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

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103 views

13.04 Not working period

I have reinstalled this 4 times now and cant seem to get it to boot now. I have a Phenom x6 AMD on a Gigabyte MB with 8 Gigs of ram and a Galaxy GeForce 210 GPU. Everything I have read is pointing ...
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46 views

How can we restore If all kernel has removed by mistaken it has RAID10

how we can restore the server if we removed the all kernels, and I have the RAID 10. in this case I try to recover with live-cd but I am not able to mounting partition because I have RAID10 ...
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2k views

cannot upgrade linux kernel to newest version

My current kernel version shown by uname -r is: 3.5.0-17-generic. However, there are files related to newer version kernel 3.5.0-26 in /boot. So I want to upgrade the kernel to 3.5.0-26 by running: ...
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407 views

Is kernel 3.5.0.26 (64bit) intended for 12.10 or 12.04

software updater suggests 3.5.0-26 for my current installation Ubuntu 12.10 My system: uname -a Linux pfeiffep-HPE-580t 3.5.0-24-generic #37-Ubuntu SMP Thu Feb 7 01:50:30 UTC 2013 x86_64 x86_64 ...
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377 views

Ubuntu 12.10 screen starts flickering after reboot

I have a Sony Vaio E series laptop. And I recently installed Ubuntu 12.10 on it. It was running all smooth without any problem, till I updated it (as we have to do after any normal installation of ...
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134 views

Compile AMD athlon-xp 32 bit kernel in intel 64 bit machine

Can someone tell me how to compile linux 3.7 kernel for amd athlon-xp in a 64 bit intel environment through chroot? I tried setting up a chroot environment but compilation gives me error. Thanks to ...
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4k views

How can I revert to the previous kernel version w/out dependency issues?

Since ubuntu updated my install to 3.2.0-37-generic, my laptop fan constantly runs. I never had this issue with the previous kernel versions. To fix this problem, I would like to revert back to the ...
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435 views

install of linux-headers-3.2.0-38-generic_3.2.0-38.59_amd64 failed at update

An error occurred during a regular update of my Ubuntu 12.04 installation the message box suggested to try apt-get install -f in a terminal window: ..... Entpacken von ...
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2k views

How to resolve dpkg error code 1?

I'm having issues with installing these two updates: linux-generic-pae linux-image-generic-pae Getting the following errors every time I try to upgrade: Setting up ...
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232 views

Cloning an encrypted hard disk to a different computer

I'm using 12.10 with full-disk encryption. Can I clone my full-encrypted hard disk from an old laptop and write it, as-is, to a new laptop and expect everything to work correctly right away? If there ...
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266 views

CK Kernel For Quantal Quetzal?

Are their any pre-compiled kernel packages for Ubuntu 12.10 that provide the CK patchset, or at least the BFS scheduler?
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180 views

How to get userID when writing Linux kernel module

Here is my function in my kernel module which I insert using insmod command after make at later stages. I am working on goldfish (2.6.29) asmlinkage long our_sys_read(unsigned int fd, char *buf, ...
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3k views

With Kernel 3.5.0-21 the wireless card Realtek RTL8723AE-BT stop working

Yesterday, I updated my Ubuntu 12.04 to the Kernel 3.5.0-21 and the wireless card stop working... In other threads I saw the same problem with another kernels. Anyone have the new driver? I sent a ...
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601 views

How to Choose default startup kernel ubuntu 12.04 with a GUI program

Is there any Gui program like the old startup-manager to control the default boot kernel behaviour in ubuntu 12.04? Thanks.
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438 views

Installation of Ubuntu 12.10 not sucessful in Samsung np100 notebook

After installation of Ubuntu 12.10 from USB made using the Startup Disk Creator, on new Samsung NP-N100S-E01IN notebook it does not boot. On booting the system just runs an update and stops with ...
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1answer
220 views

Ubuntu 12 installation problem

I have made about 30 copies of the Ubuntu installation CD, but there is no way to install it on my laptop. I get a black screen with a blinking cursor or I get a /casper/vmlinuz file not found or I ...
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439 views

Save kernel on Acer Aspire One270 with Ubuntu 12.10 - Booting Issues

I did search the forums for quite some time, yet did not find any answer to my problem... I have an Acer Aspire One D270 with Windows 7 Starter and I've installed Ubuntu using the Wubi installer. ...
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1answer
2k views

missing driver for smart card reader Ricoh Co Ltd RL5c476 II (rev b9)

