Recebi um erro Kernel Panic após atualizar o servidor Ubuntu. Depois de passar o menu do GRUB, recebi o seguinte erro.
Eu tenho hospedado um mediawiki nesse servidor que não está armazenado em backup. Eu não quero perder esses dados.
Kernel Panic - not syncing: VFS Unable to mount Root is on unknown-block(0,0)
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-62-generic #102~precise1-Ubuntu
Hardware name: Dell Computer Corporation OptiPlex GX260 /OptiPlex GX260 , BIOS A)@ 07/25/2002
00000000 00000000 df437ec8 c16886a4 df437f14 df437eec c167d9da c187a7c4
c1b06c20 00000004 8eafa96c df437f14 fffffffa df72b000 df437f44 c1a0af88
c1868994 df437f14 df437f14 fffffffa 00000000 dfe5f560 c1868358 df72b000
Eu reparo chuva de inicialização, mas não ajudou link
Eu tentei aplicar a correção em postagem 41930 e tive problemas.
sudo fdisk -l
Disk /dev/loop0: 628.7 MiB, 659222528 bytes, 1287544 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 /dev/sda: 18.7 GiB, 20020396032 bytes, 39102336 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
Disklabel type: dos
Disk identifier: 0x000cca65
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 499711 497664 243M 83 Linux
/dev/sda2 501758 39100415 38598658 18.4G 5 Extended
/dev/sda5 501760 39100415 38598656 18.4G 8e Linux LVM
Disk /dev/mapper/LDPubuntu--vg-root: 17.9 GiB, 19222495232 bytes, 37543936 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 /dev/mapper/LDPubuntu--vg-swap_1: 512 MiB, 536870912 bytes, 1048576 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 /dev/sdb: 3.7 GiB, 3942645760 bytes, 7700480 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
Disklabel type: dos
Disk identifier: 0x1f80e0a4
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 7700479 7698432 3.7G b W95 FAT32
Disk /dev/zram0: 246.5 MiB, 258420736 bytes, 63091 sectors
Units: sectors of 1 * 4096 = 4096 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Então os problemas começaram ...
lubuntu@lubuntu:~$ sudo mount /dev/sda1 /mnt
lubuntu@lubuntu:~$ sudo mount --bind /dev /mnt/dev
mount: mount point /mnt/dev does not exist
lubuntu@lubuntu:~$ sudo mount --bind /proc /mnt/proc
mount: mount point /mnt/proc does not exist
lubuntu@lubuntu:~$ sudo mount --bind /sys /mnt/sys
mount: mount point /mnt/sys does not exist
lubuntu@lubuntu:~$ sudo mount --bind /run /mnt/run
mount: mount point /mnt/run does not exist
lubuntu@lubuntu:~$ sudo chroot /mnt
chroot: failed to run command ‘/bin/bash’: No such file or directory
lubuntu@lubuntu:~$ dpkg --list | grep linux-image
ii linux-image-3.19.0-15-generic 3.19.0-15.15 i386 Linux kernel image for version 3.19.0 on 32 bit x86 SMP
ii linux-image-extra-3.19.0-15-generic 3.19.0-15.15 i386 Linux kernel extra modules for version 3.19.0 on 32 bit x86 SMP
ii linux-image-generic 3.19.0.15.14 i386 Generic Linux kernel image
O que devo tentar em seguida?