Ubuntu Installation :: Power Failure During Upgrade To Lynx - Kernel Panic?

May 2, 2010

I learned yesterday that doing a massive upgrade on my system while moving was a BAAAD idea.The upgrade process was going along just fine, it was all downloaded and was actually installing that last time I saw it. I unplugged my laptop to move a bookcase out, and completely forgot to plug it back in. After I got back from moving a load, I found my computer was off. I tried to boot up, and I got an error that kind of freaked me out. It reads as follows:

Code:kernel panic not syncing vfs unable to mount root fs on unknown-block(0,0)I'm able to get to grub just fine, and my windows partition loads up just fine, but any of the linux kernels fail similarly when I attempt to load them.I'm sure that I can fix this, I just have no idea how. Probably has something to do with a live cd.

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Ubuntu Installation :: Power Failure While Upgrade From 9.10 To 10.04?

Aug 21, 2010

I was upgrading my ubuntu(9.10)/xp machine to ubuntu(10.4)/xp . but there was a power failure and was running in backup for 15 min. But after that the system shutdown automatically. Now when i boot, grub appears and after selecting the ubuntu partition i get a error saying cannot find device.

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Ubuntu Installation :: Power Failure During Kernel Update - How To Recover

Sep 12, 2010

I was updating the kernel and left the computer to let it do its business. There was power failure and I don't know if the update completed or if it was in the middle of it. Now if I start the computer, it freezes up at the login screen. I tried to recover from grub, by selecting "Ubuntu, with Linux 2.6.32-21-generic (recovery mode)". There were no prompts for input after this. The recovery screen is not updating anything after:

[2.348886] EXT4-fs (sda1): INFO: recovery required on readonly filesystem
[2.349015] EXT4-fs (sda1): write access will be enabled during recovery
[2.577641] EXT4-fs (sda1): recovery complete
[2.578072] EXT4-fs (sda1): mounted filesystem with ordered data mode
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
Done.

When I come out of that screen (ctrl-alt-del), the problem repeats.

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Ubuntu Installation :: Upgrade Lucid Lynx Kernel From 2.6.32 To 2.6.38.1?

Mar 23, 2011

Can I upgrade lucid lynx kernel from 2.6.32 to 2.6.38? If so, how do I do it from command line?

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Ubuntu Installation :: Kernel Panic On Boot After Upgrade

Jan 25, 2011

I've been trying to get Ubuntu on my beloved 4 year old Acer desktop that's been chugging like a tank. However, after either a fresh install or upgrade, I would get the following error:"Kernel panic - not syncing: VFS: Unable to mount to root FS on unknown-block(0,0)".I've looked here and there, and one of the issues it would seem is the kernel not recognizing my hard drive if I'm correct. One of the suggestions was to upgrade the kernel however, I have no idea how to do such a thing if I can't get into the OS.

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Ubuntu Installation :: Kernel Panic After Successfull Upgrade?

Apr 29, 2011

I ran an upgrade to 11.04. It boots fine into KDE, then panics (flashing Caps lock) about a minute later. The Live CD runs fine. Here's the part of my syslog that looks related:

[Code]...

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Ubuntu Installation :: Upgrade 9.10 To 10.4 - Kernel Panic - Unable To Mount Root

May 13, 2010

I had 9.10 installed on my IBM Lenovo Thinkpad, x301. I was performing updates as normal, and chose the Upgrade button to upgrade me to 10.04. Everything started fine, but upon reboot, no bueno, Kernel Panic!

The exact message was "Kernel Panic ubuntu - not synching VFS Unable to mount root fs".

I thought this was a grub issue. Since grub2 now is installed... But it was not. I think it ended up being a problem with some of my configuration files.

I have three kernels I tried:
1. 2.6.32-22
2. 2.6.31-21
3. 2.6.31-20

The first threw me into the kernel panic.
The second would hang on "init crypto disks"
The third would hang on "checking battery state"

I noticed (from reading another thread) that while these are loading up that you can click on alt-ctl-F1 thru F6 and get prompt. (I also had my home directory encrypted, thought that was part of the problem, but it wasnt).