Thanks for all who could help me to install a driver for smart card reader Ricoh Co Ltd RL5c476 II (rev b9). The driver is available here: Ricoh RL5C476 And according to ...
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203 views

How Grub top title can be changed

I am just wondering that 'How I can change the title on very top for Grub' - where it's written like 'GNU Grub version 1.99-21ubuntu3.4'? I am not asking for the menu entry, or to change labels of ...
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294 views

10.04 server won't boot off latest kernel

I'm maintaining a 10.04 server that is still booting off of the 2.6.32-28 kernel even though a bunch of later kernels are available. My best guess is that the immediately following version was purged ...
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1answer
634 views

Can't find “/sys/devices/system/cpu/sched_mc_power_savings”

I'm currently working on Ubuntu 12.04 x64. A lot of manuals about power saving in Linux tells about using parameters /sys/devices/system/cpu/sched_mc_power_savings and ...
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27 views

RE: specific item names in config files

Under a previous question 'Does Ubuntu use security features like DEP and ALSR' it was mentioned "if you aren't running a PAE kernel, or your hardware lacks the NX bit, Ubuntu emulates the NX ...
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1answer
2k views

VMWare virtual machine won't boot after 12.04 upgrade

I was running an 11.10 virtual machine on VMWare Workstation 7.1.5 build-491717. I tried to upgrade the other day to 12.04. After everything was downloaded and installed, the system asked to be ...
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451 views

Screen dim buttons not working on Toshiba Satellite

Since I have upgraded from the last 11.10 to 12.04 the screen dim buttons ceased to function. As I see this is due to the replacement of the 3.0 kernel with the 3.2 starting the system with the 3.0.19 ...
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1k views

intel atom getting too hot

I own an Asus 1215N which is getting very hot Intel Atom 525D dual core ION 2 (geforce 220 + GMA 3150) 4 GB RAM Ubuntu 12.04 it hits 86 C at idle. Some times (at load or turned on > 1 hour) it shuts ...
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393 views

How do I set up a server with a realtime kernel?

I have installed ubuntu server 11.04 on a machine with size 4GB. As, the ubuntu server 11.04 does not support real time kernel by default, I need compile a real time kernel on ubuntu desktop 11.04 ...
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16 views

Where can i find linux 3.8.11 kernel image in order to build wacom drivers for Samsung Chromebook 2

New to Ubuntu/Linux, so please bare with me. My setup: Samsung Chromebook 2 -> running Ubuntu via crouton (trusty with KDE). Im in the process of installing the Wacom Intuos drawing tablet, and i ...
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1answer
23 views

Right way to completely clean up old kernels in terminal

I have been going through various questions about how to clean up old Linux kernels. They all seem to have different answers and they are old, so someone is bound to say the question is too old and ...
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1answer
122 views

AMD Omega drivers don't work with kernel 3.17.6 on Trusty?

I just installed new fglrx drivers on Ubuntu 14.04. New AMD drivers are distribution-specific, so downloaded them. Since it says they re compatible with kernel up to 3.17 version on release notes, ...
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1answer
51 views

Cups job stuck at: processing since …“Waiting for printer to become available.”

When I reboot, a queued print job will get printed, after that jobs don't print with the following message: processing since "Waiting for printer to become available." Also, when I run the vanilla ...
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1answer
36 views

Accidentaly deleted initrd and vmlinuz

Yesterday I suddenly deleted initrd and vmlinuz files in boot folder. Now I can't get in my Debian system, because GRUB can't find vmlinuz and initrd. I tried to generate new initrd image but I can't ...
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18 views

problem new with ubuntu and i cannot install

I have neu cd ubuntu 12.04. With installation was everything ok and after restart i have error unable to monut root vfs kernel panic and cannot open root file. I tried to install this again but not ...
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31 views

After changing kernel , kernel crash is not working

I have changed the kernel in Ubuntu 12.04. After this, if I gave a kernel crash the memory configurations are getting changed and dump file is not created.. It is getting changed from 4GB to 109MB. ...
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120 views

How do I install driver for Radeon Mobility HD 3650?

