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

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Make an USB live system from an installed Ubuntu 16.04 (not from ISO)

I have an installed amd64 Ubuntu 16.04 and the kernel updated to linux-4.7-rc6. I now want to create from this (note: not from the ISO) a bootable USB key with a minimal live system. It should not ...
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33 views

Headers for the kernel were not found

Im trying to install the guest additions for the virtualbox. my main operating system is xubuntu and the OS on the VB is ubuntu 14.04 so I have the iso file on CD (the computer is offline), and when ...
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0answers
32 views

Can't suspend to ram since linux 3.8 kernel - 16.04LTS

With ASRock N68C-S UCC motherboard, suspend always works until ubuntu 12.04 include. But not since 3.11 kernel (even with 12.04). Also, suspend don't work with 14.04 and 16.04. I would like to make it ...
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1answer
152 views

Ubuntu 16.04 with linux 4.7-rc6 kernel

I know (and I did it) how to make an USB key with Ubuntu 16.04 amd64 on it. What I do need for a special hardware purpose is a kernel 4.7-rc6 on this USB key because only this will bring support for ...
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1answer
204 views

“Lvmetad is not active yet, using direct activation during sysinit” on boot?

Some time ago I installed Ubuntu 16.04 on my PC. Everything went well and no problems so far. When the first kernel update came out I could not start it and got the following error: Lvmetad is not ...
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21 views

Ubuntu Server won't work in QEMU: KERNEL PANIC

I tried to install ubuntu-16.04-server-amd64.iso in QEMU as a virtual machine. This was my command to generate the image file: qemu-img create -f qcow2 confImage 100G After creating the image file ...
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24 views

Error in installing kernel

In trying to fix this problem and others I thought I would try downgrading the kernel to the one I was using in 12.04, which ran perfectly. I downloaded the following kernels: linux-headers-3.2.0-...
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1answer
33 views

kernel takes long load time

nearly I bought a ssd and installed ubuntu 16.04 , everything is ok but my bootup time is too long instead of my friend's ubuntu , so i ran systend-analyze and find the kernel load time is too much ...
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19 views

“Invalid Magic Number” after updating kernel post-install

After selecting Ubuntu from the GRUB menu, I immediately get an error as the title describes. The only line before this is about loading the ramdisk (I can take a picture and post it to Imgur or ...
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1answer
65 views

16.04 - newest kernel cannot be removed

My sound stopped working after upgrading to linux-image-4.4.8-040408 (I am using 16.04). I tried the steps specified here help.ubuntu.com but got stuck when trying to execute sudo apt-get install ...
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1answer
20 views

Issue while updating my Ubuntu 14.04

Kindly help with this issue. http://paste.ubuntu.com/18866967/ Details of the system Kernel Linux 3.19.0-33-generic (x86_64) Compiled #38~14.04.1-Ubuntu SMP Fri Nov 6 18:17:28 UTC 2015 C Library ...
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28 views

Network problem Intel card over crossover ubuntu 16.04

i am working with ubuntu linux 16.04 kernel: 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux i have build up a small cluster with drbd, corosync and ...
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1answer
15 views

Kernel error: hdaudio no AFG or MFG node found

During boot on my laptop (running 16.04, all packages updated) I get hdaudio errors about no AFG or MFG node found. The sound works, and I'm not sure what this error is trying to tell me. From ...
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25 views

System freezing… No way of capturing the reason why?

I have a PC that has a number of peripherals connected to it that is intermittently experiencing a freeze of the OS. There are 6+ USB devices and four monitors connected to the PC. Details of system:...
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27 views

How to install ACS override and i915 VGA patch?

When using arch linux you can just install the "linux-vfio-lts" kernel using a single program, called pacaur. However I am attempting to try use GPU pass through using Ubuntu Server 16.04 LTS and I am ...
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1answer
110 views

Package udev is not configured yet

Today I decided to upgrade my Ubuntu Desktop 14.04 LTS to 16.04. Unfortunately, the upgrade process crashed on the way, no idea why. When I reboot I am left only with a black screen, if I choose the ...
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69 views

How to remove old kernel in 16.04

I am using Linux Ubuntu mate-desktop 4.4.0-24-generic #43-Ubuntu SMP Wed Jun 8 19:27:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux. Just recently I am experiencing problems with updating and ...
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17 views

