The main component of most operating systems, the kernel manages most of a computer's communication between hardware and software. Typically, the kernel is the lowest level of abstraction a programmer can have to a resource.

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OSS installation - Cannot locate the Linux kernel development package

I'm installing OSS on Arch linux manjaro. I installed OSS following an installation guide for arch, from the AUR repos with yaourt and mkpkg. When I use soundon : Relinking OSS kernel modules for "...
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10 views

Kernel boot time detailed analysis like Systemd

Is there something less verbose, more like a chart that turns easier to figure modules and Kernel load on boot? I've tried old bootchart but it kernel panicked. If not, dmesg is the only choice? Not ...
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32 views

PC crash Event ID 41 (63)

I played overwatch during open beta and for the first week or two after release with no problem, however now whenever I'm playing usually in the menus my PC will reset. My event viewer shows Event 41 ...
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35 views

install custom kernel and rootfs on board SMDKV210

I need help to install custom uboot + kernel + rootfs on a device with board SMDKV210 (device is panel INEWTEK) So the fact is that worked on a device (inewtek) with board SMDKV210 (call it old board ...
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6 views

DKMS modules for multiple kernels

I have a Ubuntu Studio 16.04 installation with both generic and lowlatency kernels installed that I can choose when I boot (I generally use generic but I may use lowlatency in case I want to do ...
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17 views

No suitable module for running kernel found - ubuntu 12.04 on LINODE

I am trying to install VirtualBox with Vagrant in Ubuntu 12.04 on a Linode VPS. Everytime I try installing VirtualBox i get an error saying No suitable module for running kernel found {fail}...
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34 views

Fedora 24: no build.include / try to generate autoconf.h

Trying to build a package which needs autoconf.h So i installed kernel-devel, ran make oldconfig and make prepare but unfortunalety it did not work Couldn't find any solution in the web, any ideas? ...
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11 views

Downgrade linux kernel on EC2

I'm on an ubuntu 14.4 ec2 box. I need to downgrade the kernel version from 4.2... to 3.13... Can this be done? I don't understand what access I have to the bootloader, whether GRUB runs as normal, ...
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22 views

linux: device not accepting address XX, error -32

since quite some time and across distribution updates (fedora 21-24) and kernel updates (now 4.5.7-300.fc24.x86_64) my system endlessly produces the following messages in the system-log (which is also ...
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5 views

Linux malloc segmentation fault missing [migrated]

The included program should produce a segmentation fault in Linux, but it doesn't. #include <stdio.h> #include <stdlib.h> #include <unistd.h> /* This program should produce a ...
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1answer
44 views

Are Kernels hardware specific?

From my understanding, the Kernel provides the link between software and hardware, and therefore the Kernel must direct system calls being made by OS applications, correct? So would different I/O ...
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39 views

Lenovo Yoga 700 14ISK Ubuntu Dual Boot Wifi Issue

I bought this lenovo yoga 700 14isk laptop just under a year ago and am trying to dual boot with ubuntu. It appears as though there is a lot of problems with the wifi driver, which carries over to ...
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1answer
39 views

Compile Linux V4L-DVB media_build for a specific kernel (not the running one)

Is it possible to compile the LinuxTV.org V4L-DVB media_build for a kernel source contained in a specific path, instead of the running one (i.e. a different version)? I have the kernel sources and in ...
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0answers
5 views

Ubuntu 14.04: How to let printk print to a specific file

In earlier version of Ubuntu, this can be done by modifying the /etc/syslog.conf file. But now in Ubuntu 14.04, this file is not missing. How can I let printk print to a specific file?
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1answer
34 views

Linux kernel “half configured”

I've been running Debian Wheezy for over a year with no problems until a week ago. For no obvious reason, the system has suddenly decided that the Linux kernel is only half-configured, and none of ...
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1answer
32 views

Why would a Linux computer with no Nvidia hardware get indigestion over an Nvidia kernel?

I'm running Debian Wheezy on a computer with ATI / AMD graphics and no Nvidia hardware. A week ago, with no obvious cause, apt decided that it needs to configure Nvidia graphics any time it runs, ...
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1answer
48 views

Is there any way to get correct system time without NTP?

