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

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1answer
14 views

What to do after Failed to start Load Kernel Modules

I tried to upgrade my system from Ubuntu 14.04. My laptop froze for a few hours. Nor even the pointer did anything. So I switched off by pressing the power button for a few seconds. This uncompleted ...
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1answer
6k views

Hostapd Failed to update rate sets in kernel module

I'm getting this error launching hostapd with minimal conf Failed to update rate sets in kernel module I've just installed Ubuntu-GNOME 13.04. When I was using Ubuntu 12.04 did not receive this ...
2
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2answers
177 views

Fan not spinning after suspend in new kernels (Asus X453M)

More often than not, when my laptop is resumed after being suspended, the fan will no longer spin, resulting in overheating when a heavy process is running. This happens on Ubuntu 14.04 with 3.13.0 ...
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1answer
19 views

Kernel Panic - Ubuntu 14.04 crashes when playing call of duty

After playing Call of Duty 2 for about 5-10 minutes my computer crashes (with an Kernel Panic) and displays this message: What does this mean and how can I fix it?
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2answers
29 views

ralink rt3290 driver module not launching and I can't figure out why

I have an HP Envy 15 with the RT3290 from ralink. It had Win8 on it which I have completely removed and installed ubuntu 16.04 on it. I have been trying to get the wireless to work and haven't been ...
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2answers
44 views

Cannot git clone Apparmor kernel patches

Whenever I enter (git clone git://kernel.ubuntu.com/jj/ubuntu-utopic.git) into the terminal, I get this output: Cloning into 'ubuntu-utopic'... fatal: Could not read from remote repository. Please ...
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1answer
14 views

Force rescan of the pci device which was wrongly detected by os

I am using ubuntu 14.04.3 , kernel version 3.13.0-67 with a Atheros Wifi Card AR93xx .Many of the times ,no wireless detected on system boot. Below is the problem I detected . The wireless card ...
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2answers
36 views

Stop apt-get autoremove from removing old kernel?

I like managing kernels my self, and I can't figure how to stop apt-get autoremove from deleting older kernels.
0
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1answer
17 views

scheduler: how to tune cfq to favor interactive processes

Problem: scheduler doesn't seem to favor interactive processes: On a desktop system with automatic cron-scheduled backups from one (btrfs) disk to another (ext4). The backup process mounts the idle ...
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0answers
24 views

dkms problem with VirtualBox kernel registration after 15.10 to 16.04 upgrade [duplicate]

After upgrading an Ubuntu GNOME 15.10 machine to 16.04 I have encountered some problems with my VirtualBox and dkms installation. It seems that during the upgrade dkms had some problems registering ...
0
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0answers
15 views

Kernel panic - not syncing: attempted to kill init! and previous kernels do not work

I am new on using Linux. I use it for some imaging analysis. Today my ubuntu upgraded itself but at the end of the upgrade it gave error. After that the system blocked. I restarted the machine ...
2
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1answer
32 views

How to remove kernels from previous release

See question How to remove kernels from previous release? which is marked as duplicate. I ask this again, because the question is special case and not handled in the answers for the related question. ...
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0answers
18 views

Black screen after upgrading to Ubuntu 16

I performed the Ubuntu 16 upgrade on my Dell Inspiron N5110 running Ubuntu 15.10 the other day, and I was greeted with a black screen. I got the noise it makes when the login screen comes up, but ...
0
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1answer
31 views

What is the lastest stable kernel and how to install it?

I face a problem with installing kernel 4.6 on Ubuntu 16.04 . Someone said because it was unstable. So What is the latest stable version of kernel and how to install it.
0
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1answer
139 views

Updating to Kernel 4.6 on 16.04 [on hold]

I have a fairly fresh install of Ubuntu 16.04 running on Kernel 4.4.0-22. Today I saw that the latest stable kernel version is 4.6 on kernel.org and I have a few questions: Is it worth ...
0
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1answer
31 views

Surface Pro 3 - installing kernel 4.6 [duplicate]

I am new to ubuntu. I just installed latest ubuntu and I am trying to install the latest kernel v4.6, so I can get a few functions of the type cover to work. I am not familiar with the kernel ...
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0answers
12 views

14.04 Multiple Crashes, Different Circumstances, How to fix?

I am running 14.04 on Hard Drive not Virtual (just for clarification). Sometimes I am doing something, anything, maybe browsing the internet or typing something, and then it gets frozen. I have to ...
6
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2answers
9k views

How to get the GRUB using virtualbox?

