kernel panic after fresh install
Rajinder Yadav
devguy.ca-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Sat Nov 6 16:37:34 UTC 2010
Guys I am having a problem after a fresh installed of Xubuntu 10.10 on
my old server. I get a kernel panic, the 1st line of the message says:
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
Here is a copy of the boot info script output, can someone tell me how I
might be able to get my system to bootup? I am able to boot into my
system and mount my root / filesystem.
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary:
==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same
drive in
partition #1 for (,msdos1)/boot/grub.
sda1:
_________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.10
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sda2:
_________________________________________________________________________
File system: Extended Partition
Boot sector type: Unknown
Boot sector info:
sda5:
_________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
=========================== Drive/Partition Info:
=============================
Drive: sda ___________________
_____________________________________________________
Disk /dev/sda: 30.8 GB, 30758289408 bytes
255 heads, 63 sectors/track, 3739 cylinders, total 60074784 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sda1 * 2,048 59,887,615 59,885,568 83 Linux
/dev/sda2 59,889,662 60,073,983 184,322 5 Extended
/dev/sda5 59,889,664 60,073,983 184,320 82 Linux swap
/ Solaris
blkid -c /dev/null:
____________________________________________________________
Device UUID TYPE LABEL
/dev/sda1 54f645ad-c340-4618-9657-39ceade647a7 ext4 root
/dev/sda2: PTTYPE="dos"
/dev/sda5 8a9cba64-836f-4bff-abc0-46d53200658d swap
/dev/sda: PTTYPE="dos"
============================ "mount | grep ^/dev output:
===========================
Device Mount_Point Type Options
/dev/sda1 / ext4
(rw,relatime,errors=remount-ro,barrier=1,data=ordered)
/dev/scd0 /media/cdrom iso9660 (ro,relatime)
=========================== 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 $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${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 "${boot_once}" ]; then
save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
}
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 54f645ad-c340-4618-9657-39ceade647a7
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 54f645ad-c340-4618-9657-39ceade647a7
set locale_dir=($root)/boot/grub/locale
set lang=C.UTF-8
insmod gettext
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Ubuntu, with Linux 2.6.35-22-generic' --class ubuntu --class
gnu-linux --class gnu --class os {
recordfail
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 54f645ad-c340-4618-9657-39ceade647a7
linux /boot/vmlinuz-2.6.35-22-generic
root=UUID=54f645ad-c340-4618-9657-39ceade647a7 ro quiet splash
initrd /boot/initrd.img-2.6.35-22-generic
}
menuentry 'Ubuntu, with Linux 2.6.35-22-generic (recovery mode)' --class
ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 54f645ad-c340-4618-9657-39ceade647a7
echo 'Loading Linux 2.6.35-22-generic ...'
linux /boot/vmlinuz-2.6.35-22-generic
root=UUID=54f645ad-c340-4618-9657-39ceade647a7 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.35-22-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 54f645ad-c340-4618-9657-39ceade647a7
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 54f645ad-c340-4618-9657-39ceade647a7
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
if [ "x${timeout}" != "x-1" ]; then
