Ubuntu :: VFS: Cannot Open Root Device "mapper/mylaptop-root" Or Unknown-block(0,0)

Nov 5, 2010

Installed Maverick last night... the system has been working fine all day... then on a reboot tonight got the following.

RAMDISK: gzip image found at block 0
usb 1-2: new high speed usb device using ehci_hcd and address 2
uncompression error
VFS: Cannot open root device "mapper/mylaptop-root" or unknown-block(0,0)

[code]....

Then it gives the Kernel Panic

Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
Pid: 1, comm: swapper not tainted 2.6.35-22-generic #35-Ubuntu

Then a call trace...This is a brand new install of Maverick I copied my files onto a USB and did a fresh install on the whole drive using the alternate CD (the desktop and netbook editions both failed to read on my system) was previously using Karmic with no issues. I tried to e2fsck the dev/sda1 from the CD in "repair broken system" mode but the return was "clean" I read that as the file system being intact but this is an area that I have no real knowledge in.

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General :: VFS: Cannot Open Root Device "(null)" Or Unknown-block(8,1)

Apr 16, 2011

I got a problem with my kernel. The initramfs source is busybox, python and gcc from ubuntu. The busybox have i compiled it self. Python and gcc is from /usr/bin. I gonna install my kernel on a i586 machine. Old yes. On the xTerm (termial) it stand "root device 8,1).

Quote:

VFS: Cannot open root device "sda1" or unknow-block(0,0) append a correct "root=" boot option; here are the available partions: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)Pid: 1, comm: swapper Not tainted 2.6.38.3 #1

Call trace: This is my syslinux.cfg

default menu.c32
prompt 0
menu title BOOTLOADER

[code]....

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OpenSUSE Install :: VFS - Cannot Open Root Device "NULL" Or Unknown-block - 3,1

Nov 14, 2009

Currently running rc2. Downloaded 11.2 final DVD, md5sum is good, burned DVD, YaST says media check is good. (And for completeness burned a second DVD and get the same problem.)

On booting from the DVD I select "Installation" - a kernel loads and starts checking available h/w devices then crashes with the above message.

Followed by Please append a correct "root=" boot option.

Tried with root=sda1 (partition that is /) and only change is unknown-block (0,0)

My best guess is that I have EXT4 (did a clean install of RC2)? And/or I dont have a swap partition?

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Ubuntu Installation :: From A USB Flash Memory Stick - Warning "VFS: Cannot Open Root Device "sda6" Or Unknown-block(0,0)" And Kernel Panic On First Boot

Apr 24, 2011

I am trying to install Ubuntu 10.10 from a USB flash memory stick. It works fine until around 95%, where I get the following warning/error:

[Code]....

I click OK and the installer seems to finish nicely, except the terminal throws several errors along these lines (see photo):

[Code]....

I tried also with 10.04 LTS, the difference being that the install warning appears two or three times instead of once. Some results from googling (Ubuntu Forums, Ubiquity bug) suggest unchecking the initial update options. I am going to try this but I'm not sure if I'll be able to get the boot loader right (there seemed to be problems with this).

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Fedora :: Cannot Open Root Device "<NULL>" Or Unkown-block(202,17)

Jun 21, 2009

VFS: Cannot open root device "<NULL>" or unkown-block(202,17)
append a correct "root=" boot option
Kernel panic not syncing
VFS: unable to mount root FS on unkown-block(202,17)

I have a Dell xps with a dual core, 8 gigs ram, a primary hard drive with vista on it, and a secondary with linux in its future. It starts loading vmlinuz but ends up with the kernel panic before anything else. I am able to install earlier cores (5-8) and vista recognizes the ram just fine.

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General :: VFS:Cannot Open Root Device "hdxy" Or Unknow-block(0,0)

Nov 29, 2010

I got a HP LH 3000.Current OS release is RH9 2.4.20,and I wanna update it to RH9 2.6.5 While updating,I met the problem followed:

VFS:Cannot open root device "hdxy" or unknow-block(0,0)

Followed are packages I used:

device-mapper-1.00.19-2.i386.rpm
linux-2.6.5.tar.bz2
mkinitrd-4.1.18-2.i386.rpm
lvm2-2.00.25-1.01.i386.rpm
module-init-tools-3.2.tar.bz2

First I installed the mkinitrd-4.1.18-2.i386.rpm, then compiled the kernel and installed it.

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Ubuntu :: Unable To Mount Root FS On Unknown Block (8,1)?

Apr 6, 2010

I installed a update on a driver now i cant boot ubuntu. i select ubuntu,then ubuntu generic then i get this message. [ 1.772486] Kernel Panic -Not syncing :VFS: Unable to mount root FS on unknown Block (8,1)

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Red Hat :: Unable To Mount Root Fs On Unknown-block (9,1)?