Once I get passed the loging, I am able to poke around. I tried manually start Gnome via "sudo service gdm start", but it failed. Said it was missing a configuration file. Then I tried on "sudo dpkg-reconfigure gdm" and it would not work. Saying some configuration files are missing or broken. It also said something about dpkg --configure -a, I am assuming this configures everything...

So I tried "sudo dpkg --configure -a" And selected 'y' to every option. Which basically installs the package creators default settings, and viola! Works.

Just wanted to share that knowledge for the other stuck in the upgrade hell.

Normally I would just copy my files off and reinstall, but it was encrypted... Another headache. I guess good in case someone stole my laptop.

Remember try to "sudo dpkg --config -a"

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Red Hat / Fedora :: Kernel Panic Following Bad Power Cycle

Apr 20, 2010

I have a client who has for the last four years been running a Red Hat 4.1.18 Server with absolutely zero problems. Yesterday somebody had a problem with one of the attached Windows PC's and some genius decided to reboot the server. By genius I mean idiot and by reboot I mean pull turn off the power to the box.

When they tried to reboot, they get a kernel panic. This is what the screen says;
Uncompressing Linux... Ok, booting the kernel.
audit(1009912323.849:0): initialized
Red Hat nash version 4.1.18 starting
File descriptor 3 left open
Reading all physical volumes. This may take a while...
/dev/hda: open failed: No medium found
No volume groups found
File descriptor 3 left open
/dev/hda: open failed: No medium found
No volume groups found
File descriptor 3 left open
/dev/hda: open failed: No medium found
No volume groups found
mount: error 6 mounting ext3
mount: error 2 mounting none
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempted to kill init!

The server runs the database for their entire POS system so they are now dead in the water. I'm stuck, I've never come across this before. What do I do to recover this?

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Ubuntu Installation :: Partial Upgrade Leads To Kernel Panic Error Message / Fix It?

Jan 29, 2010

I got a notification that there was an upgrade available today in ubuntu 9.10 64, after the update i restarted my system and while booting i encountered this error message:

Kernel panic - not syncing : VFS : Unable to mount root fs on unknown - block (8,17)

does this have something to do with the OS looking at the wrong hd?
theres no command prompt to actually do anything and i tried booting in safe mode and had the same problem. Let me know what i can do!

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Ubuntu Installation :: Kernel Upgrade Failure 2.6.31.20

Feb 13, 2010

I'm running the 64 bit version of Ubuntu 9.10 on an AMD64 dual core platform with all the most recent upgrades installed. After the most recent Kernel upgrade version 2.6.31.20 the computer failed to boot correctly. Extremely slow getting to the desktop and a general failure to preload any programs that I load on boot. I had to uninstall and revert back to the previous Linux headers which solved the problem. If it makes any difference I have the machine setup as an apache2 server along with my standard desktop environment.

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Ubuntu Installation :: Failure To Load Following Kernel Upgrade

Feb 6, 2010

I successfully installed Ubuntu 9.10 Netbook Remix on an Asus EeePC in a dual boot mode with Windows XP. Because the computer has no CD drive, I used a USB stick to download the files for installation. Twice now, after upgrading to a new kernel (2.6.31-17 and 2.6.31-19 I think), when rebooting after the upgrade and selecting Ubuntu from the operating system menu, I get a message:

sh:grub>

along with a notice about limited shell commands being available. The ls command results in:

(loop0) (hd0,3) (hd0,2) (hd0,1)

In trying some of the other commands, I get a message that a linux kernel isn't loaded. The computer still runs Windows fine - or at least as fine as Windows ever runs. I'd like to recover Ubuntu without doing another full installation.

