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

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Ubuntu 14.04 has a bunch of old kernel directories

I saw in Disk Usage Analyzer I have 3.13.0-xx for 8 minor versions of the kernel in /lib/modules. Each is around 200MB. I remember having to go through in Synaptic and remove those old Linux versions ...
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6 views

Debugging random reboots

I'm running Ubuntu 14.04 with 3.16.1 kernel compiled from source, and when I leave my PC running for a long time, it always reboots after about 4-8 days. Nothing is displayed on the screen, everything ...
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1answer
27 views

Change clock resolution to 1000 Hz

I am running Ubuntu 12.04 and I need to change the clock resolution to 1000 Hz (now it's 250 Hz, the default value). I understand that I have to set it and then recompile the kernel, as for example ...
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1answer
13 views

dpkg reporting as installed, uninstalled kernels

I have run the following command to remove old kernels: dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo ...
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1answer
19 views

“Errors while handling” kernel packages after dist-upgrade

I did an apt-get dist-upgrade, now everytime I do something using apt-get, e.g. installing something, it gives me that there are errors while handling the following packages: ...
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45 views

Error installing linux generic kernel ovh

I have recently purchased a vps from ovh and I was trying to install the generic kernel apt-get install linux-image-generic but I got an error. Setting up linux-image-3.13.0-34-generic (3.13.0-34.60) ...
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12 views

glibc reinstallation with new kernel

Recently i removed some old kernel with autoremove function. But later found that i am getting error in configuring linux kerel. Also i googled and got that linux-libc-dev depends on old kernel ...
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1answer
57 views

How to compile a Linux kernel? [duplicate]

How do I compile a Linux kernel and how do I use the output file generated?
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18 views

wrong kernel running after install

I have installed Ubuntu 14.04 from unetbootin. When it reboots after the install, uname -r says: 3.5.0-17-generic ..this means that no modules have loaded for the kernel that is actually installed ...
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1answer
42 views

NVIDIA driver for Quadro FX 330 in Ubuntu 14.04.1, Kernel module load error

My Ubuntu computer (Pentium-D, 64-bit) has sofar worked well in Ubuntu upgrades. The only down-side of the old and exotic configuration has been that I need to compile the driver each time a kernel ...
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60 views

Ubuntu 14.04 kernel upgrades not changing default

So i have 3.13.0-34 & 3.13.0-33 & 3.13.0-24 all installed but the system constantly sticks with 3.13.0-24. update-grub does not seem to change this. grub configuration says boot entry 0. I'm ...
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27 views

after upgrade to 14.04 kernel remains 3.2.0

I upgraded from 12.04 to 14.04.1 using the update-manager. During the upgrade there was an error about emacsen-common and I do not overwrite the file menu.lst. After the upgrade lsb_release -a gives ...
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52 views

atl1c module uses 100% cpu, kernel 3.13.0-34

I have just upgraded my 3 Mythbuntu systems to 14.04.1. On one of the systems, I have an Atheros AR8131 ethernet controller. On this system, one of the CPU cores is constantly at 100% usage ...
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1answer
21 views

Kernel update plans for Ubuntu

Is there a site where we can see which kernels we will most likely be getting with upcoming Ubuntu releases? I'm personally thinking if I should install the 3.13.7.x kernel manually or waiting to get ...
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0answers
10 views

How to add the intel_pstate=enable command to the kernel on an EFI-only system?

I've tried editing the refind.conf file and I cannot get that to work. Is there ANY way to edit the entry that refind auto-detects? GRUB is not installed. The host computer is a macbook pro 11,1.
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1answer
60 views

Boot Ubuntu with latest kernel version

My Ubuntu 14.04 updated with latest kernel version (3.13.0-34-generic) but when I type uname -a it gives me this output: Linux kasiya-pc 3.13.0-33-generic #58-Ubuntu SMP Tue Jul 29 16:45:05 UTC 2014 ...
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36 views

Dell Vostro 2520 WiFi not working after Ubuntu 14.04 update

I tried sudo apt-get install --reinstall bcmwl-kernel-source Wireless worked for sometime...but after reboot WiFi stopped again.... Can someone please help... Software center in additional drivers ...
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2answers
31 views

What is the way to update to the next kernel?