Packages Required for arm64 bit kernel compilation

Hello Guys Hope you are doing good :) I am using Ubuntu 16.04 and I want to compile an arm64 kernel for my android device which is msm8916 snapdragon 410 I installed the build-essential package but ...
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113 views

How to add a local file (kernel) to Ubuntu MATE 16.04 install and make /boot FAT32? [closed]

I am attempting to install Ubuntu 64-bit, Mate 16.04 onto ( along with another major Ubuntu based Distro using two different, one for each) MicroSD cards for my new GizmoSphere Gizmo 2 computer. ...
3
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1answer
118 views

Kernel load module error during boot up

I'm using ubuntu 15.10 on a dell laptop. It works fine but recently I've been getting slow boot times (~1 minute). So I was looking around and when I read the /var/log/boot.log file, I see the ...
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94 views

Ubuntu 16.04LTS freezing after login, desktop frozen, mouse moves but cannot click

Ubuntu 16.04LTS freezing after login, desktop frozen, mouse moves but cannot click. This happens after the computer has been asleep for awhile left unattended as it's primarily just a server. I've ...
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51 views

Login loop after removing old kernels

I used the last command of this answer to remove (many) old images and kernels. My current kernel is 3.16.0-76. After that I am stuck in a login loop. I already tried/checked the following things ...
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7 views

Noisy Sound when turning computer on 14.04

I have had the OS for a while. I installed 14.04. Hrre is my "uname" info just in case: myname@myname-Inspiron-5558:~$ uname -a Linux myname-Inspiron-5558 3.19.0-64-generic #72~14.04.1-Ubuntu SMP Fri ...
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1answer
82 views

Installing the latest kernel

Which deb files(http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc6-yakkety/) are relevant for 64-bit install. The instructions mention not every 64 filename should be installed(https://wiki.ubuntu....
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34 views

Unable to boot the System to Ubuntu

System is not booting to Ubuntu. It hangs immediately after [ 51.152935] ACPI: Added _OSI(Processor Aggregator Device) kernel dmesg. [ 0.463584] Switched APIC routing to physical flat. [ 0....
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55 views

Failed to find cpu0 device node at every boot

I am using Ubuntu 16.04 with Kernel 4.7 RC6 and at every boot I got the message: Failed to find cpu0 device node. It is something to fix or is nothing important ?! Can you help me ?! Thanks in ...
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28 views

uname shows uninstalled kernel version

This is the list of installed kernel versions on my system: bwvdnbro@wixie:~$ dpkg -l | grep linux-image ii linux-image-3.13.0-73-generic 3.13.0-73.116 ...
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70 views

How do I recover from a failure to boot Ubuntu 16.04 after upgrading from 14.04?

I recently upgraded my venerable 12.04 Ubuntu Desktop (which was itself upgraded from 8.04 and 10.04) to 14.04, which worked fine (I spent five days checking hundreds of files and settings). I never ...
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1answer
36 views

Realtek r8191SU driver for kernel >= 3.10

I'm trying to build driver for my WiFi dongle which reports as rtl8191SU, however with no luck as the official drivers from RealTek seems only to go to kernel version 3.0.2, while the current version ...
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59 views

Ubuntu 16.04 constantly freezing leading to kernel panic

I had issues with my laptop constantly freezing. So I found a post where someone had suggested updating the kernel to remedy the issue. I followed the steps outlined here: http://askubuntu.com/a/...
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1answer
94 views

Can't install AMD drivers ubuntu 14.04

So when i try to install AMD driver from their website it always give me that error: Please install the required pre-requisites before proceeding with AMD Catalyst installation. Please check file ...
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1answer
106 views

Cryptic message about linux-image-4.4.0 when trying to install anything (or upgrade) 16.04

I'm getting this frustrating message. I didn't mess with anything system related. Reading database ... 264956 files and directories currently installed.) Removing linux-image-extra-4.4.0-21-generic (...
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0answers
21 views

Kernel panic immediately after grub when installing Ubuntu on a PC

I just bought a second hard disk for my PC so I could install Ubuntu. I can't even launch the installer, Linux panics immediately at kernel init. Looks like it's related to https://bugs.launchpad....
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10 views

Creating memory pool for driver module

I have created my own memory pool for cache and inserted my module into kernel space in Linux 2.6 and it has worked. It has displayed the cache information using cat /proc/slabinfo. PROBLEM: My ...
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1answer
68 views

Exceptional levels of kernel spam about “MR_DCMD_PD_LIST_QUERY failed/not supported by firmware”

