.0-59-generic--30c57934-3aca-4e2f-8035-45ba8e5abde2' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
else
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
fi
linux /boot/vmlinuz-4.4.0-59-generic root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro quiet splash $vt_handoff
initrd /boot/initrd.img-4.4.0-59-generic
}
menuentry 'neon GNU/Linux, with Linux 4.4.0-59-generic (recovery mode) (on /dev/nvme0n1p3)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.4.0-59-generic-root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro recovery nomodeset-30c57934-3aca-4e2f-8035-45ba8e5abde2' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
else
search --no-floppy --fs-uuid --set=root 30c57934-3aca-4e2f-8035-45ba8e5abde2
fi
linux /boot/vmlinuz-4.4.0-59-generic root=UUID=30c57934-3aca-4e2f-8035-45ba8e5abde2 ro recovery nomodeset
initrd /boot/initrd.img-4.4.0-59-generic
}
}
menuentry 'Fedora release 25 (Twenty Five) (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-1557ed4f-6fdd-4916-8975-5f8a90d51d01' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
else
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
fi
linux /boot/vmlinuz-0-rescue-2ce68a284c5347ae898cdea8b7d1a64e root=/dev/nvme0n1p5
initrd /boot/initramfs-0-rescue-2ce68a284c5347ae898cdea8b7d1a64e.img
}
submenu 'Advanced options for Fedora release 25 (Twenty Five) (on /dev/nvme0n1p5)' $menuentry_id_option 'osprober-gnulinux-advanced-1557ed4f-6fdd-4916-8975-5f8a90d51d01' {
menuentry 'Fedora release 25 (Twenty Five) (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-0-rescue-2ce68a284c5347ae898cdea8b7d1a64e--1557ed4f-6fdd-4916-8975-5f8a90d51d01' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
else
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
fi
linux /boot/vmlinuz-0-rescue-2ce68a284c5347ae898cdea8b7d1a64e root=/dev/nvme0n1p5
initrd /boot/initramfs-0-rescue-2ce68a284c5347ae898cdea8b7d1a64e.img
}
menuentry 'Fedora release 25 (Twenty Five) (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.8.6-300.fc25.x86_64--1557ed4f-6fdd-4916-8975-5f8a90d51d01' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
else
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
fi
linux /boot/vmlinuz-4.8.6-300.fc25.x86_64 root=/dev/nvme0n1p5
initrd /boot/initramfs-4.8.6-300.fc25.x86_64.img
}
menuentry 'Fedora release 25 (Twenty Five) (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.9.6-200.fc25.x86_64--1557ed4f-6fdd-4916-8975-5f8a90d51d01' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
else
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
fi
linux /boot/vmlinuz-4.9.6-200.fc25.x86_64 root=/dev/nvme0n1p5
initrd /boot/initramfs-4.9.6-200.fc25.x86_64.img
}
menuentry 'Fedora release 25 (Twenty Five) (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-4.9.9-200.fc25.x86_64--1557ed4f-6fdd-4916-8975-5f8a90d51d01' {
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
else
search --no-floppy --fs-uuid --set=root 1557ed4f-6fdd-4916-8975-5f8a90d51d01
fi
linux /boot/vmlinuz-4.9.9-200.fc25.x86_64 root=/dev/nvme0n1p5
initrd /boot/initramfs-4.9.9-200.fc25.x86_64.img
}
}
menuentry 'Windows Boot Manager (on /dev/sda1)' --class windows --class os $menuentry_id_option 'osprober-efi-F055-BB96' {
insmod part_gpt
insmod fat
set root='hd0,gpt1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt1 --hint-efi=hd0,gpt1 --hint-baremetal=ahci0,gpt1 F055-BB96
else
search --no-floppy --fs-uuid --set=root F055-BB96
fi
chainloader /efi/Microsoft/Boot/bootmgfw.efi
}
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
set timeout=10
fi
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
menuentry 'System setup' $menuentry_id_option 'uefi-firmware' {
fwsetup
}
### 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 ###
Does anyone have a helpful hint to get this corrected? Thanks in advance for your time!