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

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Can't Login after kernel 3.16 upgrade

Back story I am running 14.04 everything works great, but after I installed kernel 3.16 with the command "sudo apt-get install linux-image-generic-lts-utopic" and rebooted, I am unable to login. It ...
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7 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 ...
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11 views

Best way to cope with kernel upgrade and vmware-tools recompilation race condition

I am automatically creating vmware images based on Ubuntu 14.04 using packer.io. I would like to run apt-get upgrade each time I create a new vmware base box. Yet, upgrading the kernel frequently ...
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1answer
29 views

Panic Error on Boot - Ubuntu 14.4

I recently did an update on my machine and ever since Ubuntu will not boot properly. I get an error message and I have to go into recovery mode in order to start the boot process. I have tried ...
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15 views

Customizing Ubuntu

I had a question. If I customized Ubuntu and kept some services and looks of Ubuntu then can I call it my own OS without getting into trouble. Also If I make money out of the OS then will I have to ...
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9 views

send kernel oops to kerneloops.org without kerneloops

Using Ubuntu 15.04, I have switched to use systemd log journal and removed rsyslog package. So I am now a little in unsupported territory. That does not matter to me. Except I got a nasty kernel oops ...
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41 views

How to encrypt ext4 filesystem with new Linux Kernel 4.1 [on hold]

Newest Linux Kernel 4.1 added native ext4 filesystem encryption. How to use it?
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20 views

Techwell tw6805a driver for ubuntu 14.04 LTS running 3.13.0-55-generic kernel

I am using ubuntu server 14.04 LTS and have a 16 channel DVR card installed, unfortunately it is a no-name-brand, however I have identified 8 techwell tw8605a chips on the board. I followed the ...
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1answer
17 views

Ubuntu kernel doesn't boot up right

I compiled a Ubuntu 15.04 kernel last night and installed it this morning. It showed up fine in my grub but when I tried to boot it, it booted me to my Ubuntu 14.04 instaed. What is going on? Also, ...
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1answer
24 views

Compatible kernel to build for Ubuntu 12.04.LTS

I have Ubuntu 12.04.02 with kernel 3.13. I wanted to upgrade the kernel to 3.18 using the same Ubuntu 12.04.02. Is there a possibility to breaking something. I want to debug a driver by doing so? ...
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20 views

I wanna upgrade ubuntu without updating some software [on hold]

I wanna upgrade Ubuntu Server without updating some software my Ubuntu is 11.10 and I wanna upgrade 12.04. the problem is when I run "do-release-upgrade" it will update All softwares and will destroy ...
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1answer
34 views

Why kernel version doesn't match Ubuntu version in a Docker container?

I have a Docker container built from Ubuntu 14.10. When I log in to the container to check the Ubuntu version and kernel version I see the following: root@~$>> lsb_release -a No LSB modules are ...
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30 views

Kernel Panic after trying to upgrade from 14.04 to 14.10

I have a Dell XPS 13 9343 which came with ubuntu 14.04. I got a notification of an update to .10 and went for it. Once it finished it said it completed with errors. I sudo rebooted and now the OS ...
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1answer
37 views

Nvidia driver does not install

I upgraded kernel of my Ubuntu 14.04 LTS to 4.0.5 and when I try to install video drivers sudo apt-get install nvidia-current nvidia-settings I get this error: Building initial module for ...
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6 views

Problem booting on the latest kernel (3.16.0-34)

I boot on linux kernel 3.16.0-34 atm. The machine just won't boot on later kernel versions. When I do, i get an error message on the desktop. I assume the reason I can't boot on the latest kernel is ...
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1answer
20 views

Unable to update kernel

I kept getting a kernel panic (not syncing. No init found) trying to boot my Ubuntu Server, so I burned the latest version of Ubuntu Server to a CD and booted (used option boot to fist disk) to try ...
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0answers
11 views

How can I allow *any* user to write files `/sys/kernel/debug/…`?

