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

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Deleted Kernels, tried to update, can't do anything with full boot directory

I tried to run a backlog of updates for my ubuntu computer (lenovo T420 if that's relevant) and received a "your boot is full" message. I've had this before and decided to remove some kernals. The ...
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110 views

Trouble installing Ubuntu on a Gigabyte motherboard

So I've been reading around here about similar problems to mine but nothing helps, mainly because everyone is having problems after the 15.04 update from 14.04 or 14.10. My problem isn't with ...
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39 views

Could not find kernel image kernal isoliunix/isoliunix.cfg

Since last 5 hours i get tired when i trying to install ubuntu through my flash memory and finally i surrender i trying all the solution in the google but nothing work i download Ubuntu 14.04.3 LTS ...
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50 views

WmWare Workstation 11 unable to start services

when I'm trying to finish the installation and the networking services try to start an error appears. this is what the log file says about: http://pastie.org/10369516 if this thread is repeated, ...
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226 views

Kernel panic Ubuntu 14.04 after accidently deleting the kernels

I was trying to free up some space in /boot by following this. I ran the last command which said it would delete all but the current using kernel. sudo apt-get purge $(dpkg -l ...
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153 views

Kernel 3.13.0-61 Update Won't Boot

I have an Acer Aspire V-7 running Ubuntu 14.04. Updating to Kernel 3.13.0-61 it no longer boots. I just get a black screen with a dash and nothing happens. Same thing with 3.13.0-62. The last working ...
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520 views

Failed to start Load Kernel Modules

I am new to ubuntu, so I will need some asistance uploading the log files as i am not quite sure where they are ATM. I currently have ubuntu 15.04 installed on a 250gb usb hd. For some reason after ...
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81 views

Ubuntu 15.04 Upgrade / LDM Issue / 219 / Black Screen

I am kinda a new in Linux/Ubuntu and the problem which I am facing now is way above my skill/knowledge: After upgrading Ubuntu from version 14 to 15 I cannot run my OS. It seems that the issue is ...
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96 views

nouveau: kernel faults and Xorg sometimes stucks; or is it hardware at fault?

Not a long time ago Ī̲ got rid of AMD Radeon HD 7700 card and purchased nVidia GeForce 8600 GTS for an Ubuntu box, since many mouths shouted “don’t buy AMD for Linux, buy nVidia”. Then Ī̲ found that ...
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78 views

Xubuntu - Kernel panic

I'm getting a sudden kernel panic error out of no where. I even tried Boot-Repair but ended up with no luck Here's my boot-repair information - http://paste.ubuntu.com/12107541/ I'm wondering is ...
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26 views

New 12.04 Ubuntu install with kernel bug message on start?

I just installed a new fresh Ubuntu 12.04.5 on a Dell laptop, I had 14.04 but as I really love 12.04 stability I decided to get back to it. I have a Windows installed alongside which I just keep to ...
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36 views

Not getting logged in after upgrade to Ubuntu 14.04

Just after I upgraded my laptop (Ubuntu) Now it was getting console on booting. I used shift to select previous version of kernel. And its going to login screen ,but still after valid password its ...
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94 views

Kernel panic with bcmwl module

Recently, I have bought a Lenovo Yoga 3 Pro laptop and installed ubuntu 15.04 on it. After booting into a live session to install, wifi was not working. I googled that i have to install ...
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44 views

Update a kernel git tree checkout of an old release to current release, instead of full download?

I have an old checkout of git://kernel.ubuntu.com/ubuntu/ubuntu-trusty.git. I want to have a checkout of the vivid.git tree instead. Do the trees have a common ancestor (in the git sense of an ...
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196 views

Problems with Logitech Orbicam webcam image - Take 2

I believe i have the same problem described in this question: Problems with Logitech Orbicam webcam image I have a Acer Aspire 5612WLMi with Lununtu 15.04 (Kernel 3.19.0-25-lowlatency), the relevant ...
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31 views

Fresh install on Lenovo Thinkserver TS130

I've tried installing several builds of Ubuntu on this Lenovo Thinkserver TS130, and cannot get one that will boot without any user interaction. The build I'm working on is the 14.04.1 downloaded from ...
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66 views