So, I have problems with nouveau preventing from sleep. I decided to go with the newer kernel than officially available. Should I install kernel from Mainline PPA (I do know it's not real PPA)? If I ...
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42 views

iscsitarget suddenly broken after upgrade of the 12.04 Hardware Stack

After an upgrade to the latest Hardware Stack using Ubuntu 12.04, my iscsi service is not longer operational. The error from the service is such: FATAL: Module iscsi_trgt not found. I have learned ...
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31 views

Kernel broken when I was upgrading Ubuntu 12.04 to 14.04

I'm newbie here and in Linux manipulations. So..I was upgrading Ubuntu 12.04 to 14.04 by automatic processes and when was installing stage, there was interruption of power. To power on pc after ...
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8 views

cannot compile character driver

I am using linux-3.10.48 kernel version, I tried a character driver code which would return the major number for the driver and would register the same. But, the main problem is in the cleanup module, ...
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2answers
37 views

Boot is full (no prior solutions helped)

I have already seen that this page as well as the ubuntu forum itself has quite some similar questions, but none of the solutions has helped me yet, so I'll try it here as well: The general problem ...
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128 views

ubuntu 14.04 upgrade kernel failed

I upgrade to ubuntu 14.04 and encounterd a wird problem. ~$ sudo apt-get dist-upgrade -u Lecture des listes de paquets... Fait Construction de l'arbre des dépendances Lecture des informations ...
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1answer
12 views

Error while using make command for kernel recompilation

I'm doing kernel recompilation and getting this error while using make command /usr/src/linux-3.10.48/arch/x86/Makefile:113: CONFIG_X86_X32 enabled but no binutils support ...
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32 views

Mouse is disabling by itself after upgrading kernel to 3.13.0-34-generic

USB Mouse is disabling by itself after working for 5-10 seconds. when i tried to use cursor isn't moving. but after right clicking continuously its re-enabling by itself
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1answer
18 views

Stuck on kernel 3.8

I have a DigitalOcean VPS that is somehow stuck on kernel 3.8-generic, which is shown when I run uname -a. However, the only kernels in /boot are: My sources are such: deb ...
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2answers
163 views

Are there multiple LTS distributions available?

My distributed network consists of atleast 10 servers, all of which are running Ubuntu 12.04 LTS. This was a design decision, so that we would have a more consistent back-end, as far as the Operating ...
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19 views

kernel panic - not syncing out of memory and no killable processes [on hold]

I am using ubuntu 12.10.Then I decided to install windows 7 (due to .net requirement ) from pendrive .I have 8 gb of RAM and I removed 4 gb of RAM.Now I tried to install win 7 ,selected partition for ...
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0answers
36 views

Error: after flashing the new image

I got the source code downloaded using below command phablet-dev-bootstrap --sources aosp --repo-branch phablet-4.4.2_r1 -c ./<my-dir> I've gotten the kernel and device folder synced, and build ...
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0answers
18 views

Building Kernel Modules with LTS 14.04 and Eclipse Luna 4.4. Why are my gcc build tool includes all screwed up?

I'm trying to use Ubuntu LTS 14.04 and the latest available stable version of Eclipse IDE, Luna(4.4) for C/C++ developers. After successfully importing an existing Makefile project as a C project in ...
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1answer
45 views

How to boot load the kernel using EFI stub (efistub) loader?

I have Ubuntu 14.04 running in UEFI mode as only operating system, no dual-boot here. The kernel version is 3.13.0-24-generic. There is an EFI partition. In this case the EFI partition is not at the ...
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21 views

error: file '/vmlinuz-3.13.0-32-generic' not found

i shut my system down yesterday normally and this morning when I boot I get this error "error: file '/vmlinuz-3.13.0-32-generic' not found." I have tried the all the other advanced options and get the ...
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1answer
10 views

How to verify zswap running?

How can I check to verify that zswap is enabled and working on my system?
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0answers
5 views

How do I know what PEBs the master nodes are mapped to on UBIFS?