I have ubuntu-12.04 on my virtualbox and I have two kernels in /boot (old and new). When I restart the vbox no grub appears to choose! and the result of cat /proc/cmdline still shows the old kernel is ...
0
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1answer
102 views

Kernel build 4.4.0.22 decreases battery life (16.04 LTS)

My battery life was fine when I installed 16.04 LTS (clean install) on my Lenovo z51-70, but after a regular software update or build to kernel, from 4.4.0.21 to 4.4.0.22, it has almost halved (1.50 ...
0
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1answer
22 views

Compilation of Linux kernel 3.14 stops without any errors on ubuntu 14.04

I'm trying to compile linux kernel 3.14 on ubuntu 14.04. Before anyone points out, I know newer stable versions of the kernel are available but I have been asked to install 3.14 itself. So, I wrote a ...
0
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0answers
32 views

Ubuntu 16.04 fails connecting to a specific wireless network

I have a problem connecting to a specific wireless network, just could not connect or obtain an IP address. I'm running Ubuntu 16.04 on my laptop Thinkpad t400, with the network adapter Intel ...
1
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1answer
190 views

Holding packages in Ubuntu 15.10, Unexpected un-hold. does APT knows when particular HW modules are updated?

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 ...
5
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3answers
272 views

Suspend broken on Ubuntu 16.04 LTS, Dell XPS 9350

Since I upgraded from Ubuntu 15.10 to Ubuntu 16.04 LTS on my Dell XPS 9350, suspend is broken. When closing my lid the laptop will suspend, but resuming fails and it reboots. I tried pm-suspend and ...
0
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2answers
28 views

Xubuntu Wifi driver not working after update

I'm running Xubuntu 14.04 LTS. I have a TP Link T4U USB wifi adapter, whic is based on the Realtek RTL8812AU chipset. It has been working flawlessly for a number of months, up until Linux kernel ...
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1answer
20 views

Undo installation of an unstable kernel

I am facing a problem with kernel installation. I installed two packages but the last one didn't. So I want to uninstall the first package. In this link I have described what was my problem. my ...
0
votes
1answer
29 views

Where is kernel.release generated and updated?

There a file include/config/kernel.release in Linux kernel source. It contains version of the kernel (for example 4.6.0-rc4+). As I know this value is generated from nearest tag of git. I want to ...
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0answers
6 views

Xenial Server is not quite working with 802.1x port-based authentication

Ubuntu server 16.04 with kernel 4.4.0-22. Cisco switch C3750 with 802.1x port-based authentication. Everything went fine until one day, our radius server died. When radius server was unreachable, the ...
1
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1answer
40 views

Release name of current signed kernel

Is the output of uname -r always like 4.2.0-37-generic, or would it show the postfix .efi.signed denoting it is a signed kernel, if a signed kernel is booted on a machine (with UEFI) requiring such a ...
0
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0answers
29 views

Bad quality of package for installing linux kernel

I was trying to install kernel 4.6 on Ubuntu 16.04 but I face a problem I follow these steps How to Install Kernel 4.6 in Ubuntu: There are .deb packages for this kernel release available in ...
0
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2answers
34 views

VirtualBox on Ubuntu 14.04 Issue [on hold]

I am kinda new to Ubuntu/Linux/Unix so please bare with me. I have purchased a virtual private server and installed Ubuntu 14.04 on the server, afterwards I have Installed VirtualBox on the server and ...
0
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0answers
20 views

Kernel Panic not syncing: Is HDD corrupt?

when I start my laptop, I get a kernel panic every time (even in rescue mode or older kernel versions). I don't know what causes the issue it comes up since last shutdown. Bevore a basic command line ...
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0answers
10 views

Keyboard drivers uninstall after kernel update

I have a g710 keyboard which has extra buttons, so I have to install a driver https://github.com/Wattos/logitech-g710-linux-driver. The problem is, whenever a new kernel update comes out I have to ...
0
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1answer
40 views

Which is the “correct”/“official” kernel version? (server vs cloud-img installs)

I recently used official images to install bare metal servers and VMs (using a cloud image) and found out they install quite different kernels out of the box: 14.04.4 server iso (from here) installs ...
0
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1answer
9 views

Which file defines the virtual console color

I am trying to find the source in the Ubuntu kernel tree that defines color values for the virtual console. Where is it defined? On other linux distributions, it is defined in drivers/char/vt.c
0
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1answer
46 views

Install old kernel in ubuntu 16.04

My laptop can work perfectly on kernels up to 3.13.0-85 so is it possible to install the same in Ubuntu 16.04 without affecting it's performance? And if yes then how?
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0answers
10 views

WCHAN = 0 for a sleeping task?