I'm developing industrial embedded device on the ARMv7, 3.10 kernel. First, before taking up the main subject, let me talk about hardware time. Amlogic meson8b is core unit, so i used "aml-rtc" as ...
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1answer
50 views

Lots of unwanted packets installed in ubuntu 12.04 with apt-get due to typing mistake. How to revert?

In my virtual ubuntu 12.04, I was installing ruby2.3 but by mistake, I have put space in between ruby and 2.3. sudo apt-get install ruby 2.3 It has installed more than 9 GB packages including ...
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41 views

Delete kernel module completely

I would like to ask you how can I delete some kernel module completely? I mean really delete, not unload or prevent to load. I tried to use rmmod, but it just unloaded module, same as modprobe -r. So ...
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1answer
20 views

How a kernel is ported on hardware?

In smp schedulers, a scheduling daemon is run on every core, actually i want to know how this is possible that (NBR_CORES) copy of a program run separately on different cores? (I'm new in kernel and ...
2
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1answer
244 views

how to create rescue initramfs image on centos 7?

After my last launch yum update my test box have kernel-3.10.0-327.13.1 installed. While installing, dracut generated initramfs-3.10.0-327.13.1.el7.x86_64.img, but initramfs-0-rescue-...
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1answer
132 views

Windows 10 Kernel-Power 41 error after go to sleep

I have a recurring problem with my ASUS G56JR notebook under Windows 10, somehow the the system crashes after to go sleep. When I awake it, the eventlog shows the following: I read a guys problem ...
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1answer
53 views

CPU cores remain offline after hotplug

When my UPS triggers an "on-battery" event, I want all cores to switch off to conserve power. The PC has 8 cores on two chips, UPS batteries need replacement every 3 months because of high current ...
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0answers
23 views

What happens if you start ntoskrnl inside a running windows?

What would happen in the event that you started ntoskrnl.exe inside a running windows that is not sandboxed? It would work in a VM since you can VM windows. I cannot find anything online about it ...
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138 views

Grub does not pick up new kernels (was: How to update Fedora's kernel)

In a seemingly endless quest to get Vagrant working I am trying to update Fedora. Vagrant needs VirtualBox, VirtualBox needs kernel sources, and kernel sources are only available for the latest kernel ...
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59 views

How to generate soft lockup in Linux Kernel and how to verify?

I was testing soft lockup recovery procedure of Linux Kernel. I set /proc/sys/kernel/softlockup_panic to 1. And I created a Kernel module as described in the link below. https://github.com/saiyamd/...
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58 views

Updating the kernel on a Linux Mint Live USB

I'm following this guide: https://community.linuxmint.com/tutorial/view/1784 to update a Linux Mint ISO. Specifically, I'd like to update the kernel of this version of Mint to 4.4.8. For kernel ...
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37 views

Linux RT vs 'niceness' priority and preemption

I wanted some clarification on the differences between real-time linux process priority (-99 - -1) and normal user-level 'niceness' (0 - 40) priority, and the effects on scheduling and pre-emption. ...
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18 views

Control Linux kernel multi cpu usage at boot

I am developing a mobile system, that has certain limits in power consumption. The system has for example 4 or 8 cpu cores. If running, the total power budget is usually low due to idling of most of ...
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1answer
26 views

why does asynchronous I/O require buffering?

I read in some introductory lecture notes on I/O and operating systems that "asynchronous systems require buffering". Why is it so please? Cheers
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1answer
12 views

Why X-s restarts after magic Alt+SysRq+REI?

Just curiosity: Which part of my debian is responsble for immediate restart of my X-s after I press Alt+SysRq+REI? ("I have just killed every process - why I have forthcoming "Choose your username" ...
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13 views

ALG IPSEC and RSTP

I have linux 3.18. my Linux is installet on a router. in this router I activate a NAT from the wan side. Does this Linux support ALG of IPSEC and RSTP ?
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55 views

Mach_kernel twice gone missing on iMac Lion x.7.5/El Capitan X 11.3

iMac 2009, seriel VM9228X9259, 8GB RAM INTERNAL harddrive is the 500GB, which is slowly dying, but still working. OSX 7.5 This was the first to lose its mach-Kernel, from manual shutting down to ...
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0answers
21 views

NanoPi2 external wifi dongle doesn't go UP

I've got a NanoPi2 (it has an internal wireless card embedded) and I'm trying to configure another wireless device (usb) because I need two wlans working both at the same time. I know that the ...
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1answer
561 views

