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

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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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0answers
12 views

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

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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8 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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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
13 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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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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11 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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20 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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18 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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12 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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28 views

system crashing [on hold]

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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24 views

Re-compiled kernel, where next? [on hold]

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
24 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
110 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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0answers
23 views

Change the priority of a module after insmod

After writeing a custom module and insert with insmod how can I make it high priority in the kernel? It is a network program, if it has higher priority than default network components, will it ...
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1answer
27 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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22 views

after installed linux header in ubuntu 11, still have error linux/module.h no such file or directory [on hold]

already sudo apt-get install linux-headers-$(uname -r) in home directory i type gcc -o cli cli.c still got error linux/module.h no such file or directory then i search where is the source, i ...
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1answer
112 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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10 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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31 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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14 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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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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23 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
69 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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46 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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10 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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0answers
19 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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64 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
20 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
107 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
75 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 ...
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Is there any solution to set baud rate, line discipline etc., by only using our kernel module?

I wrote a kernel module for a touch screen monitor and earlier I used inputattach (written in userspace) to open serial port, set baud rate, control flags, line discipline etc. But now I want to ...
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25 views

Perf not found for kernel 3.13.0-031300 [duplicate]

I am trying to install perf on the ubuntu 13.10. However I am getting error: perf not found for kernel 3.13.0-031300 You may need to install linux-tools-3.13.0-031300-generic I have tried the ...
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20 views

Syslog kernel ehci-pci errors (-19)

There are much the same error messages (20+ per second!) in my syslog: Jul 14 22:17:17 laptop-joost kernel: [ 5074.090203] ehci-pci 0000:00:1d.0: port 1 resume error -19 What does this message ...
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1answer
10 views

sub par wifi with 12.04 kernel 3.2.0-29 an proprietary RT3290

I have a HP Pavillion 500-203A with RT3290 chipset and simply inserted by own Ubuntu 12.04 disk. I successfully compiled the proprietary drivers according to this guide: ...
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21 views

System freezes when copying from Hard Disk to Flash memory [on hold]

When ever I copy large files(> 1GB )to any USB, ubuntu 14.04 LTS becomes unresponsive . The Pointer Starts to hangs for a second or two repeatedly. I also feel that copying process is to slow as ...
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1answer
14 views

Replace Black screen/kernel text compiling with image

Does anyone know of a method or program that allows you no display an image instead of the black screen/compiling text that is normally displayed while booting? Thanks
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1answer
24 views

Repeated “Oops 0000 [#1] SMP” Crashes [on hold]

My installation of Ubuntu 12.04 is repeatedly crashing to black screens. It crashes during a variety of activities (watching Youtube videos in Chrome, rendering video, watching other video, playing ...
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How To Add LZMA Files

Maybe someone here can help me. Is there a way to add LZMA files? You have your uImage; you extract the kernel and then decompress it and run binwalk on it to get this (example): DECIMAL HEX ...
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13 views

My Gateway's BCM57765/57785 SD card reader isn't working

The device will not show up with "sudo fdisk -l". This is not just a corrupt card, it's been reoccurring for every card I try. This is the output from the dmesg [ 21.835685] mmcblk0: unable to ...
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1answer
34 views

kernel panic occurs in ubuntu 14.04

I have Dell INSPIRON N4050. After installing Ubuntu in my laptop and upgrading to 14.04 this kernel panic occur. It happens after every 15 or 30 minutes and my laptop reboots in 30 seconds. Help me ...
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1answer
50 views

3.15.5 stable kernel not building, “gzip: stdout: no space left on device”, /boot is NOT full

Running into an issue building the 3.15.5 stable kernel on Ubuntu 14.04 LTS. Relevant portion of sudo make modules_install install INSTALL /lib/firmware/edgeport/down2.fw INSTALL ...
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3answers
51 views

Removing newer linux kernel and retain the older one

I updated the linux kernel from 3.5 to 3.16 by downloading tar.xz file from linuxkernel.org and compiled, and subsequently installed successfully on my ubuntu machine(meaning I am able to see the boot ...
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67 views

Can't switch to Discrete GPU Hybrid Graphics ATI/intel

Just recently I had got my hybrid graphics working with DRI_PRIME=1. I obviously have the open source drivers. Now for some reason that I can't figure out it has stopped working. xrandr ...
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1answer
26 views

inserting own module in Linux kernel [on hold]

I am trying to insert module in the kernel but it shows error. I made the C file as: #include `linux/init.h` #include `linux/module.h` static int hello_init(void) { printk(KERN_ALERT "TEST: ...
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26 views

Ubuntu server 14.04 kernel panic at boot

Since when I installed netatalk on Ubuntu server 14.04 I get a kernel panic at boot. I think netatalk is the cause because I can see the word "appletalk" many times in the kernel panic screen. I've ...
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68 views

Ubuntu 14.04 realtime kernels = 3.13

I use OpenGL 4.4 drivers with ATI drivers (only for kernel 3.13) System Requirements for opengl 4.4: Xorg/Xserver 7.4 and above (up to 1.15) Linux kernel 2.6 or above (up to 3.13) glibc ...
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19 views

Update failed, what to do? [duplicate]

Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/l/linux-lts-quantal/linux-image-3.5.0-52-generic_3.5.0-52.78~precise1_amd64.deb Could not resolve 'security.ubuntu.com' Failed to fetch ...