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

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1answer
11 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
25 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.
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0answers
10 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
17 views

Ubuntu 14.04 crashes when playing call of duty

After playing Call of Duty 2 for about 5-10 minutes my computer crashes and displays this message: What does this mean and how can I fix it?
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0answers
18 views

dkms problem with VirtualBox kernel registration after 15.10 to 16.04 upgrade

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 ...
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0answers
14 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 ...
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0answers
14 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 ...
2
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1answer
28 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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2answers
24 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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0answers
11 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 ...
0
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0answers
29 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 ...
0
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1answer
27 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 ...
0
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1answer
120 views

Updating to Kernel 4.6 on 16.04

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 ...
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2answers
27 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 ...
0
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1answer
28 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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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 ...
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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 ...
0
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1answer
30 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.
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0answers
27 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
votes
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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2answers
31 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
19 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
votes
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
43 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
24 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 ...
0
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0answers
21 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 ...
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 ...
1
vote
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
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 ...
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0answers
121 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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0answers
11 views

sysctl.conf or grub file for kernel parameters?

As far as I know it is possible to send kernel parameters with both the sysctl.conf and the grub2 configuration files at boot time. If the same parameter is configured using both methods which ...
0
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0answers
45 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
votes
1answer
98 views

How to compile Ubuntu 16.04 kernel with zfs module

I build custom Ubuntu kernel with make localmodconfig at the Ubuntu 16.04 lts server with installing zfs and mounted zfs pool. make localmodconfig using config: '.config' zfs config not found!! ...
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0answers
26 views

How do I install custom kernel header files?

I've compiled and loaded a new kernel with: make localmodcongif make headers_install make install update-grub But for new kernel I do not get a new directory in ...
0
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0answers
21 views

Ubuntu boot error- Kernel Panic not syncing attempting

I am using Ubuntu 14.04(dual-boot).Suddenly I am getting this error on boot:- kernel panic - not syncing: Attempted to kill inint ! PId: 1, comm: init not tainted 2.6.32.-279-5.2.e16.x86_64 #1 call ...
0
votes
1answer
20 views

Boot failure with Kernel 4.x

My HP Workstation Z820 is not booting with Kernel > 3.9x Trying to update to 15.10 or 16.04 fails. New install of 16.04 from CD fails also - see image..
1
vote
1answer
61 views

Why so many linux-headers, even for absent images

I removed many of linux-images of 3.13.0-x versions, I left few versions installed. ~ > dpkg --list | grep linux-image rc linux-image-3.13.0-83-generic 3.13.0-83.127 ...
1
vote
1answer
24 views

why I can't intall kernel sources from repository

I was trying to install VirtualBox in my machine. I found that I need the kernel sources to do so. To see which kernel sources I needed I checked uname -r which gave: 3.2.0-59-generic-pae The first ...
0
votes
1answer
100 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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0answers
11 views

Is linux-generic installed when linux-signed-generic is installed?

Similarly is linux-lowlatency installed when linux-signed-lowlatency is installed? Signed images seem to depend on regular images, but that is not the case with meta packages. So it is not technically ...
0
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0answers
19 views

Is there an efficient and safe way to remove VirtualBox kernel modules for uninstalled kernels

I used sudo apt-get autoremove --purge to remove old kernels in Ubuntu 14.04. And this works fine as long as they are marked as automatically installed but it said that it could not remove the ...
1
vote
4answers
69 views

What other software is available to remove old files/kernels to increase space and cleanup drive?

Like many others users, I need to remove files/kernels to increase space because I'm getting the error message that says I can't update because I have don't have enough space in \boot. I've searched ...
0
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0answers
42 views

Asus & UBUNTU | Touchpad doesn't work at all

I have a brand new ASUS GL552VW, trying to install UBUNTU 14.04 on it. After installation the touchpad doesn't work at all, neither shows up on xinput -list. (External mouse works.) The kernel was ...
1
vote
1answer
32 views

End kernel panic: vfs: Vista unable to mount root fs on unknown-block (2, 0) HELP!

Newbie Downloaded torrent. Used UUI. Placed Ubuntu on appropriately formated disk. I get this message at boot... 0.536889] kernel offset :disabled 0.563918] - - - [ end kernel panic - not ...
0
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0answers
13 views

Ubuntu freezing when running on Bay Trail CPU

There is a known issue with aggressive power saving protocols causing Ubuntu to freeze and a tested work-around through limiting the max C state - https://bugzilla.kernel.org/show_bug.cgi?id=109051 ...