Install Virtualbox on Linux Mint 17.3 with upgraded kernel 4.4

Fresh Linux Mint 17.3 install on a Thinkpad T460. Upgraded kernel from 3.19 to 4.4.0-15 to get WiFi working. Now can't get Virtualbox to run. I need Virtualbox to run Vagrant. Error! Bad return ...
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0answers
50 views

System went to sleep last night for no good reason

I've recently built a new computer running windows 10 with x99 motherboard and for some reasons my Windows went to sleep mode last night for no good reason. When I woke from my sleep the computer ...
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0answers
24 views

I am trying to get Ubuntu 12.04 to run on my Nook simple touch, but it keeps throwing me the error below

This is the error it keeps throwing me `Fatal kernel too old` My kernel isLinux localhost 2.6.29-omap1 #27 PREEMPT Thu Sep 27 19:12:38 CEST 2012 armv7l GNU/Linux Could there be something wrong ...
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2answers
111 views

Grub not listing the new kernel while booting

I recently updated my kernel on CentOS 6.7. That also cleaned up all the older versions, which also updated my /boot/grub/grub.conf, it has a single entry (of the new kernel). Now, when I rebooted, ...
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1answer
16 views

Docker images and the kernel

have just spun up a docker image which is running Ubuntu 15.10 on my own machine which is still on 14.04. From what I have read, docker containers use your existing systems services, including the ...
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1answer
96 views

Linux very slow and uresponsive - linux swapper process high usage

My laptop with archlinux kde5 is slow and unresposive, to do all task, open chrome or dolphin, etc. and sometimes freezing for 10-30 seconds like if i have a lot cpu usage, i try with different ...
0
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1answer
98 views

Installing new kernel based on DEB's

I'm trying to test a proposed kernel for Launchpad Issue 1556562: VIA C7-D machine "kernel NULL pointer dereference" in skcipher_recvmsg_async. The proposed kernel is provided as a collection of DEB ...
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1answer
38 views

Change debian kernel had no effect

I upgraded my virtual machine from Wheezy to Jessie using debian provided help. The last step was to install new kernel do I did. > apt-get install linux-image-amd64 Get:4 http://security.debian....
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21 views

How can I reserve hotplug bridge's memory only for prefetchable memory using the Linux kernel command line?

I have been trying to reserve more bridge memory for PCI hot plug devices using the kernel command line option 'pci=hpmemsize=256M,realloc'. This ends up causing an issue for non-prefetchable memory ...
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0answers
18 views

System Hold on Starting INIT Version

after replacing motherboard as you see in this screenshot Kernel startup complete. Starting INIT version 2.84-gemdev-v008... And than INIT did not start, system doesnt do anything after this ...
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0answers
18 views

linux kernel scheduler's load balance acting weird

The machine i’m running on has intel i-7 processor – which has four hyper threaded cores – which means 8 logical cores . I forked 100 identical process that run in an infinite loop doing sqrt() – ...
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141 views

pf-kernel repository for ubuntu

I looked for a long time, and never found a pf-kernel repository for Ubuntu, sometimes I find some compiled pf-kernels on the net, like this website who provides some compiled pf-kernels for Ubuntu ...
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60 views

Get custom kernel parameter variable of booting qemu

Im currently using qemu on windows for testing my own linux distribution. its a embedded version built with buildroot. After building the distribution i have created a iso file. When i start the ...
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1answer
82 views

Kernel panic reports. Fans max speed. Frozen mac.

My computer keeps shutting down unexpectedly, and also freezes sometime, followed by either unresponsive sleep mode, or shut down. Also fans run at max speed usually before it clashes. I keep getting ...
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0answers
33 views

How should I configure my Linux kernel (running on armhf architecture) if I want to use the NAT-table in iptables?

I successfully compiled a Linux kernel (version 4.4) with nat support for my desktop computer that runs on a x86-processor. Now I want to do the same for my server which has an ARMHF processor. The ...
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0answers
45 views

Running VirtualBox on Fedora

I am trying to install VirtualBox on fedora 23 When trying to start a VM I get the error "Kernel driver not installed (rc=-1908)" My kernel version is 4.3.5-300.fc23.x86_64 I have tried following a ...