Something happened recently in an update that’s rendered my system unbootable - am
currently booted into an old (4.0.4) kernel after messing around with the boot parameters
(specifically setting ROOT=/dev/sda7 and removing rhgb and other things).
Does anyone have any suggestions as to what it might be?
/etc/fstab is
LABEL=/ / ext4 defaults 1 1
#LABEL=/boot /boot ext4 defaults 1 2
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
LABEL=/download /download ext4 defaults 1 2
LABEL=/home /home ext4 defaults 1 2
proc /proc proc defaults 0 0
sysfs /sys sysfs defaults 0 0
LABEL=/tmp /tmp ext4 defaults 1 2
LABEL=/usr /usr ext4 defaults 1 2
LABEL=/var /var ext4 defaults 1 2
LABEL=/swap swap swap defaults 0 0
LABEL=backup /mnt/backup ext4 rw,noauto,user,async 0 0
and grub2/grub.cfg is
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="${saved_entry}"
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$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$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 05006296-9a57
-4322-8d1f-2c5298bac14e
else
search --no-floppy --fs-uuid --set=root 05006296-9a57-4322-8d1f-2c5298bac14e
fi
font="/share/grub/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_GB
insmod gettext
fi
terminal_output gfxterm
set timeout=5
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Fedora (4.1.5-200.fc22.x86_64) 22 (Twenty Two)' --class fedora --class
gnu-linux --class gnu --class os --unrestricted $
menuentry_id_option 'gnulinux-simple-ad2acd30-8497-459c-9ba3-f250d7bea2aa' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7
--hint-baremetal=ahci0,msdos7 ad2ac
d30-8497-459c-9ba3-f250d7bea2aa
else
search --no-floppy --fs-uuid --set=root ad2acd30-8497-459c-9ba3-f250d7bea2aa
fi
linux /boot/vmlinuz-4.1.5-200.fc22.x86_64 root=LABEL=/ ro quiet rhgb biosdevname=0
ipv6.disable=1 LANG=en_GB.UTF-8
initrd /boot/initramfs-4.1.5-200.fc22.x86_64.img
}
menuentry 'Fedora (4.1.5-200.fc22.x86_64+debug) 22 (Twenty Two)' --class fedora
--class gnu-linux --class gnu --class os --unrestri
cted $menuentry_id_option 'gnulinux-simple-ad2acd30-8497-459c-9ba3-f250d7bea2aa'
{
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7
--hint-baremetal=ahci0,msdos7 ad2ac
d30-8497-459c-9ba3-f250d7bea2aa
else
search --no-floppy --fs-uuid --set=root ad2acd30-8497-459c-9ba3-f250d7bea2aa
fi
linux /boot/vmlinuz-4.1.5-200.fc22.x86_64+debug root=LABEL=/ ro quiet rhgb biosdevname=0
ipv6.disable=1 LANG=en_GB.UTF-8
initrd /boot/initramfs-4.1.5-200.fc22.x86_64+debug.img
}
menuentry 'Fedora (4.1.4-200.fc22.x86_64) 22 (Twenty Two)' --class fedora --class
gnu-linux --class gnu --class os --unrestricted $
menuentry_id_option 'gnulinux-simple-ad2acd30-8497-459c-9ba3-f250d7bea2aa' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7
--hint-baremetal=ahci0,msdos7 ad2ac
d30-8497-459c-9ba3-f250d7bea2aa
else
search --no-floppy --fs-uuid --set=root ad2acd30-8497-459c-9ba3-f250d7bea2aa
fi
linux /boot/vmlinuz-4.1.4-200.fc22.x86_64 root=LABEL=/ ro quiet rhgb biosdevname=0