Jul 1 22:17:14 nosgoth kernel: [1382019.484038] megaraid_sas 0000:01:00.0: MR_DCMD_PD_LIST_QUERY failed/not supported by firmware Jul 1 22:17:15 nosgoth kernel: [1382019.516031] megaraid_sas 0000:01:...
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0answers
15 views

how to determine right amount of max_user_watches

I'm running maldet to monitor a few web root directories and it failed to start with below log messages: $ sudo tailf /usr/local/maldetect/logs/inotify_log Setting up watches. Beware: since -r was ...
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0answers
52 views

Apply patch to Macbook Pro 11,4 to fix Power/Suspend

I have successfully installed Ubuntu 16.04 on my 15" Macbook Pro mid-2015. Currently, shutting down and suspending does not work, but I found this patch here that applies a patch to the kernel. I ...
3
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1answer
72 views

Can't upgrade because of kernel dependencies

I get the following error when trying to upgrade: The following packages have unmet dependencies : linux-image -extra- 3.16.0-73 -generic : Depends : linux-image- 3.16.0-73 -generic but it is not ...
0
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1answer
29 views

Blank screen after kernel auto-update in Ubuntu 15.10 (from 4.2.0-41.48 to -42.49)

First time this happens to me since I switched to linux (>1y). When I reboot with the old kernel (-41.48) i get the GUI and all is fine. Any known issues with that new -42 kernel ? I have a AMD/ATI ...
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0answers
618 views

Why Ubuntu 16.04 Setups Linux Kernel 4.4 in Linux kernel 4.6 Installation?

I installed Linux kernel for Ubuntu 16.04 64 bit as described here. After 17 days of use, I started to get System crashes at the startup, which logs I sent to developers. I do where same output also ...
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0answers
23 views

No display with Ubuntu amd open source driver

I have installed Ubuntu 16.04 LTS few days back. Since then I'm facing this annoying issue with open source drivers. When I start my laptop, 8 in 10 times I get no display, I have to force restart it. ...
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74 views

Problem with Virtual Box on Xubuntu running under Android

First of all, I'm aware of this question and this one, and I don't believe this is a duplicate. I've encountered that problem (and solved it using those answers) on two different laptops. This problem,...
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1answer
160 views

Failed to Install New Kernel (v4.2.0-41.48) from (v4.2.0-38.45)

I tried to upgrade to the new kernel today, but DPKG half-configured the packages. Here's what APT said: (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ......
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0answers
33 views

How to power off discrete graphics card

I installed Lubuntu 16.04 to my HP Pavilion dv6 laptop which has AMD 6770M discrete graphics card. In order to save battery I want to power off AMD card since onboard Intel HD3000 is enough for me. I ...
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1answer
110 views

Ubuntu automatically installed a previous kernel version than the one I installed

I manually installed kernel 4.2.0-38 on Ubuntu 14.04.4. This morning, Ubuntu automatically reinstalled 3.13.0.91. Start-Date: 2016-06-28 06:33:35 Install: linux-headers-3.13.0-91:amd64 (3.13.0-91....
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1answer
37 views

Kernel Install Issue: New USB Device Found, Product: USB Optical Mouse Repeating

First time poster here. I am updating to Linux kernel version 4.6.3 and used Lilo to install it. I am running Ubuntu version 16.04lts. When I went to select the new kernel everything started out ...
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0answers
15 views

How to tell the kernel to set up for a display it does not “see”?

This is a reply from a guru at Ubuntuforums.org; I am using 14.04.1 and I am trying to get my GeForce FX5200 working with this install. 34.906] (II) NVIDIA(0): Support for GLX with the Damageand ...
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0answers
22 views

Trusty Tahr crashing quite a bit, loosing processor synchronization

I had to go back to precise, which is stable on my laptop. Trusty Tahr was not stable and showed the attached shutdown from kernel panic many times a day. Does anyone know why this is happening in a ...
3
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1answer
238 views

installing Ubuntu on surface pro 4

I have moved from win 10 to Ubuntu 16.04. I've tried following this article and this video, but still have run into problems as the latest kernel version is 4.6.3. I'm still running on the kernel ...
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22 views

Patching wifi driver on Surface Pro 4?

So I'm running Ubuntu Gnome 16.04 on my Surface Pro 4, using a custom kernel from here, which gets the keyboard, trackpad, and hardware buttons working well. The only issue is wifi doesn't always ...