for questions concerning Ubuntu's kernel, including compiling and questions relating to modules

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signature and/or required key >missing - tainting kernel CrystalHD

I am running Ubuntu 14.04 32bit under Gnome on my plastic 2007 Macbook. The old laptop is still going strong, but I wanted to lesson the load on my cpu on video files. To do this I installed a ...
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4 views

How do I update a Intel536ep fax/winmodem driver installation for a newer kernel?

So I want to use my legacy PCI cards and USB winmodem on my Ubuntu 14.04, but I only found information for older kernels. What are the steps for this update/fix ? Please be helpful (step-by-step) ...
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9 views

How do I get and remove the kernel source code?

So after I read How do I get the kernel source code? apt-get source linux-source-x.y.z but what if I issued a "sudo" of the last command in the /usr/src, how do I remove it (uninstall) ? Do I ...
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2answers
11 views

Restricting resources of user applications

Sometimes, either because of a memory leak or the computationally-intensive nature of a program, applications can start to slow down and ultimately freeze the whole system by claiming too much RAM or ...
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18 views

kernel3.17.1 update problem [on hold]

I need help, today I updated to latest Linux kernel 3.17.1. But after update I can not login. Login screen appears and nothing happens after I enter my login details. only my desktop background ...
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15 views

Checking of Residues of Windows

Years ago I had Windows OS in my System. But I now I am using Ubuntu only. I have 3 partitions in my Hard Disc Device Boot Start End Blocks Id System /dev/sda1 * ...
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28 views

Safe to manually remove old 12.04.2 LTS GNU/Linux 3.2.0-70-generic after upgrade to 14.04.1

After do-release-upgrade from Ubuntu 12.04.2 to 14.04.1 and reboot, - server still start up in 12.04.2 LTS. Is it safe to manually remove old 12.04.2 LTS (GNU/Linux 3.2.0-70-generic in /Boot ?. I do ...
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16 views

I keep getting Kernel Panic with 14.04, it was fine until recently, any answers?

Roughly two weeks ago I started getting this kernel panic error on boot, I decided to make my machine just run ubuntu rather than have a dual boot of windows and ubuntu, so its on a formatted drive ...
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8 views

Lenovo P580 fan works when PC idle (14.04/64bit)

I have just updated Ubuntu from 14.04 (32 bit) to Ubuntu Gnome 14.04 LTS (64 bit). The fan will work extra even when the CPU is running at 45~55%. I have never had a single fan issue in any of the ...
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21 views

Make error on Nvidia drivers and kernel 3.17

I can't install nvidia-331-updates-uvm alongside with kernel 3.17 on Ubuntu 14.04. Here is the make.log of nvidia driver. Has someone solved this problem ?!
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I upgraded my 14.04 from kernel 3.13.0-36-generic to 3.13.0-37-generic and the system hangs

Everything works fine with kernel 3.13.0-36. After updating to the new kernel and rebooting, the video looks like it might not be right and the system hangs after logging in. Used grub to boot back ...
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21 views

How to load a different version of linux kernel?

I am currently using ubuntu 14.04 with the kernel 3.13.0-37-generic, I want to try booting from another kernel 3.17.01 (latest stable release). I have downloaded and built the 3.17.01 kernel from ...
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1answer
15 views

“BUG: scheduling while atomic: nc/3622/0x00000101”

I have noticed the below stack trace shows up in /var/log/kern.log. Running Ubuntu 14.04 on kernel 3.13.0-32-generic. This issue does not happen frequently. [ 410.671752] netfilter: module loaded [ ...
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How to add RTLinux in ubuntu 14.04? [duplicate]

I Want add RTLinux to my system which alresdy with edubuntu 14.04 LTS and Windows 8.I have tried linux-r ,but says command not found.Can anybody help me to solve this.
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2answers
46 views

Does Netflix need kernel 3.17 to work?