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Fedora X86/64bit :: Boot After Install Gives Kernel Panic Failure

Aug 19, 2009

I was finally able to install Fedora 11 x64 after choosing to only install packages from the repository on the install DVD. Prior to that when I had chosen tio install from the default online repositories, the install itself failed with a Python exception ( see my other post ). Now, however, once I boot after the install I eventually receive a kernel panic message, and failure. The exact same thing happened with CentOS 5.3 x64 after a flawless install. So unless someone knows what might be going on I will assume that Fedore, Red hat, and offshoots for x64 bit systems are just not for me. I have been able to successfully install the latest Mandriva and SUSE x64 Linux distros so whatever Red Hat/Fedora has done just does not work on my system.

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Ubuntu :: Kernel Panic In Ubuntu Lucid Lynx - Quit?

May 27, 2010

This occurs ocassionally So i cannot even use the system. The default kernel is panicking and also the new kernel that i installed after the update. now the problem still exists and it is rendering my system unusable. i have put it in ubuntu forums. may be lucid is not supporting older hardware. mine is Athlon xp 1.8ghz ASUS a8NE mb 2GB raM. 82 GB HDD. earlier versions of ubuntu 9.04 was stable and i had the kernel panicking problem in it after i updated the kernel. As the problem remains a problem. I am not at all satisfied with lucid lynx it is unstable. cannot install updates in the update manager. Firefox vanishes while browsing the web.Then i have to restart it. shall i quit ubuntu or go for other Linux distros.

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Debian Configuration :: Kernel Panic: Power/level Is Deprecated?

Jul 13, 2011

I am currently having issues with system freeze when unmounting portable hard drives. This happens almost every single time. Normal USB sticks are fine and do not produce the freeze. I am using kernel 3.0.0-rc6, however the issue also persists when switching back to 2.6.39. This is the error message i get when freeze occurs, reverting to terminal output:

WARNING! power/level is deprecated use power/control instead
Jul 13 18:26:49 destiny kernel: [ 6196.892776] Call Trace:
Jul 13 18:26:49 destiny kernel: [ 6196.892803] [<ffffffffa008feec>] ? scsi_setup_blk_pc_cmnd+0x15/0x104 [scsi_mod]

[Code]...

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Ubuntu Installation :: Wubi Boot Failure After Kernel Upgrade

Nov 27, 2010

I've been running Ubuntu 10.04 AMD64 on our home theater PC through a wubi installation. Yesterday the system update installed a new kernel and today there is a problem booting the computer so I'm reluctantly using Windoze to type this. there isn't much information: the computer has always booted fine before the kernel update. When I select Ubuntu in the boot menu the screen goes black and the computer restarts. No error messages, no GRUB menu, just a blank screen before restart.

Computer: Dell Hybrid 140G, Intel Core 2 Duo T5800, 4GB RAM

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Ubuntu :: Lost Power During Lucid Lynx Installation

May 1, 2010

While leaving my laptop to install the upgrades, I hadn't noticed how the power cord had slipped loose. When I came back my computer must have shut off due to battery loss. When I booted up my computer again, I couldn't boot up Ubuntu under any of the kernels, -20,-19, etc. I get cryptic messages such as "unable to enumerate USB device on port 2," device not accepting messages," and "device descriptor read." i definitely intend to recover my data. I had been upgrading from 9.10 to the latest version of lucid lynx.

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Fedora Installation :: "Kernel Panic - Not Syncing:" After FC10 Upgrade?

Mar 27, 2009

I recently upgraded from FC7 to FC10 (Also, the Kernel from 2.6.22.9 to 2.6.27.19).I did the upgrade through Yum (First installed the fc10 rpms, then did yum upgrade).Now the new Kernel won't boot.These are the options in GRUB for the new Kernel

Code:
root(hd0,1)
kernel /boot/vmlinuz-2.6.27.19-170.2.35.fc10.x86_64 ro root=LABEL=/ rhgb debug

[code]....

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Ubuntu Servers :: Can't Reinstall Mysql-server After Power Failure During Aptitude Safe-upgrade

Jun 2, 2010

A week or so ago I ran an aptitude safe-upgrade and while it was updating mysql I suffered a power-failure. Now, this never really happens in Holland but of course this once it happened at the worst possible time.

