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

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Random freezing / Kernel panic

For some odd reason, my computer has crashed twice today, of which one time, there was a kernel panic. I believe it may have something to do with the radeon drivers, but I'm not so sure. To be clear: ...
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0answers
19 views

How do I resolve a kernel panic without reinstalling?

I forgot to make a backup and it would take forever to reinstall and get it to a point I could use even if I were to copy over the home folder. I recently got a kernel panic with the message ...
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15 views

Repacking A Kernel

I am trying to pack up my server kernel I made with the packages downloaded and web page files all included. Basically this will allow me to put the same distro I have made on my dev board onto other ...
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15 views

Not able to mount the mass storage device on Linux Kernel 2.4

I am using Linux Kernel 2.4 in my device. I am trying to access a mass storage device on the system. I used dmesg, the message was as follows. [11934.162899] sid:type=1 vend=1228 prod=5409 ...
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1answer
26 views

Synaptic touchpad on laptop not working after update

I have found this solution from a thread a while ago but its temporary fix only: This seems to be a bug in 12.04.2. As stated in comments, a simple fix would be unloading the mouse driver ...
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10 views

What is cost of kernel-mode switch on Ubuntu?

What is the cost in CPU cycles of a kernel-mode switch, so from user mode, to kernel mode and back to user mode, on Ubuntu?
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1answer
36 views

My ntfs partition appear so many

My Windows 8 is missing in grub after installing a new linux distro (elemetary os), I already have Ubuntu. I booted into liveUSB and ran boot-repair and was Grub fixed, but when I boot into Ubuntu ...
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4 views

kerneloops General Protection Fault

I have had Ubuntu installed on my system for the past few weeks and I keep getting a kerneloops General Protection Fault. I think it is related to my AMD Raedon HD 5650 because I took it out of my ...
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29 views

Ubuntu kernel panic

Ubuntu ask me to upgrade my Ubuntu version from 13.10, to 14.04, so I said yes and I could not upgrade it because I didn't have enough space in /boot. I did my research in google, and I found this ...
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9 views

kernel crash after applying kde window theme unsuccessfully?

I had been trying a bunch of different themes in KDE just because I kind of like to do that (don't judge me) and when applying a theme that emulates the windows 7 titlebar, kwin and kde started ...
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1answer
19 views

Respect BIOS-specified CPU speed without kernel patches, etc. in 14.04

I've got a machine running "in the wild" in a very hot environment running an AMD chip which is overheating. I don't have physical access to the machine, but I have had someone change the CPU clock ...
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15 views

How to config the linux kernel?

I have a question on the kernel configuration in the Linux AndroidHLOS SW package in the Ubuntu developing environment. I checked the .config file in our target- the android mobile phone, the ...
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17 views

Grub doesn't boot after kernel upgrade

I upgraded my ubuntu 12.04 LTS via terminal and now grub doesn't find any kernel. I tried to look inside the /boot folder via grub terminal, but on my primary hard disk the folder seems to be empty. ...
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11 views

Kernel debugging

I am trying to set a kernel debugging between 2 Ubuntu machines, using a com port. It just does not work. I have tried to compile 3.15.6 kernel from kernel.org. Can somebody please help me? I am ...
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0answers
48 views

Cleaning up old HWE stacks?

I've been running 12.04 since release and have updated to every new HWE stack. I am currently on 12.04.4. Does anyone know how to clean out all the old versions of HWE? I currently have way too many ...
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19 views

what kernel should be used with ubuntu 12.04

I have 2 computers with intel i5 cpu's, both of which are running Ubuntu 12.04.4LTS. However, one has kernel version 3.2.0-67 and the other has kernel version 3.13.0-32. Both have all the latest ...
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1answer
10 views

linux-image-virtual packages empty in 14.04 trusty?

I can't seem to get a linux-virtual kernel (for VMs) installed in trusty. The packages install perfectly fine, but they simply are empty, without anything except changelog and copyright files in ...
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1answer
37 views

Do I need to upgrade my kernel?

my first post here, so be kind, lol, I know you will be. I run a dual boot between Windows 7 Home Premium 64-bit and Ubuntu 12.04 LTS, and the Linux is a whole new learning curve for me. I bought an ...
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26 views

Custom Ubuntu 14.04 Trusty Tahr Live ISO - For TrafficSqueezer

I want to make custom Ubuntu v14.04 based live ISO with my TrafficSqueezer stuff in it. This allows users to directly use this Live ISO directly as a WAN optimization device without installation. ...
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16 views

You do not appear to have the sources for the 2.6.32-042stab084.26 kernel installed [closed]

While trying to install asterisk 11 on my vps running ubuntu got this error,please help? the code is pasted below root@aldocano:/usr/src/dahdi-linux-complete-2.9.2+2.9.2# make && make install ...
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11 views

No build folder for older kernel module

I am on Ubuntu 14.04, but I need to run a Linux kernel <= 3.8 in order to use a tool that is not compatible with more recent versions. I installed the linux headers and image from here, but I ...
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0answers
5 views

Firewire-core: bypassing the 1 second grace period

I am currently using the firewire cam AVT Guppy F080b and the IIDC Camera Control Library to store images whenever the camera is triggered. The application is not allowed to miss any trigger at any ...
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1answer
17 views

add multicast ip address into kernel route table

i want to add an IP (multicast 228.0.0.4) in the range of 224.0.0.0 – 239.255.255.255 in the kernel routes table, so i used sudo route -nv add -net 228.0.0.4 -interface eth0 but it gives me: ...
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21 views

HWE update for 12.04, now programs don't run--fixes?

