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

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What is random : Nonblocking pool

I saw this message by dmesg and also by replacing quiet splash with debug in grub boot menu. Why is it that my Ubuntu gets stuck at random: nonblocking pool is initialized and takes too long to ...
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20 views

Kernel panic after upgrading system

I was upgrading ubuntuu to 16.04 today and left computer. When I came it was in the sleep mode. I was trying to enter the password thousands time, but it didn't work so I just turned it off. Now when ...
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27 views

Build ubuntu-kernel-test mainline-crack v4.4 kernel fails to clean

fakeroot debian/rules clean step fails due to a missing ubuntu/ directory when building the Ubuntu kernel team's upstream branch of Linus' v4.4-rc8 . Is there another patch besides the three at ...
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19 views

Differences between two Ubuntu Server 14.04.3 installations

I have a server at my house that runs Ubuntu server 14.04.3 LTS right now. george@sf1:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS ...
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32 views

How to get normal terminal or impement new intel i915 drivers to 4.2.0-27-generic kernel

I had problem with intel i915 drivers (get gpu hang) like this on Linux version 4.2.0-27-generic (buildd@lgw01-12) (gcc version 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2) ) #32-Ubuntu SMP Fri Jan 22 ...
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20 views

Is any there real drawbacks for a python developer when running MAC book air off Live USB only? (Kernal panic at every attempt of installation)

I have been trying to install Ubuntu 14 on a mac book air crica 2012. First attempt with Yosemite +refit --> Kernal Panic and lost the whole HDD and even the OSX installation that worked Second ...
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11 views

Mouse disconnecting randomly 15.10

My mouse randomly freezes (disconnects?) and connects again, CPU doesn't have to be peaking, when I'm working on desktop or in a game and move my mouse it sometimes stops for a second. Ubuntu 15.10 ...
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1answer
43 views

Error at installing dkms(newbie here)

i on_arapu@Arapu-Ion-PC:~$ LANG=C sudo apt-get install dkms [sudo] password for ion_arapu: Reading package lists... Done Building dependency tree Reading state information... Done dkms is ...
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1answer
27 views

Ubuntu 14.04.2 kernel version changed after recompiling

I have been given an assignment where I have to recompile a 64-bit kernel without any modifications and make the new kernel as the default kernel in grub. I am doing this on an Ubuntu 14.04.2 64-bit ...
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8 views

Kernel panic on Ubuntu 15.04, possibly due to Gnome

I'm running Ubuntu 15.04 with Gnome Desktop 3.14.4. I get a kernel panic whenever I switch Wifi networks e.g. if I try to load a webpage over a slow network, and I switch to another network without ...
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2 views

Network Interface Device Naming on tftpboot

We are doing a netboot via tftpboot on some new nodes we installed. Basically, I can't figure out how ubuntu decides to name the network interface for each node. A line in our pxelinux.cfg looks like ...
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1answer
17 views

kernel panic and Stack with CapsLock and ScrollLock

I just installed ubuntu 14.04 in a machine with ASUS H81M-K (Bios 1002 8/12/14) with pre-existing Windows 7. The system is dual boot with one HDD. While there was no problem during installation and ...
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1answer
50 views

Graphics broken after 4.2.0-27 update

I was using Ubuntu 15.10, driver nvidia 358 from graphics-drivers PPA, my discrete card is GT-650M. Some time after said update, I had some ugly poligons and horizontal lines on my notebook, and ...
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13 views

Recovery action for reserved kernel page: Failed [migrated]

Fresh install of 15.10 server. 4.2.0-16-generic Not sure what to make of the following (found in /var/log/kern.log): Feb 1 11:49:30 Client-5 kernel: [ 117.847487] MCE 0x1182: reserved kernel page ...
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21 views

Upgraded Ubuntu 14.04 to a newer version, cannot boot: end Kernal panic - not syncing: Attempted to kill init!

I've been using Ubuntu 14.04 for a few months now and thought I'd update to a later version. Therefore, I followed this query (Update Ubuntu 14.04 to 15.04) and upgraded. Oddly enough, when I checked ...
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104 views

Linux generic-lts-trusty depends: linux-generic but it is not installed

I am using Ubuntu 14.04.3 LTS and kernel is "3.13.0-76-generic". But when I am trying to upgrade it by the following command: sudo apt-get upgrade I am getting the following dependency related error: ...
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1answer
56 views

1 Help with installing Nvidia drivers in Ubuntu 14.04

I am trying to install an Nvidia driver for the GeForce GTX 750 Ti graphics card I have but I am running into some issues in the process. Running Ubuntu 14.04. Essentially, I have followed the ...
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1answer
24 views

What's the best way to try newer versions?