I've tried a lot of different things to get mysql working again, but am running into all kinds of problems. First mysql won't shut off properly (it does startup with the computer but I can't connect to it at all) during an aptitude purge. If I kill the process mysql seems to purge properly, but I guess this is not the case because I wasn't able to install it then.

Things seem to have gone a bit more smoothly this time, however:

Code:
snek@snek-server:~$ sudo aptitude install mysql-server
Reading package lists... Done
Building dependency tree
Reading state information... Done

[Code].....

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CentOS 5 :: Kernel Panic After 5.5 Upgrade?

Sep 19, 2010

Today I upgraded one of my computers with the following command

% yum upgrade

Before the upgrade the computer was running CentOS 5.3 with the versionlock plugin and kernel 2.6.18-128. The update went smoothly (no dependency problems).

If I try to reboot with the new kernel (2.6.18-194), I get the following:

Found volume group VolGroup00 using metadata type lvm2
2 logical groups in VolGroup00 now active
mount: error mounting /dev/root on /sysroot as ex3t: No such device
setuproot: moving /dev failed: No such file or directory

[Code].....

If I reboot with the previous kernel (2.6.18-128), everything is fine.

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Ubuntu :: Kernel Panic After Update/upgrade 22-09-2010

Sep 23, 2010

Yesterday i was prompted by my update manager to update some packages. I really don't remember which but i updated.

After reboot the box now kernel panics. I don't believe i get a ubuntu splash screen, and at this point i can't figure out how to get to my grub, in case a kernel was upgraded and it's possible to boot to different kernel.

i noticed some words like 'mantis', 'oops' and 'dvb_core' was a part of the text i get on the screen.

Can this be because of a dvb* upgrade that breaks something important ?

If needed, i should be able to boot via liveCD, or i could take a picture of the errors.

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Debian Configuration :: Kernel Panic After Upgrade

Nov 2, 2015

I have a system that was upgraded from Debian 7 to 8. Unfortunately it is not able to boot from the new kernel 3.16. Only the old 3.2 kernel is able to boot. I could transfer a backup, install it in Virtualbox, redo the upgrade and I can reproduce the error..The last error before "panic" is this line

Code: Select all 59.073579] Freeing unused kernel memory: 216K (ffff8800017ca000 - ffff880001800000)
Loading, please wait...
[   59.226154] systemd-udevd[53]: starting version 215
[   59.326564] random: systemd-udevd urandom read with 4 bits of entropy available
Begin: Loading essential drivers ... done.
Begin: Running /scripts/init-premount ... /init: .: line 210: can't open '/scripts/init-premount/ORDER'
[   59.552148] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000200

The directory is indeed empty. I have reinstalled

Code: Select allapt-get install -reinstall initramfs-tools

and rerun initramfs

Code: Select allupdate-initramfs -c -u

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Debian Configuration :: Boot Kernel Panic After Upgrade To Backport 2.6.39

Aug 21, 2011

I am running Debian squeeze. A while ago I upgraded my kernel to 2.6.38 from backports. Just now I thought it would be good to upgrade to 2.6.39 from backports. Upgrade went fine, but after rebooting I get a kernel panics rightaway.

"No filesystem could mount root, tried:"
"Kernel panics = not syncing: VFA: Unable to mount root fs on unkown-block(0,0)."

This is the first time one of Linux installations halts/panics on booting, so I don't know what to do now. I tried booting the recovery entry from the grub boot menu, but same result.

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Ubuntu :: Installation Crashed After Power Supply Failure

Mar 8, 2011

My pc had hardware malfunction; power supply interruption. At this moment it is working stable. My Windows 7 installation is ok but Ubuntu Maverick which I used during crush has malfunction. When I start to boot it looks like this: I had to make a foto so you all can see the problem. all my important files are stored on Ubuntu partition..

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Fedora Installation :: Power Failure During Preugrade?