Kernal Panic on ubuntu 15.04

I came up with a kernel panic panic error on 15.04. It says end kernel panic -not syncing..unable to mount block(0,0) Can anyone help me out with this??
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143 views

Install linux 3.8.1 and wrapfs 3.8.13 in Ubuntu 14.04

I want to install and compile linux 3.8.1 and wrapfs 3.8.13 in Ubuntu 14.04. For this, I followed all the instructions on this post: Howto Compile and Install Linux Kernel 3.8 / 3.0 in Ubuntu 12.10, ...
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63 views

Upgrade 14.04 kernel without upgrading xorg

If I upgrade the 14.04 kernel to 3.19 using the linux-generic-lts-vivid package but I don't upgrade the xorg packages, will that cause an issue?
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58 views

Onboard does not work with touch

Onboard (the Ubuntu default onscreen keyboard) is working fine basically, but it does not work with touch. But this is what I need it for. I just can't press any button. I can press Onboard buttons ...
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52 views

Not able to boot after installing latest kernel Ubuntu 14.04

I am trying to build and install kernel on my Ubuntu machine. I downloaded source code of kernel 4.1.4 and installed it using $sudo make modules_install install I am getting error, Could not mount ...
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230 views

Kernel problem(KernelOops)

sometimes(almost every time) when I've put my PC on Suspend and after that I've open again, it's blocked, more exactly I can't move anything or open anything... I can't do nothing on it so I'm force ...
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51 views

How do I load Ubuntu from GNU Grub?

I've been trying to find out how to load unbuntu for a few days now, but I am at a point where I have no clue what I am doing... I'm not that savvy when it comes to Linux OS anyway... I've read this: ...
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357 views

SD Card Reader does not work with 14.04 and Dell Latitude e7440

I'm working with 14.04 with Xfce-Desktop. Because I work with 2 monitors I use the Ubuntu-Kernel 3.19. But since I've installed it my SD-Card Reader does not work any more. Can anyone help me?
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185 views

How to diagnose terrible performance on 15.04 kernel 3.19.0-25-generic

I am getting really bad performance running on my desktop machine since upgrading to kernel 3.19.0-25 and would like to know how to diagnose this. My suspicion is that it is something to do with IO ...
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20 views

Crash after loading kernel (installation)

I tried to install ubuntu on my samsung p560. Right after loading the kernel the system crashed and just reboots. So I tried installing with acpi=off noapic nolapic options. Then installation ...
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151 views

Dell Inspiron 3000 14" With Ubuntu Kernel Panic

I have the Dell Inspiron 3000 with the 14" display, Pentium Quad Core processor, and 4GB RAM that comes preinstalled with Ubuntu 14.04. It had been working very well, until some time last week, when ...
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27 views

Kernel crash sometime

know anyone how I can fix my kernel? Sometime it crash... All my PC in that moment are freezing and I can't do anything, just after I reset my PC. And after it is turning on it show me that error ...
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36 views

Mouse not working ubuntu 12.04 LTS after downgrading kernal

Beginner here,I recently downgraded my kernal in Ubuntu 12.04 so I can install my amd driver (not yet tried) but there's only problem in this kernal my mouse can't move.Keyboard works fine ,I can open ...
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231 views

Cant Remove Kernel, Not Found, No Space

I am running into a problem removing a kernel. I need to remove this 52 kernel to install some packages, but it keeps erroring out. I was wondering what steps I should take, its gummed up somewhere. I ...
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74 views

No modules in /lib/modules Linaro Deskotp

I am trying to run Linaro Ubuntu Desktop on an ARM embedded device - mainly for use of the Unity GUI. When I boot my device I get output to the screen and just before the boot process completes I ...
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35 views

Computer does not start correctly

I'm running Ubuntu 15.04 on a Dell Inspiron. When the computer first starts, most of the time it just hangs on a purple screen. I have to hold the power button to get it to turn off. When it starts ...
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279 views

Ubuntu freezes, CPU soft lockup, intermittent screen artifacting

I am relatively new to Ubuntu and I am having a few issues, regarding the software or my computer I don't know. A little bit of background - I am dual booting windows 8.1 and Ubuntu 14.04.2 and I ...
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89 views

Wifi drops on apt-get update ubuntu 15.04

need help with Ubuntu 15.04, i updated the kernel to 4.0 and i don't know if that's the reason but the wifi broke on trying on update, be it with the software updater or apt-get update && ...
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85 views

Ubuntu 14.04 Server Keeps hanging, please help!

