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

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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
96 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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63 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
38 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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0answers
75 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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39 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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0answers
9 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
55 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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173 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
14 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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43 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
26 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
170 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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0answers
50 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
21 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
78 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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0answers
29 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
12 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
390 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 ...
1
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1answer
23 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
45 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
126 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
31 views

How to upgrade latest linux kernel offline.

How to upgrade linux kernel offline in Ubuntu 14.04.
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0answers
40 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
98 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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0answers
8 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
19 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
70 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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0answers
19 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
79 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
36 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 ...
0
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1answer
71 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.
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2answers
36 views

Which kernel version fixes the issue of dell touchpads being recognized as a mouse?

On Ubuntu 14.04 a kernel update seems to fix the problem that the touchpad is just recognized as a mouse. Which kernel version fixes this issue? Related thread is here. Dell Trackpad not recognized ...
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0answers
17 views

How to use JSON-XS bug patch

I am installing a software I need for my research (and because of which I am learning Linux). I am doing it with a script done for someone else for RED HAT. Now corrected for Ubuntu, it still fails ...
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0answers
100 views

14.04 - USB microphone speaker device not working anymore

I own a PJP-20UR web conference microphone speaker, I have been using this USB device for ages with Linux, Windows, Mac never ever have had any issues with it. Since I upgraded from Ubuntu ...
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0answers
59 views

lm-sensors ubuntu 14.04 core voltages

I am trying to measure the core voltages of my cpu. I installed the lm-sensors, I ran the sensors-detect and I reply YES to all of the question. At the end of the sensors-detect I get: To load ...
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0answers
22 views

virtual install from ISO not getting virtual kernel

I have a KVM host (12.04.5) that I have been installing guests on in variety of ways. I just noticed recently one of my guests was running a generic kernel when I'm fairly certain I specified minimum ...
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1answer
31 views

Error compiling Kernel-aodv for ARM

I'm about to implement AODV on ARM board SabreLite and I'm facing some problems. So, I use the latest version of AODV located here (http://sourceforge.net/projects/aodvuu/). I've follow the ...
0
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1answer
33 views

openafs-client fails to upgrade on newest kernel 3.13.0-32 (ubuntu 12.04)

This morning my Ubuntu told me to do some updates, then in the end I had a msg that I should also do some HW support updates. And so I did. During the upgrade I saw there was some problems with the ...
1
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1answer
15 views

ubuntu server crash after build.sh run

I have a build server with Ubuntu. And in my source code there is typical build.sh to invoke the make file in order to compile the source code. But suddenly the server crashed and I found the below ...
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1answer
1k views

How can I install 3.16 kernel on Ubuntu 14.04

sudo apt-get update && sudo apt-get dist-upgrade do not show the newest kernel. How can I install 3.16 kernel on 14.04?
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1answer
48 views

Is it safe to upgrade my kernel? [duplicate]

I'm currently running version 14.04. Is it safe to upgrade only kernel to the recently released 3.16?
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1answer
19 views

Problem with side panel buttons Thinkpad L412, ubuntu 14.04

I have the following problem: After a kernel update, my side panel buttons on my L412 to incresa/decrease and mute volume (also de mic mute) stopped working. I don't know how to fix this, and the ...
0
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1answer
35 views

Built kernel won't boot, missing AHCI driver?

I need to apply a kernel patch and so I set about building a kernel. First I fetched the source and build dependencies with # apt-get source linux-image-`uname -r` # apt-get build-dep ...
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1answer
18 views

switching back to text console

I have used ubuntu many times but currently ubuntu crashed every time on my system. I dont understand the exact problem of my computer. I have tried every version of ubuntu & also other distro. ...
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0answers
22 views

Need help about Proxmox and GRUB2 on Debian

I am facing with a big problem. I am freshly installed Debian 7 on server4you dedicated server, and according to this tutorial: Link I am added the repo, installed the kernel like the tutorial said ...
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0answers
45 views

The newest kernel 3.13.0-32 fails during boot - any solutions?

The newest kernel 3.13.0-32 fails to boot and hangs saying... resume: libgcrypt 1.5.3 (i think). eventually it complains about not being able to mount swap But when I revert to kernel 3.13.0-30 ...
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0answers
14 views

will this kernel fork work on 14.04?

will this http://www.webupd8.org/2013/05/get-better-linux-desktop-performance.html work on 14.04 trusty ?