1
vote
0answers
17 views

Unable to boot after update

After a update, Ubuntu won't boot anymore and gives: error: could not read file. If I'm fast enough to press a button to continue, I get Kernel panic - not syncing: VFS: Unable to mount root fs on ...
1
vote
2answers
20 views

Ubuntu 12.04 Cannot update kernels

Currently I cannot load the kernel 3.8.0-39-generic, or 3.8.0-38-generic. I have to go back and use 37, is there anywhere I can remove the two newer ones and re install them?
0
votes
0answers
65 views

Kernel panic - not syncing: Vfs unable to mount root Ubuntu 12.04LTS

I know this question has been asked a lot of times in this forum but i didn't find any particularly suited to my situation yet (if there are feel free to redirect me to them). I am using Ubuntu 12.04 ...
0
votes
0answers
34 views

Booting into current kernel disables networking, virtual keyboard

I have a PowerEdge 300 running Ubuntu 14.04 LTS. A couple of dist-upgrades ago, my SSH connection died partway through and I can no longer boot cleanly. If I boot in to the current kernel (3.13), I ...
0
votes
0answers
12 views

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

When I upgraded to Lubuntu 14.04, I was greeted with this error. I have since booted into a live cd and ran bootinfoscript to see if I could determine what's wrong. But I'm not entirely sure what to ...
0
votes
0answers
11 views

How to remove the other kernel installed in my ubuntu? [duplicate]

I have compiled and installed linux kernel on to my ubuntu 13.10. Now i want to delete these installed kernel. But in synaptic and in cmd "dpkg -l | grep linux-image" it doesn't show those compiled ...
2
votes
5answers
58 views

How to be sure , that I am running latest version of a kernel?

I've installed Xubuntu after Ubuntu, running in dualboot. So Xubuntu controls the grub. Every time I update kernel on ubuntu - will ubuntu load the latest version of a kernel? (I mean the grub is not ...
0
votes
1answer
53 views

replacing kernel on non-booting ec2 instance

So I had an amazon ec2 instance crash during the update to 14.04LTS. Frustratingly, it appears the kernel might be bad (or at least that's what the log below says to me, I could totally be wrong). I'm ...
1
vote
0answers
175 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
0
votes
1answer
37 views

How to update kernel after ubuntu server 10 -> 12 update

I have a remote VPS which had ubuntu server 10.04 installed (for some reason the hosting company doesn't have 12.04 yet) I recently downgraded my hardware to a VPS from a dedicated machine and ...
0
votes
0answers
65 views

No grub selection after installing kernel Ubuntu 14.04

I have installed a new kernel on my system which can be found by grub but when I restart I can only select the old kernel. Things I tried in other threds with similar problems didn't help. sudo ...
1
vote
1answer
180 views

Brightness keys no longer work

My Fn+F8 and Fn+F9 keys to change the screen's brightness appear to no longer work on my Thinkpad laptop. # ls /sys/class/backlight/ thinkpad_screen Some guide told me to make this: # cat ...
0
votes
1answer
33 views

compile and install modified kernel

I have made some changes to the vmx.c file of the kernel. Now I am using make menuconfig followed by make -j 5 command to compile the modified kernel(No errors just a warning..) Now I am using ...
0
votes
0answers
43 views

Kernel panic at startup

Recently i have installed a second hdd with windows 7 on it. After that, i installed grub on my main disk (ubuntu) from a live-usb. However, soon after, when i have tried to load ubuntu (from grub ...
0
votes
1answer
61 views

Kernel Panic when loading OS X from GRUB

This is after a triple boot using refind, i left free space for ubuntu 14.04 on the Macintosh HD and then installed Ubuntu 14.04 using the "Install alongside Mac OS X". Now Ubuntu boots up and ...
0
votes
0answers
55 views

Kernel panic error while installing Minimal CD

I recently created a bootable USB of Ubuntu 14.04 Minimal CD using the disk destroyer. When I boot, I have the options - Install, Advanced Install, Command Line Install & Help. Clicking on any of ...
3
votes
3answers
640 views

Kernel panic after attempting to upgrade to Ubuntu 14.04

I have the following problem: I was trying to upgrade from Ubuntu 13.10 to Ubuntu 14.04 and in the middle (after the necessary packages were downloaded and beginning to be installed), I ran out of ...
0
votes
2answers
70 views

2 linux partitions, how to force one's grub menu to win?