ipv6.disable=1 LANG=en_GB.UTF-8
initrd /boot/initramfs-4.1.4-200.fc22.x86_64.img
}
menuentry 'Fedora (4.0.4-301.fc22.x86_64) 22 (Twenty Two)' --class fedora --class
gnu-linux --class gnu --class os --unrestricted $
menuentry_id_option 'gnulinux-simple-ad2acd30-8497-459c-9ba3-f250d7bea2aa' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7
--hint-baremetal=ahci0,msdos7 ad2ac
d30-8497-459c-9ba3-f250d7bea2aa
else
search --no-floppy --fs-uuid --set=root ad2acd30-8497-459c-9ba3-f250d7bea2aa
fi
linux /boot/vmlinuz-4.0.4-301.fc22.x86_64 root=LABEL=/ ro quiet rhgb biosdevname=0
ipv6.disable=1 LANG=en_GB.UTF-8
initrd /boot/initramfs-4.0.4-301.fc22.x86_64.img
}
menuentry 'Fedora (4.1.4-200.fc22.x86_64+debug) 22 (Twenty Two)' --class fedora
--class gnu-linux --class gnu --class os --unrestri
cted $menuentry_id_option 'gnulinux-simple-ad2acd30-8497-459c-9ba3-f250d7bea2aa'
{
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7
--hint-baremetal=ahci0,msdos7 ad2ac
d30-8497-459c-9ba3-f250d7bea2aa
else
search --no-floppy --fs-uuid --set=root ad2acd30-8497-459c-9ba3-f250d7bea2aa
fi
linux /boot/vmlinuz-4.1.4-200.fc22.x86_64+debug root=LABEL=/ ro quiet rhgb biosdevname=0
ipv6.disable=1 LANG=en_GB.UTF-8
initrd /boot/initramfs-4.1.4-200.fc22.x86_64+debug.img
}
menuentry 'Fedora (4.1.3-200.fc22.x86_64+debug) 22 (Twenty Two)' --class fedora
--class gnu-linux --class gnu --class os --unrestri
cted $menuentry_id_option 'gnulinux-simple-ad2acd30-8497-459c-9ba3-f250d7bea2aa'
{
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7
--hint-baremetal=ahci0,msdos7 ad2ac
d30-8497-459c-9ba3-f250d7bea2aa
else
search --no-floppy --fs-uuid --set=root ad2acd30-8497-459c-9ba3-f250d7bea2aa
fi
linux /boot/vmlinuz-4.1.3-200.fc22.x86_64+debug root=LABEL=/ ro quiet rhgb biosdevname=0
ipv6.disable=1 LANG=en_GB.UTF-8
initrd /boot/initramfs-4.1.3-200.fc22.x86_64+debug.img
}
submenu 'Advanced options for Fedora' $menuentry_id_option
'gnulinux-advanced-ad2acd30-8497-459c-9ba3-f250d7bea2aa' {
menuentry 'Fedora, with Linux 0-rescue-1fa2b48a0bc75d861c6bf000457e6e3c' --class
fedora --class gnu-linux --class gnu --cla
ss os --unrestricted $menuentry_id_option
'gnulinux-0-rescue-1fa2b48a0bc75d861c6bf000457e6e3c-advanced-ad2acd30-8497-459c-9ba3-f250
d7bea2aa' {
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7
--hint-baremetal=ahci0,msdos
7 ad2acd30-8497-459c-9ba3-f250d7bea2aa
else
search --no-floppy --fs-uuid --set=root ad2acd30-8497-459c-9ba3-f250d7bea2aa
fi
linux /boot/vmlinuz-0-rescue-1fa2b48a0bc75d861c6bf000457e6e3c
root=UUID=ad2acd30-8497-459c-9ba3-f250d7bea2aa ro q
uiet rhgb biosdevname=0 ipv6.disable=1
initrd /boot/initramfs-0-rescue-1fa2b48a0bc75d861c6bf000457e6e3c.img
}
}
### 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_ppc_terminfo ###
### END /etc/grub.d/20_ppc_terminfo ###
### BEGIN /etc/grub.d/30_os-prober ###
### 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 ###
### 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 ###
and