How can I allow any user to write files /sys/kernel/debug/...? While creating a debugfs file, I realized that only root on my ubuntu machine can access the debugfs files in /sys/kernel/debug/..., even ...
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0answers
14 views

Ubuntu Live CD with /dev/nvram available

Is there any way to make /dev/nvram available when running from the Live CD? It says on the manpage for the nvram driver that it has to be compiled into the kernel. Is it possible to do that while ...
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18 views

Debugging kernel running on AMD target from Intel host - how to return control to gdb?

I have compiled kernel 3.13.0-55 on Ubuntu on both AMD and Intel machines. I tried to copy compiled kernel to Intel target but it won't boot with that one. Therefore I have compiled the same version ...
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16 views

Update to 13.10 on USB drive causes kernel panic

Apologies if this has been answered already, but I couldn't find anything relevant. I run Ubuntu 13.10 on an external USB drive and it has been running happily (with several updates) for some time. ...
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0answers
13 views

Can't boot to new kernel, error processing package linux-image-extra-3.13.0-57-generic

Yesterday I installed the updates ubuntu presented me and now I can't boot in to the most recent kernel anymore, linux-image-extra-3.13.0-57-generic. Starting up immediately causes a kernel panic and ...
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19 views

How do I compile and install a change made to a kernel source file?

I was to apply a patch to config.c file in the drivers/usb/core directory. Specifically, I'm trying to fix the issue detailed in this post. I'm running Ubuntu 15.04 with the 3.19 kernel, a stock ...
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7 views

How to get out of grub after failed update, WITHOUT a cd reader

I tried to install the new version of ubuntu. It took a long time and i let it go on while i slept. When i woke up there was a black screen with commands saying something about the battery. I tried ...
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46 views

Ubuntu 14.04 Kernel 4.1.0devel install panic

I am trying to install kernel 4.1.0devel on Ubuntu 14.04. Machine works fine for default kernel 3.16.0-30-generic. I did the following for compiling and installing the kernel: download the source ...
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1answer
41 views

Access Encrypted Home Folder

Something happened to my laptop recently and whenever I booted it up, it freezes and my cap locks button blinks. I did a little googling on this and it appears that it is caused due to a kernel panic. ...
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12 views

Rebuild only kernel image without modules

i want to rebuild the running kernel with a very simple change (suppose only a printk). I would avoid to rebuild all modules, and simply update kernel image in /boot. Here my steps: $ sudo apt-get ...
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3answers
49 views

Old kernel version still running after several updates

Currently running 3.11.0-18, but many other later versions are installed. For some reason the updates aren't getting selected for grub: $ uname -r 3.11.0-18-generic Listing kernels: $ sudo ...
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24 views

Load newer Kernel module over older build in one on start

I am using the Intel 82579LM network card, for which there is a newer driver available on the Intel driver site. Installing the driver is no problem and after manually removing the kernel module from ...
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23 views

Error after installing new kernel

After installing a new kernel virtual box stoped working and all the solutions to try to fix it return the error. Errors were encountered while processing: linux-image-3.13.0-55-generic ...
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0answers
10 views

Reinstall an official package when custom one has overwritten it

I recently installed the Debian packages produced by running make deb-pkg to compile my own version of the Ubuntu kernel. I had given the kernel the release version 3.19.0-21-secure. All of the ...
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2answers
45 views

Cannot Get VMWare workstation to run in Ubuntu 15.04

Hi all Below is a link to the pastebin that contains the tail of the error log produced by VMware Workstation 11. Questions related to this topic are for Specific versions previous versions of linux. ...
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0answers
42 views

How to upgrade the kernel of Xubuntu 15.04 Live CD to latest 4.1/4.0.6 version?

I am trying to upgrade the kernel of Xubuntu 15.04 AMD64 live CD to the latest version available (4.1/4.0.6) so that I can try and install the same on hitherto unsupported hardware. I am using the ...
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1answer
35 views

Kernel source package for 3.16 in Ubuntu 14.04.2

I installed Ubuntu 14.04.2 with kernel 3.16.0-41. I was looking for the kernel source but the kernel-source metapackage is pointing at 3.13 and I can't see any source packages refering to 3.16. What ...
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1answer
36 views

Not using newer kernel version - Any real problems with it?