I am a little confused about the status of a process I have. It looks like this: $ ps -eal | head -n 1 ; ps -eal | grep perf F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD 4 S ...
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0answers
18 views

Install cloud image on Rasperry pi 3

Can anybody explain what's the current status of Ubuntu on Raspberry Pi 3? AFAIK only 32-bit ARM mode is supported, but there are some thngs I can't understand: Officially, there is no ARMv8 Liunx ...
0
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0answers
25 views

errors while trying to update to new 3.16 kernel

Error! Bad return status for module build on kernel: 3.16.0-71-generic (x86_64) Consult /var/lib/dkms/amdgpu-pro/16.15.2-277429/build/make.log for more information. Warning: No support for locale: ...
0
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0answers
21 views

Laptop messing up after installing/deleting linux-image, linux-headers, and the like

Yesterday, my laptop was acting up - very high CPU, hot to the touch, etc. I had no explanation for the sudden change (nothing could account for the high CPU usage), so I checked my apt history to see ...
0
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0answers
6 views

Enable DRM_KMS_CMA_HELPER in linux kernel

I'm trying to recompile my Linux Kernel 3.18 with DRM_KMS_CMA_HELPER enabled, but editing the .config file is not working. I have the dependencies enabled, but it still shows and not enabled. Is ...
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0answers
124 views

How do i load Ubuntu 16.04 and above with the kernel 4.4?

I am the owner of a laptop with the Intel Celeron N3050 processor. Ubuntu 16.04 will not boot from a live USB, it only shows a black screen. When I decided to upgrade Ubuntu 14.04's kernel to version ...
0
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2answers
701 views

Kernel Headers 3.10.18 not found in VMware Kernel Module Updater

I had Ubuntu 14.10 and VMware Player 7.0.0 installed on my Acer Chromebook 11. Wwhen I open VMware, I get the exact same error message as mentioned this thread - "What is the path to the kernel ...
0
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0answers
23 views

Mint + Kernel 4.5.4: laptop loses suspend state when unplugged [closed]

I'm using Linux Mint 17.3 on a newish Asus laptop with Mate desktop. To get the Nvidia graphics and Elan touchpad both to work, I installed the 4.5.4 Linux kernel. I've pretty much got everything ...
1
vote
3answers
223 views

Ubuntu 16 Kernel BUG (“Oops: 0000 [#1] SMP”) related to amdgpu

I recently installed Ubuntu 16.04 on my personal notebook (Dell Inspiron 5548) and everytime I try to logout from any user account, I get a Kernel BUG ("Oops" message) related to amdgpu. I tried ...
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8answers
3k views

Ubuntu 16.04 Skylake 6th Generation Screen Flickering

I have a Lenovo ThinkPad t460s here. It is the NVMe PCI SSD version. The CPU is i7 6600U (Skylake 6th generation) with Intel HD 520. About a month ago (beginning March 2016), I installed Ubuntu GNOME ...
0
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0answers
343 views

Linux generic-lts-trusty depends: linux-generic but it is not installed

I am using Ubuntu 14.04.3 LTS and the kernel is "3.13.0-76-generic". But when I am trying to upgrade it by the following command: sudo apt-get upgrade I get the following dependency related error: ...
0
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0answers
46 views

system freeze on monitor wake-up after upgrade to 16.04

I have nvidia gtx 980 (driver v. 364.19), MSI X99S MB, i7-5820k 32GB DDR4 ram. My setup is 3 4k monitors (on DP-0, DP-2 and Dp-4) After my monitors go to sleep (the computer is not asleep) then ...
0
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0answers
22 views

Boot widnows from grub prompt

I'm quite a noob with linux and I'm experiencing some huge troubles with an Ubuntu 16 installation. My system is composed of 2 disks: Windows 10 and Grub on the first (sda) and Ubuntu 16 on the ...
4
votes
1answer
6k views

Fastest way to reload graphics driver module?

I am trying to get my way around on graphics driver development, in this case for modifications on a DRM kernel module, called gma500_gfx. Every time when I have made a change to this driver, I start ...
0
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0answers
15 views

How to find installed kernel image metapackages?

I have used this, but is there a better way? dpkg-query -W -f='${Package} ${Status}\n' | awk '/^linux-(.+-)?image-[^0-9]+(-lts-[^ ]+)? [^ ]+ ok installed/{print $1}' How to find kernel metapackages ...