Jun 23, 2010

I am trying to install RHEL 4 AS update 4, bootin from sata CD drive it is giving error Kernal panic-not syncing VFS- unable to mount root fs on unknown-block (9,1)

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Ubuntu Installation :: Unable To Mount Root FS On Unknown Block

Feb 1, 2010

Yesterday after new update I got Kernel panic - not syncing: VFS: Unable to mount root fs on unknown - block (8,2)

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Ubuntu Installation :: Unable To Mount Root Fs On Unknown-block (0,0)?

Aug 11, 2010

I have compiled a new kernel 2.6.35 and I can not boot because same error : kernel panic - Unable to mount root fs on unknown-block(0,0). i have motherboard ga-p55a-ud3r and controlleris sata .now i use channel in ACHI mode. when i change it in ide mode it boots but in low graphic mode. then i have compiled modules again with support ACHI_SATA mdoe in xconfig of kernel. but same error occur.

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Ubuntu :: No Syncing Unable To Mount Root Fs On Unknown-block?

Jan 28, 2011

i am getting the error msg as follows when i run my own kernel ,kernel panic - no syncing unable to mount root fs on unknown-blockit my pc info :ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.15, strippedWhat does this mean

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Red Hat / Fedora :: Unable To Mount Root Fs On Unknown Block?

Nov 23, 2010

i bought following server about some days ago :Supermicro X8DTi1u Super micro
2x 1TB Sata 2 i want install centos 5.5 64bit on it, i download centos 5.5 64bit from centos.org torrent link but when i want setup centos it says :kernel panic : not syncing : VFS: unable to mount root fs on unknown block(253,3)and also i set adptec raid in my bios and set raid 0 in adptec raid controller (my mainboard has onboard raid) i run any command you think like linux dd, linux all-generic-ide, linux noprobe, linux nostorage and etc but none of them does not work for ,e

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General :: Unable To Mount Root Fs On Unknown-block

Jan 13, 2010

When I boot up for Ubuntu 9.10, I get a screen that gives me a selection of what I assume are versions of Ubuntu 9.10.I get: Kernal Panic: not syncing: VFS: Unable to mount root fs on unknown-block(8,3) and the process stops. I have to turn off the computer and go back and select "2.6.31-15 generic"What is going on and what do I need to do to get back to 17 generic version?

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General :: VFS - Unable To Mount Root Fs Unknown-block - 2,0

Jan 30, 2011

I have a wind river linux installed on a IDE disk, whenever i boot it, it says:

The menu.lst file looks like this:

I want to install new kernel of wind river linux, i tried to mount usb disk but it is not working.

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Ubuntu :: Kernel Panic - Not Syncing VFS: Unable To Mount Root Fs On Unknown Block (8,1)

Feb 2, 2010

I'm using Ubuntu 9.10 through Windows 7 and got this message today...

kernel panic- not syncing VFS: unable to mount root fs on unknown block (8,1)

Is there a way to fix this? (and I'm going to need really simple instructions here)

Also I tried to uninstall ubuntu in windows 7 and then reinstall but it will not let me. it says that an error has occurred: The system cannot find the file specified stdout=

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Ubuntu :: Kernel Panic - Not Syncing - VFS - Unable To Mount Root As Fs On Unknown-block - 8,1

Feb 6, 2010

I was updating my Ubuntu 9.10 Karmic Koala when i decided that i should reboot my computer. All the downloads were done. When i rebooted it booted in normally but when it got into the kernel loading part, Linux-Bzimage and initrd loaded fine, But then Kernel Panic - not syncing : VFS: Unable to mount root as fs on unknown-block (8,1) came up. This is a wubi install also, and i have never had any troubles before.

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Ubuntu :: Kernel Panic - Not Syncing - VFS - Unable To Mount Root Fs On Unknown-block - 8,2

Mar 27, 2010

So, we had a power cut, and when I turned it back on, I got:

Quote:

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,2)

Hence, the computer won't boot.

Ubuntu is installed within windows.

I had so much data on there, How to without a re-install?

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Ubuntu :: Kernel Panic - Not Syncing: VFS: Unable To Mount Root Fs On Unknown-block

May 19, 2010

[ 0.719079] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

I was installing updates on my Ubuntu 9.10 and one of them was the upgrade to the new 10.04 LTS. So I said, okay, great! Installed the updates, upgraded my Ubuntu (even though it informed me that some packages had errors). I restarted my PC and then I get this error. I don't know what happened, but that's the error I get when I turn my PC on. Nothing else happened.

PC Specs Compaq, 32-bit processor, 2GB ram, ATI Xpress 200 graphics, Realtek soundcard. PS/2 keyboard, USB mouse. SyncMaster 920Nx flat-panel monitor.