I have been searching for the answer of this question, but I couldn't find. I know I can upgrade the kernel version to the newer one, but it seems that a lot of people had problems after installing ...
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1answer
15 views

Ubuntu 14.04Broadcomm 43142 wifi problem on HP p-011tx

Ubuntu 14.04 does not show wifi connection after new installation. Device is:HP p011tx Broadcomm 43142 802.11 adapter
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0answers
47 views

Having an issue removing old Kernels

I've gotten myself into some sort of infinite loop. My boot partition is full and so I'm trying to delete old packages. When I try this is what I get: You might want to run 'apt-get -f install' to ...
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0answers
39 views

14.04 64x “Kernel panic - not syncing: Attempted to kill init! exitcode 0x000000100”

After a power outage (unplanned shutdown), attempts to reboot Ubuntu Studio 14.04 are greeted with the subject line. Additional lines include; CPU: 7 PID 1 Comm: run-init Not tainted ...
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1answer
143 views

Virtualbox 4.3.26 dkms will not install properly on Linux kernel 4.1

Hello I have a Toshiba Portege r930 with 8 GB of RAM, 320 GB HDD, and core i3 processor running Ubuntu 15.04. On kernel 4.0.5 my Virtualbox dkms works fine and the virtul machines start up correctly ...
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0answers
22 views

Will not boot normally or into recovery

Newbie here. Yesterday I put Ubuntu onto my laptop. Most things were working fine, except the shutdown command would not power off the device. Today, it will not boot normally or into recovery. Normal ...
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1answer
56 views

Kernel upgrade lubuntu 14.04

How often does system upgrades the kernel? Should I do it manually? I have ubuntu 14.04.2 and it has kernel version 3.16, and lubuntu from minimal install 14.04.2 with kernel 3.13, so I wondered why ...
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0answers
11 views

Debugging 14.04 freeze with syslog

Since upgrading to 14.04 a few weeks back, I have been experiencing a problem wherein Ubuntu will freeze (i.e. the entire UI stops working, can't drop down runlevels, etc.), and the only solution is ...
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0answers
16 views

Linux Kernel and drivers [duplicate]

Does the kernel have every driver software built in or does it have to identify the platform it's running on and source the relevant drivers from the internet? The reason why I ask is that I have ...
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1answer
32 views

Cannot login ubuntu 15.04

I've got a problem logging into my user from the graphical start screen. When I write my password there is som flicker and some error messages on the screen before it returns to login again.This ...
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1answer
173 views

Cleaning old kernels does not work

I am a new Ubuntu user, so please have patience. It all started when my /root partition became full. It was obviously too small and I will have to resize. I tried to remove kernels using Synaptic and ...
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0answers
42 views

Regarding installation difficulties on a new Dell Inspiron 3451

I recently ordered a Dell Inspiron 3451 (see here and here), and after booting it up once with the pre-installed 14.04 I realized that I wanted to replace the Dell-laced version with a clean, vanilla ...
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0answers
10 views

During startup, why does my computer reboot before or shortly after the Desktop appears?

I think it may be a virus in the system area because I scanned the 'Home' folder with both ClamTk and Comodo with updated AV databases and found no culprit. But when I choose 'Advanced Options' from ...
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0answers
39 views

Error using apt-get

Hi I am getting an error whenever I use using apt-get. For example, when I try sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done ...
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1answer
56 views

Kernel update today didn't need password?

I'm here to ask about today's kernel update. Few days ago (June 15) I updated Ubuntu's kernel to 3.13.0-55. But strangely, today when I searched for updates, Ubuntu told me to install the same ...
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51 views

Linux Kernel acting weirdly

This probably is a bug, but I am not sure, that's why I'm posting this here. I am running Ubuntu 14.04 using Linux Kernel 3.13.0-55-generic on Dual Boot with Win 8.1 on a Lenovo Z510. Lately the ...
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0answers
21 views

CPU usage becomes extremely high after opening laptop lid after upgrading to kernel 3.19

So I recently upgraded my kernel to 3.19, and now, whenever I close my laptop's lid and re-open it, the CPU usage will spike to ~75% on all four cores of my CPU. However, Activity Monitor doesn't list ...