My linux Mint 17 Cinnamon has run into a grub rescue> situation after trying to play a video online.
The ls command produces the following:
(hd0), (hd0,msdos3), (hd0,msdos2), (hd0,msdos1), (hd1), (hd1,msdos2) and (hd1,msdos1)
I tested all 7 possibilities with the commands recommended online
set boot= (hdX,Y)/boot/grub
set prefix= (hdX,Y)/boot/grub
insmod normal
normal
6 of them resulted in "error: unknown filesystem" BUT the (hd0,msdos3) showed "error: file boot/grub/i386-pc/normal.mod not found".
After booting with the original Linux Mint 17 "Qiana" - Cinnamon (64-bit)
installation CD, Gparted shows this:
/dev/sda1 - unknown - boot (about 28Gb)
/dev/sda2 - linux-swap (about 9.5 Gb)
/dev/sda3 - ext4 (about 112 Gb)
and a message 'unable to detect file system" and listing possible reasons.
Personal data is all there.
Looking at this drive with Gparted on my other Mint 17 system, I get similar result,
only the the partitions are called /dev/sdb1 through 3.
QUESTION:
Which of the drive/partition names do I need to use in the commands
set boot= (hdX,Y)/boot/grub and
set prefix= (hdX,Y)/boot/grub
etc....?
Bootinfoscript Results.txt:
Code:
Boot Info Script 0.61
============================= Boot Info Summary: ===============================
=> Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector
13507584 of the same hard drive for core.img, but core.img can not be
found at this location.
=> Grub2 (v1.99) is installed in the MBR of /dev/sdb and looks at sector 1 of
the same hard drive for core.img. core.img is at this location and looks
in partition 112 for .
sda1: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Linux Mint 17 Qiana
Boot files: /boot/grub/grub.cfg /etc/fstab
sda2: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
sda3: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sda4: __________________________________________________________________________
File system: vfat
Boot sector type: FAT32
Boot sector info: According to the info in the boot sector, sda4 starts
at sector 0. But according to the info from fdisk,
sda4 starts at sector 46716928.
Operating System:
Boot files: /efi/ubuntu/grubx64.efi /efi/ubuntu/MokManager.efi
/efi/ubuntu/shimx64.efi
sdb1: __________________________________________________________________________
File system:
Boot sector type: -
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
sdb2: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sdb3: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
============================ Drive/Partition Info: =============================
Drive: sda _____________________________________________________________________
Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 1 234,441,647 234,441,647 ee GPT
GUID Partition Table detected.
Partition Start Sector End Sector # of Sectors System
/dev/sda1 2,048 46,701,266 46,699,219 Data partition (Linux)
/dev/sda2 46,815,232 234,440,703 187,625,472 Data partition (Linux)
/dev/sda3 46,702,592 46,716,927 14,336 Swap partition (Linux)
/dev/sda4 46,716,928 46,815,231 98,304 EFI System partition
Drive: sdb _____________________________________________________________________
Disk /dev/sdb: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sdb1 * 2,048 60,000,255 59,998,208 83 Linux
/dev/sdb2 60,000,256 80,001,023 20,000,768 82 Linux swap / Solaris
/dev/sdb3 80,001,024 312,580,095 232,579,072 83 Linux
"blkid" output: ________________________________________________________________
Device UUID TYPE LABEL
/dev/sda1 63a6db40-aabd-456d-a595-e8ef75e68565 ext4
/dev/sda2 7e4a63b3-b698-489f-9ee2-9c7a859be888 ext4
/dev/sda3 2b9c8fff-9500-4c75-be8f-305b96bb4321 swap
/dev/sda4 384E-FB82 vfat
/dev/sdb2 a34ef38f-846f-43a5-9ccf-d1f24c314c9a swap
/dev/sdb3 84ea9d51-ceb2-4cc0-9749-4662ea764fac ext4
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/sda1 / ext4 (rw,errors=remount-ro)
/dev/sda2 /media/georgina/7e4a63b3-b698-489f-9ee2-9c7a859be888 ext4 (rw,nosuid,nodev,uhelper=udisks2)
/dev/sda4 /boot/efi vfat (rw)
/dev/sdb3 /media/georgina/84ea9d51-ceb2-4cc0-9749-4662ea764fac ext4 (rw,nosuid,nodev,uhelper=udisks2)
=========================== sda1/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 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
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 63a6db40-aabd-456d-a595-e8ef75e68565
else
search --no-floppy --fs-uuid --set=root 63a6db40-aabd-456d-a595-e8ef75e68565
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=hidden
set timeout=0
# Fallback hidden-timeout code in case the timeout_style feature is
# unavailable.
elif sleep --interruptible 0 ; then
set timeout=0
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
### 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 [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "$linux_gfx_mode" != "text" ]; then load_video; fi
menuentry 'Linux Mint 17 Cinnamon 64-bit, 3.13.0-24-generic (/dev/sda1)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
gfxmode $linux_gfx_mode
insmod gzio
insmod part_gpt
insmod ext2
set root='hd0,gpt1'
if [ x$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 63a6db40-aabd-456d-a595-e8ef75e68565
else
search --no-floppy --fs-uuid --set=root 63a6db40-aabd-456d-a595-e8ef75e68565
fi
linux /boot/vmlinuz-3.13.0-24-generic root=UUID=63a6db40-aabd-456d-a595-e8ef75e68565 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.13.0-24-generic
}
menuentry 'Linux Mint 17 Cinnamon 64-bit, 3.13.0-24-generic (/dev/sda1) -- recovery mode' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod gzio
insmod part_gpt
insmod ext2
set root='hd0,gpt1'
if [ x$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 63a6db40-aabd-456d-a595-e8ef75e68565
else
search --no-floppy --fs-uuid --set=root 63a6db40-aabd-456d-a595-e8ef75e68565
fi
echo 'Loading Linux 3.13.0-24-generic ...'
linux /boot/vmlinuz-3.13.0-24-generic root=UUID=63a6db40-aabd-456d-a595-e8ef75e68565 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.13.0-24-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/10_lupin ###
### END /etc/grub.d/10_lupin ###
### 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 ###
### 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 ###
--------------------------------------------------------------------------------
=============================== sda1/etc/fstab: ================================
--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sde1 during installation
UUID=63a6db40-aabd-456d-a595-e8ef75e68565 / ext4 errors=remount-ro 0 1
# /boot/efi was on /dev/sde4 during installation
UUID=384E-FB82 /boot/efi vfat defaults 0 1
# swap was on /dev/sde3 during installation
UUID=2b9c8fff-9500-4c75-be8f-305b96bb4321 none swap sw 0 0
--------------------------------------------------------------------------------
=================== sda1: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
========= Devices which don't seem to have a corresponding hard drive: =========
sdc sdd sde sdf
=============================== StdErr Messages: ===============================
cat: /tmp/BootInfo-wzcyeacp/Tmp_Log: No such file or directory
No volume groups found
Grub rescue> question
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