if keystatus; then
if keystatus --shift; then
set timeout=-1
else
set timeout=0
fi
else
if sleep --interruptible 3 ; then
set timeout=0
fi
fi
fi
### 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 $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
=============================== sda1/etc/fstab:
===============================
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda1 during installation
UUID=54f645ad-c340-4618-9657-39ceade647a7 / ext4
errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
UUID=8a9cba64-836f-4bff-abc0-46d53200658d none swap sw
0 0
=================== sda1: Location of files loaded by Grub:
===================
10.8GB: boot/grub/core.img
10.8GB: boot/grub/grub.cfg
.4GB: boot/initrd.img-2.6.35-22-generic
10.8GB: boot/vmlinuz-2.6.35-22-generic
.4GB: initrd.img
10.8GB: vmlinuz
=========================== Unknown MBRs/Boot Sectors/etc
=======================
Unknown BootLoader on sda2
00000000 a4 ff 8b 54 24 54 89 14 24 ff d0 84 c0 74 b8 8b
|...T$T..$....t..|
00000010 4c 24 78 8b 01 89 0c 24 ff 90 c8 00 00 00 8b 4c
|L$x....$.......L|
00000020 24 70 8b 11 8b 4c 24 74 89 44 24 0c 8b 44 24 48
|$p...L$t.D$..D$H|
00000030 89 4c 24 04 89 44 24 08 8b 44 24 70 89 04 24 ff
|.L$..D$..D$p..$.|
00000040 92 94 00 00 00 83 c4 5c 5b 5e 5f 5d c3 8b 54 24
|.......\[^_]..T$|
00000050 70 8b 02 89 14 24 ff 90 90 00 00 00 89 44 24 58
|p....$.......D$X|
00000060 e9 f9 fd ff ff 90 8d 76 00 8d bc 27 00 00 00 00
|.......v...'....|
00000070 83 ec 4c 89 74 24 40 8b 74 24 54 89 5c 24 3c 89
|..L.t$@.t$T.\$<.|
00000080 7c 24 44 89 6c 24 48 8b 06 e8 39 a9 a5 ff 81 c3
||$D.l$H...9.....|
00000090 8e 39 74 00 89 34 24 ff 90 d8 05 00 00 89 44 24
|.9t..4$.......D$|
000000a0 34 8b 06 89 34 24 ff 90 e0 05 00 00 89 44 24 38
|4...4$.......D$8|
000000b0 8b 06 89 34 24 ff 90 e8 05 00 00 89 c5 8b 06 89
|...4$...........|
000000c0 34 24 ff 90 f0 05 00 00 89 c7 8b 06 89 34 24 ff
|4$...........4$.|
000000d0 90 d0 05 00 00 89 7c 24 1c 89 6c 24 18 89 34 24
|......|$..l$..4$|
000000e0 89 44 24 2c 8b 44 24 6c 89 44 24 28 8b 44 24 68
|.D$,.D$l.D$(.D$h|
000000f0 89 44 24 24 8b 44 24 64 89 44 24 20 8b 44 24 38 |.D$$.D$d.D$
.D$8|
00000100 89 44 24 14 8b 44 24 34 89 44 24 10 8b 44 24 60
|.D$..D$4.D$..D$`|
00000110 89 44 24 0c 8b 44 24 5c 89 44 24 08 8b 44 24 58
|.D$..D$\.D$..D$X|
00000120 89 44 24 04 e8 7b 1c a5 ff 8b 5c 24 3c 8b 74 24
|.D$..{....\$<.t$|
00000130 40 8b 7c 24 44 8b 6c 24 48 83 c4 4c c3 90 66 90
|@.|$D.l$H..L..f.|
00000140 55 57 56 53 e8 7e a8 a5 ff 81 c3 d3 38 74 00 83
|UWVS.~......8t..|
00000150 ec 5c 8b 83 c0 c2 ff ff 89 04 24 e8 74 91 a3 ff
|.\........$.t...|
00000160 8b b3 40 5f ff ff 89 34 24 e8 46 f0 a3 ff 89 44
|.. at _...4$.F....D|
00000170 24 3c 89 04 24 e8 ca 83 a5 ff 89 34 24 e8 32 f0
|$<..$......4$.2.|
00000180 a3 ff 89 c5 89 04 24 e8 b8 83 a5 ff 8b 54 24 70
|......$......T$p|
00000190 8b 02 89 14 24 ff 90 bc 03 00 00 89 34 24 89 44
|....$.......4$.D|
000001a0 24 58 e8 0d f0 a3 ff 89 44 24 38 89 04 24 e8 91
|$X......D$8..$..|
000001b0 83 a5 ff 8b 4c 24 70 8b 01 89 0c 24 ff 50 00 fe
|....L$p....$.P..|
000001c0 ff ff 82 fe ff ff 02 00 00 00 00 d0 02 00 00 00
|................|
000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|................|
*
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa
|..............U.|
00000200
--
Kind Regards,
Rajinder Yadav | DevMentor.org | Do Good! ~ Share Freely
GNU/Linux: 2.6.35-22-generic
Kubuntu x86_64 10.10 | KDE 4.5.1
Ruby 1.9.2p0 | Rails 3.0.1
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