I am wondering if I need to update my kernel in order to get Netflix to work in Chrome. I have the latest version of Chrome installed, but whenever I try to watch something on Netflix, it says "oops, ...
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66 views

AMD legacy driver installation failed due to missing kernel headers

I am trying to install amd-driver-installer-catalyst-13.1-legacy-linux-x86.x86_64 on Ubuntu 14.04, and failing due missing /lib/modules/3.13.0-37-generic/build/include/linux/version.h. I tried to ...
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21 views

No network after unplugging cable and plugging it back in

I have: OS: Kubuntu (x64) Distributor ID: Ubuntu Description: Ubuntu 14.04 LTS Release: 14.04 Codename: trusty Kernel: 3.13.0-29-generic My network card works OK when I boot up my laptop, but ...
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1answer
23 views

correct kernel source path

I'm trying to install cuda6.5 using the .run file on an amazon aws gpu instance. I'm getting this error. I'm not sure what the kernel source path is. I did install it with apt-get install linux-source ...
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27 views

can't install ubuntu 14.04.1 on asus VC60-B022M

I checked the MD5 hash to see if my iso was corrupted; I tried both rufus and unetbootin to burn the iso image on usb key; whatever I do I get this error message: Kernel panic - not syncing: fatal ...
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33 views

Blacklisting not working in 14.04

I blacklisted some modules in /etc/modprobe.d/blacklist.conf (e.g. "blacklist b43") but they are still being loaded. What am I doing wrong? PS I also tried adding 'b43.blacklist=yes' to the boot ...
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2answers
37 views

Which kernel version should I pick for update [on hold]

Currently I am working on Ubuntu system. Here is my specifications shark@ubuntu-00000:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.10 Release: ...
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1answer
14 views

Ubuntu 14.04 - on the fly change operating system language while remotely support required

In Windows 8.1, OSX 10.9.4 and all other OS we cant do on the fly change operating system languages. We have purchased hardware from Japan, China, India etc etc for Europe, where organisation only ...
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13 views

How to debug intermittent boot problem?

My ubuntu 12.04.5 LTS (actually, a mythbuntu) has started to fail to boot. It's intermittent (happens ~25% of the time). I keep up to date with software--currently at 3.13.0-36-generic kernel ...
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1answer
49 views
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Why are the installed linux header files empty?

I'm running 14.04, installed onto an empty hard drive. The linux header files are installed, but the .h files are empty. I can see the files here are all zero length: ...
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42 views

Server crashed but why?

could someone tell me what causes the crash of this kernel panic? This machine (14.04.1) is a virtual machine on my KVM host (14.04.1) See the screenshot My host machine has 32GB of RAM and uses ...
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1answer
14 views

autogen.sh can't find “ fontconfig” package

ran autogen.sh and get the error "package 'fontconfig' not found". I also get the suggestion to adjust the 'PKG_CONFIG_PATH' enviroment variable and/or variables "FONTCONFIG_CFLAGS" and ...
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14 views

systemrescuecd 4.3.1: parted cannot inform kernel of change

I am trying to use parted (3.2) on systemrescuecd (4.3.1), but keep getting the error message similar to below. Error: Partition(s) 2, 3, 4 on /dev/sdd have been written, but we have been unable to ...
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13 views

Is Governor integrated into Ubuntu 12.04.5 kernel, and does it use cpuset process?

I run Ubuntu/Xubuntu version 12.04.5 (wubi installation). This is a question I have been meaning to ask for a long time. I noticed many times while booting Ubuntu that Governor shows up in the list of ...
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17 views

E:The package linux-headers-3.13.0-36 archive [on hold]

To anyone whose reading this.i am a new to everything about lubuntu i don't even know the tiniest bit about it.i installed lubuntu on my pc and during the installation i had an error and now after ...
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1answer
66 views

No sound after kernel update / ubuntu 14.04 x64

I upgraded a couple of days ago to the latest kernel: uname -a Linux tirith 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Hadn't use the box much, but ...
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32 views

Multiple kernels

So I've mistakenly installed multiple kernels.... But i have no binary setup (and do not wish to have any) The problem is when rebooting the first kernel isn't compatible with my drive (or ...
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27 views

Amount of memory changed?