I'm running Ubuntu 14.04 LTS in two computers. One is the desktop version, my alternate (and almost) everyday computer, and a second server (headless) version.Eventually the server will be a ...
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1answer
277 views

Network disabled after update kernel to 3.13.0-77-generic on ubuntu 14.04.1 [duplicate]

my network are disabled after update kernel to 3.13.0-77-generic on ubuntu 14.04.1 (Voyager Live 14.04.1 amd64). After update and reboot Wifi indicator on panel is disappeared and conky on desktop ...
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9 views

How to install new LINUX version along with LINUX FIRMWARES in Ubuntu 12.04? [duplicate]

I am facing a peculiar position after reinstalling Ubuntu 12.04 LTS. I have a separate / and /home folder. After running the command uname -r, i see that the linux running on my laptop has version ...
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16 views

Not able to install any linux distro

I messed up with my ubuntu 15.10. I was trying to install gnome-desktop-environment by running the command sudo apt-get install gnome-desktop-environment, but I closed the process in between. After ...
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70 views

Network disabled on boot

Im running LXLE 14.04 (lubuntu based) dual boot with Windows 8.1 Recently I installed 3.13.0-77-generic headers and everything was fine until I did a reboot and chose 3.13.0-65-generic. My network ...
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44 views

Black screen with kernel 4.5

I have Ubuntu 14.04 LTS installed in my laptop in dual boot with windows10 and it worked fine but the Wifi. So I read that I have to copy some firmware files and if still doesn't work update the ...
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0answers
18 views

kernel oops after using aptitude

I tried to install dangerdeep using instructions given at this site then when I tried to run this command, scons debug=1 datadir=`pwd`/data it gave this output: scons: Reading SConscript files ... ...
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7 views

Crash Dump - cannot find booted kernel

I installed crash dump across many servers recently and now I'm digging into the docs to figure out how to analyze the logs. I try and get into the crash utility, but get the following error: crash: ...
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1answer
99 views

apt-get can't install/remove linux-image-4.2.0-25-generic

I tried to install a package (jsonlint) via apt-get on a Xubuntu 15.10 system and it failed due to an error installing linux-image-4.2.0-25-generic . This was a new, clean install of 15.10, Jan 15 ...
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0answers
28 views

Ubuntu Xenial 16.04LTS Kernel panic - not syncing [closed]

I upgraded my Ubuntu to the development version of 16.04. But due to inconsistent network, while upgrading some packages may have been broken. Now I get this kernel panic error saying can't open ...
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0answers
28 views

Cant boot help! http://paste.ubuntu.com/14686337/

I did a boot repair and was given this link to copy down I'm a new user and I'm lost at this point by http://paste.ubuntu.com/14686337/ I had 15.04 installed went to install 15.10 did an erase all ...
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0answers
26 views

Where can I find elantech patch update for linux-headers-4.2.0-25 or support

I'm using Kubuntu 15.10. I tried to compile 01elantech_2.6.38.patch for my touchpad of my new laptop ASUS X555UF but I've got lot of error. I suspected the downloaded patch is not uptodate. make: ...
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13 views

how can I use SquashFs to speed up boot time in cubieboard? [closed]

I would like to compile linux-sunxi for cubieboard. How can I use SquashFs to speed up boot time ?
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42 views

“apt-get build-dep linux” alternative (offline machine)

How to install build dependencies for package linux? There are at least couple of problems I see: Machine to be used is offline one. There is no "linux" package according to "apt-rdepends" (although ...
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0answers
18 views

internet works fine for few minutes but stop after a minute

I just installed Kubuntu on y HP pavillon 15-p088ca and everything was all right since my Internet stopped responding. I tried to ping localhost : everyting was fine, try ping google.com : nothing... ...
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1answer
23 views

How to receive a desktop notification on a kernel lockup or bug/warning?

Apport doesn't react at all on any segfaults/problems warnings that happen in kernel [modules], the only way I know of to see them is to check kernel log (dmesg). I'd like to receive a notification ...
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26 views

How to access the menuconfig when building the kernel from source?