What I did to try to fix this, regardless of it not worked:I tried resetting the BIOS. Didn't do anything. I still get the error.Tried running from CD. It didn't detect the CD or anything, I guess, because I still get the error and it didn't let me run the CD.

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Ubuntu :: Kernel Panic Not Syncing VFS Unable To Mount Root Fs On Unknown Block

Dec 8, 2010

I screwed up trying to install a new kernel Now, when I try to boot up, it says: kernel panic not syncing VFS unable to mount root fs on unknown block My system:

-encrypted LVM with encrypted home
-10.04 ubuntu system

What's the easiest/fastest way recover the documents on my encrypted home folder? I have the home folder encryption passphrase. I just want to recover and backup those documents, even if after that I have to reinstall the whole system. I have a live CD and also another 10.04 system on a second computer. I've managed to mount the hard drive in this second system and see everything on it, except the contents of the user home folder (Private). Everything I see on the internet is about encrypted home, but not top of a LVM encrypted.

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Ubuntu :: Kernel Panic - Not Syncing: VFS: Unable To Mount Root Fs On Unknown-block (0,0)?

Apr 20, 2011

I am currently running the latest version of Ubuntu (10.10 I believe) and recently installed a new, vanilla 2.6.37.1 kernel on my machine. Then, all I did was run update-grub (I'm not sure if this is correct as I am new to GRUB2 :/), rebooted and tried to boot into the new kernel, but I got the above error on boot. Does anyone know why this is happening?

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Debian Installation :: New Kernel - Unable To Mount Root FS On Unknown Block

Jul 30, 2011

I used make-kpkg to generate bzImage from 2.6.39-3-686. After update-grub and booting the new vmlinuz system. I get:

"kernel panic - not syncing:
VFS: unable to mount root fs on unknown block(0,0)".
grub.cfg shows new entry
'linux/boot/vmlinuz-2.6.39.3-686 root=/dev/sda1 ro quiet'
but previous working shows
'linux/boot/vmlinuz-2.6.32-5-686 root=UUID=210a363d-c0ed-4005-b6e8-bbc
aeb7abe54 ro quiet'

Am I missing a step? (or two?). Is it possible to do this from 2.6.32? Currently running Debian-6.0.2.1-i386-DVD-1, Squeeze, /release/current/ 20110626-15:45 on a SATA 1T hd.

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Ubuntu :: Won't Boot - Kernel Panic - Not Syncing: VFS: Unable To Mount Root Fs On Unknown-block (0,0)

Jan 12, 2010

I have an ongoing issue that I've not been able to troubleshoot. Upon bootup I get the following text and error, and it stops. ACPI: Aborted because bad gzip magic numbers MP-BIOS bug: 8254 timer not connected to IO-APIC Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0)

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Ubuntu Installation :: Kernal Panic - Not Syncing: VFS: Unable To Mount Root Fs On Unknown-block(0,0)

May 16, 2010

System:

Ubuntu 10.04 Lucid; clean install; 32bit

When booting, I can choose 2 from 2 options (ignoring recovery mode):

- Ubuntu, with Linux 2.6.32-22-generic
- Ubuntu, with Linux 2.6.32-21-generic

(and then Windows Vista and Ubuntu 9.10 a couple of times) The newer version appeared with an update from Ubuntu a couple of days after installation. When booting from the first I get the following message:

Code:

Kernal panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) When booting from the second, Ubuntu loads without a problem.

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Fedora :: Kernel Panic - Not Syncing: VFS Unable To Mount Root Fs On Unknown-block (0,0)

Jul 23, 2010

I just installed the DVD iso of Fedora 13...and did a "sudo yum update" after the installation got finished. After 3 hours of waiting, I restarted. I was greeted by Fedora with a kernel panic, right after it boots up.

Here's the message:

Code:

Kernel Panic - not syncing: VFS unable to mount root fs on unknown-block (0,0)

EDIT: Here's the content of grub.conf

Code:

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that

[code]....

What is peculiar on this grub.conf, is that the 2.6.33.6-147 boot conf is missing an initrd line...I looked in the /boot directory...and I found out that the initramfs file that matches the 2.6.33.3-147 kernel is also missing (i.e initramfs-2.6.33.3-147.fc13.i686.PAE.img).

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Fedora :: Kernel Panic - Not Syncing - VFS - Unable To Mount Root Fs On Unknown-block - 0,0

May 10, 2011

My Fedora 14 box is no longer starting. I am getting a message at startup - "Kernel panic - not syncing:

VFS: Unable to mount root fs on unknown-block(0,0)".

Unfortunately, I don't know what I did before I got the message. I mean, I have made various installations, including some kernel drivers (such as a wifi card and a sound card). Also I did need to update the kernel-devel package as a requirement for some install or other. I know that is not very helpful, but let's get to the important bit...