I have 2 Ubuntu partitions Ubuntu 14.04 that is my desktop system Kubuntu 14.04 that is my development enviroment Each time Ubuntu 14.04 updates the kernel, writes his own grub menu, and each time ...
0
votes
1answer
22 views

GRUB and Kernel

I have a simple but important question for my case: Does upgrading the Grub mean upgrading the kernel ?
0
votes
0answers
53 views

Loading a proprietary disk driver into Ubuntu Server Initramfs

I have a Revodrive 3 X2, and I am installing Ubuntu on it. I followed the guide by Alex Burgess for a complete fresh copy. I also topped this guide (which works perfectly when using the exact ubuntu ...
2
votes
4answers
174 views

How does the grub bootloader know?

I am not understanding how it comes to know which kernel image to load? I have so many. Once I had created my own kernel and recompiled. How does it come to know that this is the one to load?
0
votes
0answers
114 views

Kernel panic - not syncing: VPS: Unable to mount root fs on unkown-block(0,0)

When I turned my computer on after doing the suggested updates, it did not go to the usual GRUB menu and instead I got a black screen with this message: GNU GRUB version 1.99-21ubuntu3 Minimal ...
0
votes
0answers
296 views

Grub-Customizer not saving the changes after kernel upgrades

I'm running into an annoying problem with Grub-Customizer (4.0.4) every time I update the kernel versions. After the kernel update I normally open Grub-Customizer to accommodate the new kernel ...
1
vote
0answers
22 views

Changing kernel in a system not booting

I have a dell inspiron laptop and have just installed 12.04. The system hangs on boot after 'Switching to clocksource TSC'. I've searched all the questions here and had no luck changing bios ...
0
votes
0answers
45 views

Instaling/updating kernel on UEFI device

I've installed kernel 3.12.6 in Ubuntu 13.10, because I had read it is necessary for nvidia optimus. After I rebooted my laptop and selected ubuntu in grub purple screen appeared. I rebooted again and ...
3
votes
1answer
426 views

Install older kernel in a server and made it the default boot option in grub

I need to install an older kernel version (3.2.0-24-generic) on an existing Ubuntu 12.04.3 (3.8.0-34-generic) LAMP server and a new install Ubuntu 12.04.4 (3.11). After the installation I will need to ...
0
votes
3answers
1k views

'update-grub' syntax error

I've read several previous questions and found no solution. Where I run the update-grub command it gives me this output: root@Agustin-Ubuntu:/home/agustin# update-grub Generating grub.cfg ... ...
0
votes
0answers
14 views

In Grub2, how can I see which driver module will be loaded?

Is there a way I can list what modules (and versions) will be loaded during next boot?
5
votes
3answers
1k views

error: attempt read-write outside of disk `hd0`

My problem This problem has been plaguing my boot for a while, it happens about half the times I start up my computer. Grub will load successfully, and wait ten seconds for me to choose which OS to ...
3
votes
1answer
86 views

how to see grub kernels in ubuntu without restarting

I want to set up my ubuntu server to boot from an older kernel since the current one causes problems. How do i see the list of entries in the grub menu so i know which one to set to GRUB_DEFAULT? ...
0
votes
0answers
194 views

ERROR: “Kernel panic vfs unable to mount root fs”

so, here it goes. the reason to all this is that i'm running my linuxstation as an AP (among other things). I updated the linux-image and headers with apt-get, rebooted. Suddenly the AP would not ...
1
vote
0answers
39 views

Upgrade from 10.04 to 12.4 shutdown in the middle of installation, and now i cant even run it live

I have had ubuntu 10.04 until yesterday, when my dad got home with a disc that has 12.4 on it, i quickly put it into the laptop and started the install, and everything was going fine, but apparently ...
0
votes
1answer
399 views

Upgrade Kernel to 3.8.0-35-generic fails to boot. Missing initrd.img-3.8.0-29-generic

When upgrading to the new kernel 3.8.0-35-generic (12.04 LTS) it doesn't create the initrd.img file and won't boot. I get a Kernel Panic because it's missing the img I tried running sudo ...
0
votes
0answers
113 views

Grub Network Boot, root files for kernel?