My Computer is Applex ARMCHI 815, I need to install the Touch panel drivers. At the docummentation of dirver says. **2.1 Patch kernel module To install driver, please check module ...
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0answers
20 views

Change maximum number of Virtual interfaces in Kernel

I am running Ubuntu server 14.04.3. I have smcroute installed - Version 0.95, Build 130523. When I attempt to start the daemon I get the error message: ERRO: addVIF, out of VIF space;, this happens ...
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9 views

How to setup eclipse with CDT plugin for linux kernel module development?

things which I am looking for are code auto-completion and code navigation. I tried the following https://wiki.eclipse.org/HowTo_use_the_CDT_to_navigate_Linux_kernel_source blog and successfully ...
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43 views

Ubuntu won't boot after installing a new kernel

I am a software tester, and I'm trying to test a kernel module on a variety of Linux kernels (3.2+). Currently I'm trying to compile the module, mount it and run an automated test suite on all Linux ...
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1answer
17 views

How to download dbgsym kernel for 15.10?

I have an issue trying to find the dbgsym kernel from the ww repositories. Unfortunately i cannot find it. My system crashes when running wine and chrome and i am trying to read the crash dump. ...
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0answers
84 views

touchpad not working under 15.10 with kernel 4.5

Sup, what can I try to make it work? PC is Asus K751LJ-TY316T. I did not try anything further from installing the new kernel. ⎡ Virtual core pointer id=2 [master pointer ...
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37 views

Updated kernel to mainline (4.3.3), but apt-get upgrade keeps downloading headers & image for 4.2

I have a Surface Pro 2 running ubuntu, and prior to kernel 4.x it's been quite problematic (wifi/trackpad/screen etc). I've been updating my kernel to mainline, first 4.0, then 4.2 and more recently ...
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2answers
27 views

Why showing two vmlinuz and initrd.img in update-grub?

shady@shady:~$ sudo update-grub Generating grub configuration file ... Found linux image: /boot/vmlinuz-3.13.0-76-generic Found initrd image: /boot/initrd.img-3.13.0-76-generic Found linux image: ...
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0answers
11 views

Capturing a kernel dump from a CPU soft lockup at boot?

I am SAN Booting an Ubuntu server and have configured the 14.04.2 client to the best of my ability according to: https://wiki.ubuntu.com/Kernel/CrashdumpRecipe It seems like the article works fine ...
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0answers
20 views

My pc not working properly 14.04

Every time my pc facing an internal error (Kernel oops). I have attached the photos below check it my android studio and java not working properly. Always outof memory error 8GB - Ram Intel - i7 ...
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76 views

I am currently running on 3.13.0-76-generic Kernel version on Ubuntu 14.04 LTS, How to upgrade it to the latest version?

I am currently using Ubuntu 3.13.0-76-generic Kernel Version and I want to upgrade it to latest stable version? Also What are the advantages of using latest kernel versions.
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1answer
81 views

How to apply kernel patches

I've been installing kernels from mainline repository - all simple there, just *.deb files, one can do simple dpkg -i on them. But how can one apply the patches 0001-base-packaging.patch , ...
2
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1answer
65 views

Can I delete the folder /debian/dbgtmp (in root)?

I found having a folder called /debian in the root folder (/) which is 2.5GB of size. It contains a single subfolder called dbgtmp that contains several other subfolders. I'm almost sure that ...
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1answer
68 views

Wi-fi Atheros pci.id 168c:0042, problem while wifi driver installation

I followed the steps suggested in the following solution: Qualcomm Atheros Device [168c:0042] (rev 30) Wi-Fi driver installation But the terminal shows the following:/-------------- | Your kernel ...
22
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4answers
1k views

Where is “uname” pulling information from?

Where is uname -i pulling the information from? Do the details exist in /etc/? Do the details exist in /proc/? If so, which file is it referencing to output those details?
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13 views

philips spc900nc/00 drivers for ubuntu 15.10

I have this old webcam, the philips spc900nc/00 but can't find any software to drive it and need help... I have searched and searched but the only place with some information is this site; ...
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1answer
28 views

Problems compiling a kernel (3.4.110) on xubuntu 15.10

I am not sure if i am in the right forum for this, because it's more of a debian/kernel thing, but it is worth a try. I have to set up a linux system to work with EtherCAT ( for a machine control ). ...