What does the message "Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)" mean? What has broken?

And how does on recover from it? I have been reading around, and of course I am able to boot the machine from a live CD, but I am not sure what I should do with grub.conf, what I should rebuild, how to do it and so on.

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Fedora Installation :: Kernal Panic - Not Synching - VFS - Unable To Mount Root Fs On Unknown Block - 0,0

Aug 14, 2009

I've got the following system:

Quote:

I've been having problems with the system ever since I replaced the motherboard. Moving slow and just generally acting 'wonky.' Well the other day I reached my frustration limit and wiped the HDD. Up to this point the HDD had been in 2 partitions, one for the DELL diagnostics and one for the OS, XP Pro.

I decided that I wanted to set up the system in a dual-boot during the rebuild so I created a two partitions using the Windows install. Partition one is the DELL Diagnostic partition, partition 2 is the XP Pro partition and partition 3 is to be the Linux partition. All seemed to go well with the Windows install. I got the OS up and running and got all the updates done and drivers installed.

I only have the one HDD in the system so I was going to have to make this dual-boot off of one HDD.

I had previously, within the past week or two, downloaded the .iso and created the disk for FC11.

I went through the install process and successfully installed Linux on the 3rd partition, or so I thought. When I attempted to boot into Linux I got the Kernal Panic error.

My grub file as it exists now is:

Code:

If I leave the file as is, I get the kernal panic error but the splash image works fine. If I try to change the 'splash image' and 'root' references from '(hd0,2),' then neither works.

I can boot into Windows XP from the setup as it is now.

I if I boot using my LoaS (FC 11 made at the same time as the images for the cds were downloaded) I can see the hdd and multiple partitions. There seems to be a 'boot' partion, the Linux OS partition, a swap partion, as well as the Dell and XP partions. Now I've tried changing the references in the grub file to reflect the different partitions, basically I've tried 2, 3, 4 and 5, everything but 0 (the dell diagnostics) and 1 (the XP Pro).

I've also re-wiped the HDD and started the whole process over from scratch, thinking maybe I'd hosed something up the first time, but being a firm believer in 'Always do what you've always done and you'll always get what you've always gotten,' and that one of the definitions of insanity it keep performing the same actions over and over and expect different results, I seem to be at impasse here.

Results from 'sfdisk -l'

Quote:

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Fedora :: Raid1 Kernel Panic - Not Syncing - VFS Unable To Mount Root Fs On Unknown-block - 0,0

Dec 13, 2010

I have trawled through an extensive number of post on quite a few forums without even a step forward with this.

I have a fedora 13_x64 system with software raid1 for /boot and / (md0 and md1 respectively) , swap is not raided.

I was doing an yum update through the software updater in gnome and the system froze.

I had to press reset to get any response from the machine.

Since then I have been getting the kernel panic above just after grub starts fedora.

I tried the previous kernel from the previous update and it has the same error.

At the worst I am prepared to load OS again but there is still some info and configs that I would like to access from the raid partitions before I go ahead. Is there any way to access these partitions through a live CD or rescue environment?

Is there a method to bring this install back to life? or am I looking at a reinstall?

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Fedora :: FC12 - Kernel Panic - Not Syncing: Vfs - Unable To Mount Root Fs On Unknown Block - 0,0

Feb 1, 2010

I just installed a fresh copy of Fedora Core 12 on a system. I have a 1 GB swap partition, a 20 GB root partition and a 50 GB /video partition (for a mythtv system I am building).

Installation went fine, but upon the initial boot, I get:

Kernel panic - not syncing: vfs: unable to mount root fs on unknown block (0,0)

I can boot off the FC12 cd and go to the rescue option and get to a shell, but not sure where to go from

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General :: Kernel Panic - Error: Not Syncing: VFS: Unable To Mount Root Fs On Unknown - Block (8,1)

Feb 10, 2010

i am just learning about computers and know nothing at all except how to turn it on. i just booted up linux and recieved message: [0800654] Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown - block (8,1)

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Slackware :: Kernel Panic Not Syncing: VFS: Unable To Mount Root Fs On Unknown- Block(8,4) While Booting

Jun 5, 2010

im a rookie at configuring linux and i have problem booting slackware 13.1 just installed. i get a message similar to this Kernel panic - not syncing: VFS: Unable to mount root fs on unknown- block(8,4) i got this one from another user who has a similar problem, they say i should fix lilo.conf and it actually was pointing to a wrong partition so i fixed it. i also fixed /etc/fstab to make it point to the right partition /dev/sda3. but after fixing the files, it still wants to load something in /dev/sda4, i dont know why so what should i do next, please explain with commands and not just words. edit this is my lilo.conf

# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
# Append any additional kernel parameters:
append=" vt.default_utf8=0"
boot = /dev/sda3
[Code]...

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