I have made a folder structure for network boot using PXE and Grub with the command grub-mknetdir. I have put those files in a valid served tftp folder on Server Machine. I have put a valid kernel ...
0
votes
1answer
238 views

Need to update to latest supported kernel version in Ubuntu 12.04

Right now i am using Ubuntu 12.04 LTS with kernel as 3.8.0-35-generic , while i use this kernel i face a lot of problems i) Graphics of my LCD screen connected to my laptop via VGA cable appears to be ...
0
votes
0answers
122 views

Disable/Remove initrd image during booting

I am trying to boot Linux (Ubuntu 12.10) without an initrd image. There are various sources online, but I'm not able to find anything that is detailed. There are many pointers as to how to achieve ...
0
votes
1answer
33 views

How do I install a kernel driver so that it is not loaded at all times?

I would like to install a kernel driver that is under development and I'm afraid that it could affect the stability of my system. So I would like this driver to only be loaded at certain times (when I ...
0
votes
0answers
46 views

New kernel installed, but not in /boot

I recently had some troubles booting my Ubuntu server so I decided to boot an older kernel, remove the new kernel and reinstall it. All of that went according to plan. According to this command the ...
0
votes
1answer
428 views

Kernel Panic, unable to mount root

I have recently dual booted to ubuntu 13.10 with windows 8. I have windows 8 before having ubuntu, I had to do a boot-repair so I can choose which to load, it all went fine, no problem. But then ...
0
votes
1answer
474 views

How to insert linuxefi module during boot

I am running Ubuntu 13.10 with kernel 3.11.0-14-generic. Everything was working fine, but then I did a routine software update and the computer would then not boot. Unfortunately, I'm not sure what ...
0
votes
1answer
226 views

Program to repair grub?

I have had windows eight and Ubuntu 13.04 dual booting and working fine(using EasyBCD) I had created partition for Ubuntu of exactly 20GB. Some time later, after never using Ubuntu, I went into ...
0
votes
0answers
87 views

Startup Script / Profile from Grub

I've been looking at other posts here and they've really helped, I feel like I'm stuck at one spot. I have taken a script from a machine that already has this setup. Unfortunately the person who ...
0
votes
0answers
736 views

Kernel panic - not syncing: VFS: Unable to mount root (0,0) 13.04 to 13.10

I just downloaded Ubuntu 13.10 last night and apparently when I rebooted it, it gave me this error "kernel panic-not syncing: vfs unable to mount root (0,0). I spent most of the day researching a fix ...
2
votes
1answer
66 views

How to permanently delete ALL older kernels using the shell with confirmation question?

To free up some disk-space you can check which kernel you are using with: uname -r And then remove ALL kernel versions but the current with: dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed ...
1
vote
0answers
87 views

Grub is booting old image instead of new

I have this problem: I upgraded my system from 12.04->12.10->13.04->13.10... Everything is actually working fine. I just have one problem: GRUB 2 is still loading a old linux image: ~# uname -r ...
0
votes
0answers
116 views

Warning: LBA32 addressing assumed

Warning: LBA32 addressing assumed when i read this and my server is rebooting, it wont boot again. I have to boot from USB, repair bootloader and then its rebooting again, but after the next update ...
0
votes
1answer
138 views

cannot boot ubuntu with new kernel

My host operating system is Windows 7. I have installed vmware over it. And was running ubuntu 10.04LTS using vmware. But today out of curiosity, i downloaded new kernel 3.10.1 compiled it and ...
0
votes
1answer
195 views

Is is possible to use two kernels at the same time?

After upgrading from Ubuntu 13.04 to Ubuntu 13.10 Intel VTune Amplifier stopped working. As recommeded by developer I tried to reinstall the program and manually compile the needed drivers. However I ...
3
votes
1answer
1k views

Cannot find root device after latest kernel upgrade

I'm running Ubuntu 13.04. Yesterday I tried to install updates but there was an error, and it suggested running apt-get -f install which I did. Now when I try to boot, I get an error "Gave up waiting ...
1
vote
1answer
854 views

Is it possible to boot without adding `pci=nomsi` or `acpi=off` to the grub command line?

I have an ASUS X64SL laptop with Intel Core 2 Duo P8400 CPU. When I want to boot with Linux I have to add to the grub command line either pci=nomsi or acpi=off. Is there another way to boot without ...