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

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1answer
28 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 ......
23
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6answers
9k views

Could not load 'vboxdrv' after upgrade to Ubuntu 16.04 (and I want to keep secure boot)

I upgrade from Ubuntu 15.10 to 16.04 and since then VirtualBox 5.0.18 isn't starting my VMs anymore. It complains that 'vboxdrv' isn't loaded. So I try to load it and get the following error: $ sudo ...
1
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0answers
19 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 ...
0
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1answer
39 views

Can't scale frequencies of AMD Turion CPU, it always jumps to lowest

I have similar problem to this: Can't scale frequencies, always jumps to lowest . This time on a HP Compaq 6715B notebook with AMD Turion CPU TL-58 and powernow-k8 cpufreq driver : $ cpufreq-...
0
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2answers
52 views

14.04.3 LTS + xenial kernel upgrade + nvme SSD - won't boot

I have a 14.04.3 LTS system that won't boot after upgrading to 4.4.0-24 kernel (xenial kernel image packages). It has an NVME SSD, and with the 4.4 series kernel, it can't seem to see the NVME. The ...
0
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1answer
22 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....
3
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1answer
24 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
10 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 ...
0
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0answers
13 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 ...
2
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0answers
57 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 ...
1
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2answers
62 views

Restore linux kernel after accidental removal

I accidentally removed my current linux kernel from my Ubuntu 14.04.4 LTS by using this command: sudo apt-get purge linux-image-3.13.0-{77,79}-generic Unable to boot into the system, now I found this ...
16
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5answers
21k views

How do I modify “/sys/kernel/mm/transparent_hugepage/enabled”

I use mongodb 3.0 and I find a warning: MongoDB shell version: 3.0.0 connecting to: test Server has startup warnings: 2015-03-13T16:28:29.405+0800 I CONTROL [initandlisten] 2015-03-13T16:28:29.406+...
0
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0answers
14 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 ...
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1answer
29 views

Script to install latest kernel [on hold]

Does anyone know of a script to install the latest Linux kernel? Preferably one that auto-runs on login?
1
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1answer
59 views

Vmware kernel module error

Ubuntu 16.04 LTS Kernel 4.6 I downloaded and installed Vmware workstation Pro 12. When I launch it I get this: So I click install and then it fails: This is the log: 2016-06-26T15:28:27.728+02:...
6
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3answers
2k views

Why do I get “Required key not available” when install DKMS modules in Ubuntu 16.04?

When I try to install DKMS modules like VirtualBox, Nvidia, or Broadcom drivers, they do not install and I get Required key not available. How can I fix it?
4
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2answers
545 views

How to switch between low latency and generic kernels?

I have installed a low latency kernel to help Ardour's performance while recording audio. On boot-up, it appears I can select which 'version' of Ubuntu I want; the two choices are 'Ubuntu' and 'Ubuntu ...
1
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0answers
15 views

After coming back from sleep, ubuntu's GUI restarted

My laptop was in sleep mode for the night, and in the morning it couldn't get up, but instead sent me (after a while) to the welcome screen, closing every program that was running (that I know of). ...
2
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1answer
47 views

Depmod issue: modules.order and module.built in don't exist when trying to install a .deb

I'm running Ubuntu server 16.04 LTS and am in the process of installing a driver for a PCIE card, but I have an issue where it says the following: depmod: WARNING: could not open /lib/modules/3.13.0-...
0
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0answers
12 views

Optical mouse not working after login screen

I'm Using UBUNTU 16.04 and I connected a USB optical mouse to my laptop and It works in login page, But after login it stops working. The last output of dmesg is: usb 2-1.3: input irq status -75 ...
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0answers
146 views

How To Prevent Zoom in Chromium

Condition: Artifact zoom CTRL-+/- by keyboard and touchpad Support: prevention discussed first time in 2009 here about How to turn off Zoom on Chrome Proposal: Prevent Zoom by touchpad/keyboard in the ...
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0answers
26 views

