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

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12 views

Brightness function key : very slow response

I'm running ubuntu 14.04 on my Asus K55VD. brightness low function key is responding very late : aprox 30-45 seconds later the brightness is reduced. but rest of the others functions(Brightness Up ...
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4 views

“Gave up waiting for root device” on VMWare with custom kernel

I'am running Ubuntu 14.04 on WMVare virtual machine. I have built a custom kernel and succesfully installed it. But on booting up i get this "Gave up waiting for root device" message. Meanwhile it ...
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0answers
12 views

Kernel panic after upgrade to 15.10 [on hold]

Can not boot linux 4.2.9-29 generic kernel I am getting a kernel panic error. I am able to boot linux 4.2.9-27 generic kernel. Please advise as to what to do.
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0answers
23 views

Ubuntu wifi usually not working on boot, needs kernel module restart

After installing Ubuntu on my netbook, an F205TA, wifi seems to be not working correctly. Usually wifi is not working after boot, but starts working after one or more tries of: sudo modprobe -r ...
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0answers
18 views

package dependency tree with no internet

I installed Kubuntu 15.10 and it doesn't support any internet access method (wifi, ethernet, hotspot). I downloaded the network packages from Ubuntu archives with all their dependencies manually but ...
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0answers
11 views

path to source code for network subsytem [duplicate]

I am new to linux world (I guess question reflects it :) ). I am going through tutorial on wifi drivers and it says source code would be at net/mac80211/ieee80211_sta.c. I tried to look inside my ...
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11 views

Eduroam Connects but there is no Internet

So my problem is the following: I'm able to connect to Eduroam in my university (Radboud in the Netherlands) but I have no internet what so ever and I don't get ping replies from anything else besides ...
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5 views

Upgrading to latest kernel disabled by USB Wifi Dongle

I recently updated to the latest kernel, and the USB wifi dongle stopped working. I booted into an earlier kernel version, and wifi dongle works perfectly in that (I am currently using that). Can ...
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1answer
42 views

14.04 Latest 3.19 Kernel causes Kernel Panick (3.19.0-49-generic)

Let me start by stating that this post is extremely similar to this other post that was made a year ago but its the specifics that have changed and I want to double check if I should file a bug ...
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10 views

Help with one make error

I need help with this error. I'm a novice compiling and novice in Linux. I need one kernel for my rockchip tablet; I do not find any firmware work.
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0answers
11 views

Optimized kernel for intel 4200U [on hold]

Is there any kind of optimized kernel for my notebook? Just for haswell or maybe for intel hd graphics?
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1answer
31 views

Upgrade vs dist-upgrade vs apt-get install linux-headers-generic

I am running Ubuntu Server 12.04 LTS I wanted to know the difference between the three commands here apt-get upgrade apt-get dist-upgrade apt-get install linux-headers-generic-xxx My goal is to ...
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26 views

Just installed ubuntu and my wireless is not working

Hey I just installed ubuntu and my wireless is not working. It is a intel dual band wireless ac 3165. My first thought was to go to the intel and get the driver for it. So I done that and got the ...
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9 views

Slow restart from hibernation

One of our computers running ubuntu 15.10 is very slow at restarting from hibernation. Slow as in today it took it 20 minutes to restart. As in this conversation ...
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21 views

Ubuntu kernel image

I am trying to change my kernel from generic to lowlatency, so I got this package. And now have some files in: /lib/firmware/3.16.0-38-lowlatency/ /lib/modules/3.16.0-38-lowlatency/ Seems ...
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0answers
44 views

How to create liveUSB of 15.10 with kernel 4.5-rc3?

Sup, Can U link me the related resources - or better - provide a step-by-step instruction? THX for helping EDIT: So, if I give the USB some persistence storage, I can just install the kernel to it ...
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0answers
10 views

Ubuntu server 12.04 kernel panic

I am trying to figure out the reason for the Ubuntu 12.04.4 server freezing. OS and Kernel: Ubuntu 12.04.4 LTS (GNU/Linux 3.11.0-15-generic x86_64) This is a vanilla installation without any ...
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0answers
23 views

my brightness option is missing after upgrading the kernel [on hold]

My OS had some WiFi driver problem so I upgraded to Linux kernel 4.2.8. Now my brightness setting is not working. My Elementary OS is based on Ubuntu 14.04 so I checked a related question but it ...
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23 views

upgrade kernel 3.16.0.57 to 3.19.0.28

I am aware of the questions about upgrading the kernels here, but none of them helped me since they refer to upgrading to the generic versions. I'm using a framegrabber that only has driver for ...
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0answers
15 views

how do i remove the current kernel and use an older one? [duplicate]

I a using Elementary os.I had linux kernel 4.3.5.Then I installed 4.4.1 and my screen is flickering so i want to change my kernel back to 4.3.5 how can i do that ? reinstalling 4.3.5 didn't help.
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10 views

System not starting up

My laptop crashed earlier today and I've tried fixing it with a live usb but nothing works. I was getting the "Kernel panic not sync" error. I eventually used boot-repair while running the live usb ...
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0answers
28 views

Failed to load kernel modules

I've just upgraded from Ubuntu 14.04 to 15.10 and I got an error message Failed to load kernel modules the error message So, as suggested I typed : $ cat /etc/modules lp rtc What should I do? ...
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40 views

UBUNTU Ugrade tp 15.10 now laptop won't reboot

Samsung 400B laptop Yesterday I left my laptop upgrading to 15.10 (I think it was Wily something) about half way through. When I returned the laptop was hung with nothing on the screen. Hard ...
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0answers
16 views

Does anything bad happen when I type depmod?

When i was uninstalling virtualbox, I didn't see anything about removing virtualbox kernel modules, so I typed depmod in the terminal hoping that would output a list of installed ones, but instead it ...
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25 views

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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22 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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0answers
33 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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28 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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0answers
72 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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22 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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0answers
20 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
62 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
31 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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0answers
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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0answers
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
18 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
74 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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0answers
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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0answers
24 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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0answers
163 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
75 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
29 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 ...
0
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1answer
340 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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0answers
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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0answers
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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0answers
76 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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0answers
60 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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0answers
8 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: ...
0
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1answer
123 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 ...