I've noticed that the amount of memory in Ubuntu 14.04 has changed, when I view the output of free I notice that it says 16304096. I find this weird because it was 16304120. After I booted in a older ...
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Wine stopped working

Wine worked yesterday, however I downloaded some updates to the kernel and since then when I try to run Wine, I get error messages. I assume this is related to the kernel update. Anyway to overcome ...
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29 views

virtualbox installed on ubuntu 14 , no 64bits as OS?

I tried to install Kali for linux on virtualbox I got this common issue with kernel "This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot – please use a kernel ...
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1answer
15 views

Will RAM manage the peripherals or they will have separate memory?

In a LINUX system the Virtual Address Space is 4GB here as the Physical Memory depends on the RAM which we are using. For example I have a system of 1GB RAM and my Monitor requires 256MB in-order to ...
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1answer
77 views

VBox on 14.04, Kernel driver not installed (rc=-1908)

On Installing Virtual box on Ubuntu 14.04, I got following message: Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a ...
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24 views

Kernel build from source: Missing XEN modules problem

Short story: I need to recompile the Kernel I use to see if I can avoid some of the problems I'm experiencing with XEN Hypervisor. Problem is the compilation reported errors that I don't know how to ...
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2answers
54 views

Sound no longer recognized after latest kernel upgrade (14.04)

This morning Software Updater showed notification of new updates. The kernel was part of the update which then required a reboot. Once I rebooted, my sound was gone and no longer recognized buy the ...
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43 views

Stuck on “Configuring bcmwl-kernel-source (i386)” while installing Ubuntu 14.04

So, as the title says, installation get stuck while Configuring that package. Now, I am aware that this question has already been asked, but the solution requires internet connection and I don't have ...
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59 views

On Boot System messages

Is there a way to display what is happening during boot? My system seems to be running very slow on boot now that I have two static Ip's set in the interfaces file. During boot I get stuck at a ...
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8 views

How to generate linux-tools packages for customized kernel?

How to generate linux-tools and linux-cloud-tools packages for customized kernel by using Ubuntu build scripts? Tried to add do_tools=true which generates ...
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1answer
19 views

One time “firmware” upgrade script

I was wondering how you could make a script so that on first boot it changes files to a specific parameters? So it would be like if I just installed a fresh kernel. I want to run a script once and ...
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10 views

Reboot is not happening automatically

In Ubuntu 12.04, If I provide reboot or init 6 it is going to shutdown state but it is not coming into Active (manually I am starting it). Can anyone please help me in this.
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41 views

Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(98,1) while using NetKit

I know that question was asked many times but I have another problem with Netkit. I'm so new to Linux and I installed Netkit on Ubuntu for studying about computer networks. After setting up Netkit, I ...
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1answer
29 views

Random kernel panics after upgrade to 14.04

I installed a fresh Ubuntu 13.10 on my Samsung series 9 (NP900X3C). It was working great. However after upgrading to Ubuntu 14.04, I'm getting random crashes and kernel panics. The system might run ...
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2answers
29 views

Deleted old linux images now ubuntu will not boot it just hangs

I know how to remove old linux images from Ubuntu but I think I screwed up deleting something I shouldn't have. What I did was: uname -r and got linux-image-3.13.0-35 (I did not remove this one.) ...
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57 views

USB Bluetooth Adapter Not Working in Ubuntu 14.04

I have a USB Bluetooth adapter (0a12:0001) that has some problems under Trusty. It works about 50% of the time, and if I unplug it and reconnect it, then it works again. I know this is a known issue. ...
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1answer
723 views

Ubuntu 14.04 problems with kernel 3.17

Just upgraded to ubuntu 14.04 from Ubuntu 12.04. After a bunch of problems with my mouse and keyboard not working at the login screen with kernel version 3.15, I went to grub and switched to a lower ...
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1answer
65 views

kernel panic-not syncing: VFS: unable to mount root fs on unknown block(0,2)

I'm so new to Linux and suddenly found the error message appear when i boot after i click install ubuntu Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,2)
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Strange system pauses in Ubuntu 14.04

Folks, I have running a minimal Ubuntu 14.04-1 install + openbox on my new HP laptop. I do not have any other software installed on the machine except the standard software development items such as ...