I recently updated the kernel on 12.04 to a version that is going to be supported until 2017. Problem is, FlightGear and Celestia don't run now, but I believe it's vitally important to run a ...
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1answer
25 views

Conky does not show cpu temp

I am trying to use conky to minitor my system but it is not showing CPU temperature, lm-sensors, hddtemp are installed, I answered yes to all questions running sensors-detect and at the end it shows: ...
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1answer
24 views

Installation ncurses to run command menu config

I am trying to upload new kernel apart from default one. but while installing ncurses getting error I tried with following options 1) sudo apt-get install ncurses-dev then got error 404 Not Found ...
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27 views

System Updated to 3.13 Kernel that won't boot

Recently, I got a message that told me automatic updates to my hardware would end 8/07 and decided to update my system to the latest kernel version 3.13. I'm running Ubuntu 12.04 on some fairly old ...
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19 views

Use an older version of batman-adv on 14.04

I have a number of BeagleBone Black (BBB) boards running a batman-adv mesh network. The batman-adv version built into the BBB image (kernel 3.8.13) is 2012.5.0. My desktop and notebook clients all ...
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19 views

Kernel Panic when starting

Installed Ubuntu on new laptop with Win8.1 installed from USB key. Worked fine and could dual boot. Installed updates and rebooted when instructed Got following message when booting into ubuntu: ...
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30 views

system crashing [closed]

I am very new to linux and Ubuntu. I only installed it on an older laptop recently to try to get some more mileage out of it. I wish I could post a photo of the "kill screen" but basically my system ...
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0answers
24 views

Re-compiled kernel, where next? [closed]

I've recompiled the kernel and installed it. I can see my new kernel version with uname -r, where can I go from here in exploring the kernel? I would like to know if there is some small update I can ...
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0answers
30 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 ...
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1answer
269 views

“Your current Hardware Enablement Stack (HWE) is going out of support”

My ubuntu system now says; Your current Hardware Enablement Stack (HWE) is going out of support on 07. aug. 2014. After this date security updates for critical parts (kernel and graphics ...
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24 views

Change the priority of a module after insmod

After writing a custom module and insert with insmod how can I make it high priority in the kernel? If is a network program, and if it has higher priority than default network components, will this ...
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1answer
32 views

Downgrade Ubuntu 12.04 kernel to 2.6.x

I currently have the most up-to-date kernel (Linux user-desktop 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux) of Ubuntu 12.04 on my x86_64 computer, but ...
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1answer
187 views

How does LTS combine with HWE out of support

This is a rather general question, but I'd really like to know where I got it wrong. Less than a year ago on one of my laptops, I installed Ubuntu 12.04 precise (Kernel 3.8.x) Now I am told that HWE ...
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13 views

find the .config file for linux kernel 3.10.48

I'm trying to compile kernel source code(3.10.48), and I wanted to know that how can I find or retrieve the .config file for the kernel?
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44 views

How to BuildMyOwnKernel, bumping +1 for revision number version?

I'm facing a hard time with Linux 3.13 from Trusty but, it is another topic (http://www.mail-archive.com/ubuntu-server@lists.ubuntu.com/msg06775.html), so, I decided to backport the Linux 3.16 from ...
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15 views

booting Ubuntu 14.04 in VirtualBox [duplicate]

In trying to boot Ubuntu 14.04 in VirtualBox on Windows 7, I get this message: "This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot. Please use a kernel appropriate for ...
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15 views

Ubuntu 14.04 libnetwork.so crash for unity control centre

I am new to ubuntu and I am kind of stuck with network. I was having problem with connecting to wifi networks. Now the problem was that the network settings show the wifi networks available but when I ...
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0answers
19 views

how to install ksymoops on Ubuntu 14.04

I want to analyze kernel crash(Oops) using ksymoops. I am trying to install ksymoops on Ubuntu 14.04(LTS) 64 bit using command sudo apt-get install ksymoops but unable to install. Below mentioned ...
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24 views

Kernel compilation

I'm trying to compile a source Linux kernel (version linux-3.10.48). Using the make menuconfig command, all the configurations are done and the .config file is saved, but when I'm compiling the main ...
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2answers
73 views

Config file accidentally deleted

I accidentally deleted the kernel config file found in /boot. So I have 2 questions. Does this affect the system by any means? and I am trying to compile the Linux kernel now and was looking to ...
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50 views

kernel 3.13.0.32 Fan RPMs greatly increased

I have just updated the kernel from 3.13.0-30 to 3.13.0-32 for Ubuntu 14.04 that has all "stable" updates. As soon as I rebooted (several times) the two computer fans went from the average 1400 RPM ...
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0answers
14 views

EDCA do not prioritize the traffic correctly on atheros card

I am trying to make some tests on my Atheros card (3com, 11a/b/g Wireless card, 3CRPPAG175). I observed that for Voice and Video packets the band is divided by half. I expected that Voice will be ...
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23 views

error while booting xubuntu 14.04

I get a message on the screen every time I load xubuntu 14.04 on my xp mini, which says: " Support for core revisions 0x17 and 0X18 disabled by module paron allhusupport=0. Try013.allhusupport=1. ...
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72 views

Important installations failed

I have a new computer with ubuntu 12.04 LTS ready installed. I get a message telling me to install an important security update 'Linux kernel image for version 3.5.0 on 64bit x86 SMP, but install ...
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2answers
22 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?
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1answer
120 views

ubuntu 12.04 kernel 3.13.0.30

I have a Dell Inspiron 15 with ATI graphics card. Everything was working without any problems until kernel 3.8. During the regular updates Ubuntu suggested to update to kernel 3.13.0.30. After that ...
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1answer
99 views

Intel AC 7620 No Internet, Still Connected to Network

I bought a new Asus n550jv laptop which has a Intel AC 7620 wireless card inside of it. I installed Arch Linux on it and noticed that I will be connected to my corporate wifi and every once and a ...