Have several servers all identical running compute services for openstack. All except one work fine. The one and only server randomly freezes and I can only do a hard reboot to restore it. When ...
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87 views

Cpyrit Installation help

I keep having trouble installing cpyrit error is as follows Precision-M4600:~/Downloads/cpyrit-cuda-0.4.0$ python setup.py build The CUDA compiler and headers required to build kernel were not found. ...
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18 views

14.04 Booting Issues

after almost 1 year of use, right after the last update i've started having issues in booting. If i try, that's what i got: [ 0.747081] CPU: 1 PID: 1 Comm: swapper/0 Not Tainted 3.13.0-33-generic ...
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70 views

Virtual box says kernel driver not found

Every time I click on my virtual OS it says Kernel driver not found. I have tried sudo /etc/init.d/vboxdrv setup but it didn't work.
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59 views

Setup cross-compile env. in eclipse for Kernel API

I'm cross compiling for a beaglebone black (that is running debian) on ubuntu and I want to make Kernel API calls from module.h, kmod.h, or firmware.h and those don't appear to be in the ...
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37 views

ubuntu 12.04 server livecd install with modules that aren't available in the generic header

I'm trying to install ubuntu on a device with SAS drives. For this to work I need the kernel module mpt3sas. I would need this module to be loaded on startup or do it manually(modprobe) However, it ...
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176 views

modprobe mpt3sas not found in ubuntu installation but should be

I'm trying to install ubuntu server 12.04.4 LTS on SAS drives. I'm booting the installation off of a live install usb. The problem is that ubuntu cannot detect any of these SAS drives. The proper ...
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51 views

Is it possible to customize the kernel when customizing a Live CD?

I am customizing Ubuntu Live by following this answer in order to obtain my preferred ISO. This method is fine, and I have made it work with Ubuntu, Xubuntu, v12, v14, and even Kali Linux. But it ...
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22 views

Ubuntu 15,04 installation

I downloaded ubuntu 15.04 desktop for acer emachines e627. Now made a bootable usb drive out of it using Universal USB Installer. Rebooted and selected flash drive as boot priortized option too. I am ...
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65 views

Why does update-grub run so much?

For no good reason I currently have three versions of the kernel being maintained on my computer (3.13, 3.16 and 3.19). This means when a security fix drips back, I end up with three kernels being ...
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68 views

Kernel debug symbols for ARM64 Trusty

I have qemu running ARM64 Trusty image that I obtained from the ubuntu website. The image name is ubuntu-core-14.04.1-core-arm64.img. I'm trying to install kernel debug symbols onto the image. ...
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63 views

Invalid or corrupted kernel image while booting from virtual machine

When I tried to install Ubuntu 14.04.2 LTS on my laptop using vmware , the screen showed "Invalid or corrupted kernel image" at first and later showed "/casper/vmlinuz.efi: not found" .When I searched ...
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140 views

Experiencing kernel panics, freezing and network errors. Please help!

I've had my own home server now for approximately 4,5 years and it's been running fairly smooth except for some disk breakdowns etc. Although, at various times I've been having issues where the server ...
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61 views

Deleted kernel in Ubuntu

So I was cleaning boot partition and apperently deleted the current kernel alongside the old ones, since after this opertaion I wasn't able to boot any longer. I found some answers to this problem ...
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51 views

CPU Governor Not 'Idling' After Kernel Update

Last night, my laptop running Ubuntu 14.04 asked to update the kernel to 3.16.0-43. I noticed this morning that Conky is now reporting that my CPU is running around max all the time now. Before ...
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67 views

ping6 works but telnet does not work on Mobile IPv6

I am using mip6d in ubuntu 15.04. I did all steps as mentioned here with kernel 4.0.5. Everything (Mobile Node, Home Agent, Corresponding Node) works perfectly. When mobile node is in foreign ...