What's the difference between kernel, HAL and drivers? [on hold]

As far as I know, the kernel is the API between hardware and software. The same for the drivers. But now I found out about HAL (hardware abstraction layer) and I'm completely lost. What's the ...
0
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0answers
21 views

lspci won't show Kernel Module [duplicate]

When I use any of the following commands (with and without sudo) lspci -v lspci -vv lspci -k they output a line with "kernel driver in use" but no line with "kernel module". How do I do to find out ...
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1answer
55 views

How to make it easy [closed]

I use to care about knowing how an Os worked. All those little bits, how to write a great shell script, how to whatever. I don't anymore. I don't want to know. It's something that happens later in ...
1
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0answers
28 views

Kernel panic /dev/sda: clean

I'm using Xubuntu/windows 10 dual boot. I've installed the NVIDIA CUDA toolkit to use GPU version of TensorFlow. After rebooting it, it got stuck at /dev/sda6: clean,..... for a very long time and ...
3
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0answers
123 views

Qualcomm Atheros AR93xx Wireless Network Adapter + Ubuntu 16.04 woes

NEWS: Added update 1 Added update 2 I am trying to build a new machine using the Gigabyte GA-970 G1 Gaming motherboard, together with a TP-Link TL-WDN4800 N900 Wireless Dual Band PCI Express ...
0
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0answers
12 views

Does anyone have Ubuntu SDK in MATE 16.04 running, I've had problems previously

I don't want to have to reinstall the whole system, Black screens have happened before using MATE. So I might risk it but not today. After that I will change this question to whatever the case is. So ...
12
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2answers
4k views

How to install a package that contains Ubuntu kernel debug symbols?

The default Ubuntu kernel -generic package doesn't seem to have symbols in it. I'm trying to avoid compile a kernel with debug info manually. Does Ubuntu provide a package with kernel debug symbols?
2
votes
2answers
154 views

Compiling custom kernel with debug symbols

I have Ubuntu 14.04 with Linux-3.14.3-rt51 kernel. I need to use Systemtap so I compiled my kernel with the following options chosen during make menuconfig: General setup [*] Kprobes [*] Kernel->...
0
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0answers
15 views

Why my computer restarts at login screen?

Today I have updated software on my computer and now when I start Ubuntu with latest kernel the computer always freezes on login screen and after few seconds spontaneously restarts. I have experienced ...
1
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3answers
3k views

New laptop (Skylake) cannot boot Xubuntu even with boot parameters

I recently bought a new laptop and I would love to install Xubuntu 15.10 next to the current Windows 10 installation. The laptop I bought is a the ASUS ROG GL552VW-CN104T. The CPU of this laptop is ...
1
vote
1answer
242 views

Do held kernel packages upgrade when HW specific/used updates are present in the changes list?

I held the Kernel so while updating, the newer kernel version weren't marked for installation until yesterday. It is a security update so I know is recommended to do this update but the question is ...
0
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0answers
13 views

Ubuntu Studio 14.04 + Novatel E371 (DW5804)

Have a problem on my laptop Dell D430 with Novatel Expedite E371(DW5804). cat /etc/*release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty uname -a Linux GSLM 3.19.0-59-lowlatency ...
0
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0answers
37 views

Random freezes at bootup, plus issues with power management on an Asus X556UJ (F556U series)

I just bought a new Asus F556U series laptop that dmidecode identifies as X556UJ. System Information Manufacturer: ASUSTeK COMPUTER INC. Product Name: X556UJ Version: 1.0 ...
0
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1answer
20 views

where is the kernel-parameters.txt directory?

im now see a tutorial that open kernel-parameters.txt in terminal using this command first : cd Documentation/ and then : view kernel-parameters.txt tutorial distro is CentOS but im using Ubuntu....
0
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0answers
17 views

MondoMindi Rescue. Can't find kernel-image-2.6.14.2-baseline-4.2_10.00.Custom_i386.deb