Jun 3, 2010

I had a power failure during the portion of the upgrade after the reboot where it was upgrading the packages.I tried restarting the machine with the upgrade line in the bootloader but it says it cant find the bootloader. So I rebooted into the working install and ran preupgrade again, and after it reboots, it gives an error the it cant find "root" of the previous installation.even thought the machine boots and works, I cant tell what state I am in. the boot option lines, shows a fc12 kernel designation and the "about this computer" says "release 13"Also the add remove software doesn't show anything.

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Ubuntu Installation :: Kernel RT On Lucid Lynx - Gdm Can't Start

Apr 30, 2010

Both in 32 and 64 bit I cannot boot kernel-rt. Message displayed: mounting none on /dev failed: no such device. Then get login message in text console, gdm cannot start.

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Ubuntu :: Kernel Panic On New Installation?

May 10, 2010

I decided to try Kubuntu (10.4 64bit) again today, it's been a few years since I last tried it. The installation went well, but now I don't seem to be getting past Grub. I get a message that says: Kernel panic - not syncing:VFS:Unable to mount root fs on unknown block(0,0) I tried to use the recovery mode option in grub but that gave me the same message.

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Ubuntu Installation :: Kernel Panic On Boot With 2.6.31-17

Feb 9, 2010

I installed mythbuntu from a live CD on an old machine with an IDE hard disk just to play with it. It worked a treat, so I bought an Acer Aspire Revo R3610 and used dd to copy the old HD contents to the new one, and then gparted to resize the ext4 partition.

On boot I got - Kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)

I checked every grub2 command and it all looked fine. I then tried booting the original kernel that the live CD installed (2.6.31-14) and it booted! I tried 2/6/31-17 again, and got the panic.

After much googling, I found a suggestion to do - sudo update-initramfs -k all -c -v and this worked.

Is this expected behaviour? One of the delights of Linux is that installs move smoothly between machines, but this one didn't. Was this due to the old machine using IDE and the new one AHCI SATA? How do I get an initramfs that's flexible and will boot smoothly on any given hardware?

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Ubuntu Installation :: Kernel Panic - Cant Install

Apr 29, 2010

When I load the live CD into my computer, the DVD drive spins very fast and then drops down to command lines with a kernel Panic. I have tried with the Final Release and with the Release Candidate. Because of this I cant even load up to the live CD enviroment.

It also mentions the name of my mother board in the code, the motherboard is a gigabyte G41M-ES2L and is brand new.

Could someone give some advice or help? Currently I dont have ubuntu installed on this computer as I went for a fresh install with vista.

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Ubuntu Installation :: Kernel Panic Not Syncing

Nov 5, 2010

In my internal disk i had installed 10.04 and 10.10. 2 days ago after a restart my system did not boot and i got the message: kernel panic:not syncing VFS unable to mount root fs on unknown block(0,0).

For 2 days i tried to solve the problem without success and today i installed 10.04 in the entire internal disk but the problem(message above mentioned) remains.

the result of the sudo fdisk -l command is this

Quote:

ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

[Code]....

sdb is my external hard drive in whick i also had 10.04 installed but never used it.

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Ubuntu Installation :: Can't Boot Default Kernel After Upgrading From 9.xx To 10.04 Lucid Lynx

Jul 21, 2010

after upgrading to lucid lynx ubuntu doesn't boot with the new kernels 2.6.32-22-generic and 2.6.32-23-generic (also in recovery mode). But it's does boot with the previous 2.6.31-21-generic kernel. At the time i was hoping to wait it out, but a new kernel has come and the problem persisted. I've been trying to find a solution for this but somehow, amid lots of failed boot blank black screen threads, i didn't relate to any solution. The boot seems to go well until a pixelated logo appears (before the login screen), then goes to a blank black screen and there it stays stuck with no remedy. Looking into dmesg logs - albeit some differences between 2.6.31-21 and the newer 2.6.32-23 - the failed boot seems proper in both logs. In Xorg logs the differences are bigger but i cannot pinpoint a source for this problem.

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