I was trying to install driver for my graphics card, I'm using Ubuntu 14.10 and when I install driver from support.amd.com log file says that i don't have kernel headers (version.h file) in ...
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1answer
47 views

L1 + L2 cache hardware information with lscpu different to information from Intel & Windows

My CPU is an INTEL Celeron N2930 Bay Trail-M 1.83GHZ to (2.16GHZ Turbo) I get by typing lscpu in Terminal a different value of L1 + L2 Cache (Hardware Information) in comparison to the Intel + ...
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74 views

Unity gone after upgrading 14.10 to latest 3.16 kernel

After upgrading 14.10 to the latest 3.16 kernel today, my Unity GUI is messed up. I was able to create a folder and open it, but if I navigate to the /bin folder, right-click on bash, then select Run, ...
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28 views

How can I find most stable and newest kernel edition for Ubuntu?

I want to choose a newest and most stable version Linux kernel for Ubuntu. Is it newest longterm version in http://kernel.org version(and download equivalent version in ...
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70 views

libkmod: Error ../libkmod/libkmod-config.c:686 kmod_config_parse: /etc/modprobe./blacklist-nouveau.conf line 5 ignoring bad line starting with 'alia'

libkmod: Error ../libkmod/libkmod-config.c:686 kmod_config_parse: /etc/modprobe./blacklist-nouveau.conf line 5 ignoring bad line starting with 'alia' I started getting this recently then today it ...
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1answer
101 views

Unable to Install 14.1 on Dell Studio 1747 Laptop, Intel i7, 10GB RAM - Kernel error BUG: Soft Lockup

Update: I have now attempted to install 14.01, 13.1, and 12.04.5 with the same result. I have been attempting to install Ubuntu 14.1 on a Dell Studio 1747 laptop with a Intel i7 Core Processor. Have ...
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1answer
25 views

Is there a way to integrate Node.js into the kernel core so that the system has this node running as a module.?

I want to integrate node.js into the kernel as a module. So that i could develop a common html+js+css app as a desktop app. How can this be done ? It would be nice if ubuntu had this feature.
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1answer
34 views

How to install Open Virtual Switch

I want to install the Open Virtual Switch. How can I do so? I read the openvswitch.org page but that was not well explained and I did not understand it, perhaps because I am new to Linux. Can any one ...
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1answer
61 views

virtualbox not recognising existing machine in ubuntu 14.04 LTS

I have install windows xp in Ubuntu host.I was working fine but suddenly when I restarted my computer virtualbox manager does not recognise my machine.I had reinstall,updated kernel and tried to ...
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1answer
43 views

how to modify kernel to activate SPI-devices on 12.04 Pandaboard?

There are many examples online for modifying and building kernel, but non of them would realy work! I want to activate SPI-Devices to work with. It needs also GPIO-Interrupt for triggering ...
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61 views

ubuntu 14.04 not working after kernel update how can I save my ubuntu system?

ubuntu 14.04 not working after kernel update how can I save my ubuntu system? yesterday , when I updated the ubuntu 14.04 and its kernel core , it asked me for a reboot! and then I cant access to my ...
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15 views

Toshiba 2800-200 lubuntu installation failure

So I have an old toshiba running win ME, and I want to use it again. I thought I could just install lubuntu with a pen drive. The problem is when I choose the installation mode, it freezes until i ...
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276 views

Unable to boot after update to linux-image-3.13.0-39-generic

Running Ubuntu 12.04 LTS on Intel-based computer. I ran the update package for a new release Linux and it seemed to be successful, but when rebooting, I was unable to boot. I booted to a previous ...
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206 views

Gave up waiting for root device ubuntu 14.10

I have recently installed Ubuntu 14.10 (kernel v3.16.0-23) I am new to Linux environment and learning how to compile-install-boot new kernel image. I downloaded kernel 3.17.2. Compiled and built the ...
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1answer
148 views

Install 64-bit kernel in 32-bit Ubuntu

I want to use an application that is only available in 64-bit, but my Ubuntu installation is 32-bit. The application is proprietary, so I can't even recompile it for 32-bit. I've read that I should ...
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1answer
12 views

Dynamic Right sizing for TCP implementation in linux

Is Dynamic Right Sizing(DRS) implemented in linux kernel(3.4 and above) by default?.In this link(http://public.lanl.gov/radiant/software/drs.html) patches for kernel 2.4.23 and 2.4.8 are available but ...
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161 views

I can't upgrade kernel on Ubuntu Server 14.04.1

today I made a mistake and now I don't know how can I fix it. I updated the kernel using dist-upgrade and I installed Linux 3.13.0-39-generic on my server. I had Linux 3.13.0-37-generic. The thing ...