I'm following this tutorial. https://help.ubuntu.com/community/MondoMindi There is a Note: If you happen to use SCSI, and the failsafe kernel doesn't work for you, download and install kernel-image-2....
0
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0answers
17 views

apt-get source linux-image-3.19.0-26-generic, but got 3.19.0-61 in fact

I installed ubuntu-14.04.3-server-amd64.iso Version Operation. I follow the steps below from https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel apt-get source linux-image-$(uname -r) $ uname -r 3.19....
1
vote
2answers
228 views

Why are there TWO “linux-image-XXX-generic” with different numbers on one computer OS?

I've been thrown off track by this many times in the past, but always assumed that I had remembered something wrongly. It turns out that I have both linux-image-3.13.0-88-generic and linux-image-4.2....
1
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0answers
16 views

Kernel update required 2 reboot. Why?

I regularly update my Trusty 3.13 kernel on Updates Manager notifications. As I do I such case, I remove the n-2 kernel just before upgrading so that my system remains with 2 kernel releases once the ...
0
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0answers
9 views

Unable to install Microchip Graphics Display Designer GDDX for Linux [closed]

I am trying to install the graphics design application from Microchip: GDDX (Graphics Display Designer) from [this link][1]. The installation does not responds, returning to command line without ...
3
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1answer
24 views

how to compile ubuntu kernel faster

I'm following this guideline from ubuntu wiki: https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel But when i run fakeroot debian/rules binary-headers binary-generic it takes a long time because it ...
0
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0answers
24 views

failure to upgrade to 3.13.0-89

I am going to upgrade to 3.13.0-89 in servers which has 3.13.0-86 installed. Ubuntu just added 3.13.0-89 to -proposed list. (Actually, it doesn't relate to proposed or not, I tried to upgrade to 3.13....
1
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1answer
60 views

Ubuntu Studio low latency kernel

I've installed Ubuntu Studio 14.04 on my computer and I thought that the installation would also give me a low latency kernel too, but when I click 'extra audio production application' it says that I ...
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2answers
4k views

Why disabling “Secure Boot” is enforced policy when installing 3rd party modules

When installing 16.04, I was asked to turn off "Secure Boot" if I wanted to install 3rd party modules/drivers. I did not comply. And when I installed manually the only 3rd party drivers I use (bcmwl-...
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0answers
24 views

Ubuntu 14.04 + fglrx + MSI Radeon R9 390x Kernel Panic

Getting a kernel panic whenever I try to use my new MSI r9 390x. [ 2722.396297] AMD IOMMUv2 driver by Joerg Roedel <joerg.roedel@amd.com> [ 2722.396299] AMD IOMMUv2 functionality not available ...
0
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2answers
34 views

Virtualbox failed to install?

I have recently downloaded Virtualbox 5, and I ran the .deb file I obtained from the website. I try to use MS-DOS 6.22 and it comes up with the error message. '[RTR3InitEx failed with rc=-1912 (rc=-...
2
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0answers
31 views

How to Downgrade kernel version 4.4 to 3.10

I have brought a TP-Link adapter TP-WN823N which work fine on Windows & Mac but they didn't provided drivers for Linux however I found drivers for linux but it is compatible only for linux(kernel ...
0
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2answers
262 views

Problems with 14.04 most recent updates and possibly kernel

I am still fairly new to Linux and Ubuntu, so I will apologize ahead of time for my ignorance. I am using working with Ubuntu 14.04 LTS. I have been using Ubuntu for a little over a year now, I am ...
0
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0answers
18 views

Why does Ubuntu 14.04 LTS HVM not have CAP_AUDIT_READ?

I'm running the AWS EC2 Ubuntu 14.04 LTS HVM AMI and it is lacking CAP_AUDIT_READ when I check man capabilities. Any idea what's up with this? I think CAP_AUDIT_READ was added in linux kernel 3.16 and ...