How can I find what PEBs(Physical Erase Blocks) the 2 master nodes on UBIFS running on my nand flash device are mapped to?
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2answers
327 views

Newest kernel 3.13.0-33 causes boot problems

I just installed the newest kernel 3.13.0-33 and after a reboot the computer won't boot further than the plymouth screen. Normally, the mouse cursor would apear and my second monitor would show that ...
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1answer
21 views

Ubuntu 13.04 to 13.10 upgrade has made drive inaccesable

I recently upgraded to 13.10 from 13.04 , and encountered kernel panic on restarting the system. I have some uncommited code on my drive , so I planed to use live usb to take it out but unfortunately ...
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0answers
10 views

How do I recompile a kernel module and insert it into the running kernel?

How do I recompile one specific kernel module (ib_ipoib) and enabling CONFIG_INFINIBAND_IPOIB_DEBUG and then unloading and inserting the debug version into the running kernel? is this possible?
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1answer
33 views

Does the Ubuntu kernel have EFI stub loader boot support?

This question is regarding efistub booting. I would like load the stock pre-compiled Ubuntu kernel directly from UEFI firmware its boot menu, using efiboogmgr. Since which Ubuntu version can this ...
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1answer
95 views

can't run minecraft with ubuntu or wine since update to 14.04

i have followed other available advice on minecraft, java, etc, but can't find anything that works. here is my story: for a couple years i have been successfully running a cracked windows version of ...
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0answers
25 views

How to upgrade latest linux kernel offline.

How to upgrade linux kernel offline in Ubuntu 14.04.
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0answers
35 views

Is there a reason the Kernels from the Kernel PPA don't have various features turned on?

I tried to use a Kernel PPA version of 3.16 today to debug an issue I've been having. Everything was working well until I noticed that my usual AuFS mounts weren't online. I combine a few directories ...
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1answer
82 views

Installing Wireless Drivers on Yoga 11s

Yoga 11s wifi card drivers are not pre-installed. I have followed numerous instructions online all of which include downloading the same package, unzipping it, making it, sudo make install. A summary ...
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29 views

Kernel Module Signing [closed]

I have the following setup: Uninstalled the Nouveau driver since blacklisting didn't work (it didn't seem to matter what driver I selected in Additional drivers settings btw.) Added the ...
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0answers
7 views

Problem after kernel recompilation of version 3.10.48

I'm using ubuntu 14.04 on VMWare. I currently have kernel version 3.13.0-24-generic. For project purpose we are doing kernel recompilation and downgrading my current version to 3.10.48. It ...
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0answers
13 views

Error when trying to compile mstSupportKernel

I am trying to follow the solution for the MST issue outlined here: https://01.org/linuxgraphics/node/358 But when I try to compile the following: sudo make-kpkg -j 4 --initrd ...
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1answer
62 views

Kernel panic after wifi installation [closed]

after installing ralink WiFi adapter (Digitus DN-7042-1 Rev2 = 148f:7601) following this link: ralink 148f:7601 wifi adaptor installation the system's (Kubuntu 14.04) kernel panics and switches to ...
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16 views

Wireless Repeater causing kernel to crash

So my wireless set up is not ideal as far as my location relative to my AP goes. However I recently remembered I had/dug up an Amped Wireless 300N repeater (range extender). I set it up in my living ...
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0answers
50 views

Ubuntu 14.04 freeze - Kernel panic & Fatal Machine Check

I've got HP ProBook 470 G0 and Ubuntu 14.04 64-bit. Originally, it was preinstalled with Linux SUSE Enterprise but I've erased and installed Ubuntu 14.04 (it was Alpha that time). Laptop was randomly ...
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0answers
28 views

TCP hash tables in Linux Kernel

I have implemented a solution to migrate sockets between servers running Linux OS. The migration mechanism works very well and the client is capable of continuing receiving his service from the new ...
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1answer
47 views

NFS kernel daemon: no support in current kernel

I installed NFS server on my Ubuntu 12.04 64 bit with apt-get install and when I try to start the server I always see: NFS kernel daemon: no support in current kernel.