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I recently upgraded linux from 3.17 to 3.18 and now whenever I try to boot I get a kernel panic. I have tried booting from a live-usb and arch-chroot and downgrading linux, mkinitcpio -p linux, and grub-mkconfig. None of this has helped at all.
Thanks for the help.
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Say a little more about this recent upgrade. What kernel are you using? The regular version in the core repo was upgraded to 3.18 in December...so how recent was your upgrade? How much else was upgraded? Which versions exactly did you upgrade from, upgrade to, and then downgrade to? Give us more specifics to work with.
"We may say most aptly, that the Analytical Engine weaves algebraical patterns just as the Jacquard-loom weaves flowers and leaves." - Ada Lovelace
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I was on 3.17 upgraded to the newest kernel on core which was 3.18. I also upgrade the linux-headers to the most recent and downgraded that as well but to 3.16 (would that cause this?). When I noticed I couldn't boot I then downgraded the kernel back to 3.17. But even when I downgrade the kernel with arch-chroot and reboot, linux tells me its running 3.18.
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Are you doing partial upgrades?
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I did but I just did pacman -Syu and upgraded everything and still got the error.
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Is there anything in the journal relating to the issue? Without more diagnostic material, it is not reallt possible to offer much in the way of help...
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Nope nothing in the journal because systemd is not even running. But thanks anyway.
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You could give us more info. Maybe a photo of the kernel panic you see or the first few lines? Your lsblk, fstab, mkinit conf, bootloader conf, pacman log... anything.
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kernel panic
https://i.imgur.com/c1lrRLX.jpg
lsblk from the live-usb
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 111.8G 0 disk
├─sda1 8:1 0 1K 0 part
├─sda2 8:2 0 100M 0 part
├─sda3 8:3 0 102.9G 0 part
├─sda4 8:4 0 6.2G 0 part
└─sda5 8:5 0 2.7G 0 part
sdb 8:16 0 931.5G 0 disk
├─sdb1 8:17 0 128M 0 part
├─sdb2 8:18 0 922.2G 0 part
└─sdb3 8:19 0 9.2G 0 part
sdc 8:32 0 1.8T 0 disk
├─sdc1 8:33 0 1M 0 part
├─sdc2 8:34 0 107M 0 part
├─sdc3 8:35 0 1.2T 0 part /root/fs
└─sdc4 8:36 0 675.1G 0 part
sdd 8:48 0 1.8T 0 disk
└─sdd1 8:49 0 1.8T 0 part
sde 8:64 1 7.5G 0 disk
├─sde1 8:65 1 577M 0 part /run/archiso/bootmnt
└─sde2 8:66 1 31M 0 part
loop0 7:0 0 248.5M 1 loop /run/archiso/sfs/airootfs
loop1 7:1 0 32G 1 loop
└─arch_airootfs 254:0 0 32G 0 dm /
loop2 7:2 0 256M 0 loop
└─arch_airootfs 254:0 0 32G 0 dm /
fstab
UUID=52e50959-2e59-442d-9c03-d06aa068b375 /boot ext4 rw,defaults,noatime,discard 0 0
UUID=98bac235-fd48-46f7-b7f4-83c3a28fa64b / ext4 rw,defaults,noatime,discard 0 1
tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0
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 ###
insmod part_gpt
insmod part_msdos
if [ -s $prefix/grubenv ]; then
load_env
fi
set default="0"
if [ x"${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,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 ad4103fa-d940-47ca-8506-301d8071d467
else
search --no-floppy --fs-uuid --set=root ad4103fa-d940-47ca-8506-301d8071d467
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_input console
terminal_output gfxterm
set timeout=5
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Arch Linux, with Linux core repo kernel' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-core repo kernel-true-ad4103fa-d940-47ca-8506-301d8071d467' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 ad4103fa-d940-47ca-8506-301d8071d467
else
search --no-floppy --fs-uuid --set=root ad4103fa-d940-47ca-8506-301d8071d467
fi
echo 'Loading Linux core repo kernel ...'
linux /boot/vmlinuz-linux root=UUID=ad4103fa-d940-47ca-8506-301d8071d467 rw quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux.img
}
menuentry 'Arch Linux, with Linux core repo kernel (Fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-core repo kernel-fallback-ad4103fa-d940-47ca-8506-301d8071d467' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 ad4103fa-d940-47ca-8506-301d8071d467
else
search --no-floppy --fs-uuid --set=root ad4103fa-d940-47ca-8506-301d8071d467
fi
echo 'Loading Linux core repo kernel ...'
linux /boot/vmlinuz-linux root=UUID=ad4103fa-d940-47ca-8506-301d8071d467 rw quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux-fallback.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_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/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 ###
-- mod edit: read the Forum Etiquette and only post thumbnails http://wiki.archlinux.org/index.php/For … s_and_Code [jwr] --
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None of the UUIDs in your fstab correspond to Grub entries...
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Have you tried passing the init option to the bootloader?
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