Everything about UNIX kernels: development, configuration, compilation, design, etc.

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“TouchPad lost synchronization” errors in dmesg

My openSUSE 11.3 laptop is running slow. dmesg shows the following errors: [ 733.162161] psmouse.c: TouchPad at isa0060/serio4/input0 lost synchronization, throwing 5 bytes away. [ 774.230841] ...
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182 views

Make kernel detect garmin device

I'm trying to connect a usb garmin forerunner device to my system, but the usb device is not detected. I have loaded the following mods: garmin_gps 11544 0 usbserial 25449 ...
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1answer
15 views

What is kernel Space and User space. [duplicate]

what is Kernel space ? i want to understand it and same with User space and what is the diff between them
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50 views

Kernel modules for compiled kernel

I cannot find kernel-headers. For the first time I compiled and installed the latest kernel (4.0.3) on my Debian Wheezy, and now I am trying to install ndiswrapper using module assistant. For that, ...
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Error installing kernel on Centos (from source)

I am running GNU/Linux (Centos 6) on kernel 2.6.32-431.17.1.el6.x86_64. I am trying to update the kernel to 3.2.61. I performed the following steps inside the 3.2.61 folder structure: make ...
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Is the kernel version fixed within the life of a release/version of each Linux distribution?

I read the Table of versions of List of Ubuntu releases. I found that the kernel version for each release is fixed. E.g. the kernel is 2.6.24 for Ubuntu 8.04, 2.6.32 for 10.04, 3.2+ for 12.04, and ...
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1answer
131 views

Common code for kernel and userspace [closed]

I'm working on a linux project. I want to have some code (to be specific, a struct) and a header file (my own implementation) common to both the kernel and the userspace. Can someone tell me how to ...
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1answer
42 views

Linking option while installing Linux [closed]

I have installed Linux kernel from source. The way I do this is that I first do make menuconfig and then make inside the root directory of the source code. As a result of this I get a an ...
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1answer
82 views

How to install kernel 4.4 on debian testing?

Hello can someone tell me how to install kernel 4.4 on current debian testing ? I have a bug that might be solved by the kernel 4.4 so I want to give it a shot but can't find the name of the package ...
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1answer
125 views

Grub Refuses New Kernel

so my Mint 17 hasn't been booting, and I tried reinstalling the kernel from a live USB drive. I followed the steps detailed in this guide to edit /etc/default/grub to accept the last saved kernel ...
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1answer
450 views

virtualbox can not create new virtual machine

I'm try to make a new virtual machine but virtualbox have this error in end step : Failed to create a new session. Callee RC: NS_ERROR_FACTORY_NOT_REGISTERED (0x80040154) and in terminal this shwn ...
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1answer
618 views

Pfsense source code to build firewall

Pfsense is an open source Firewall based on openBSD kernel. Where can I find the code and how to modify it to build my firewall?
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What is the difference between “make defconfig” and “make alldefconfig”?

When configuring a linux kernel there are different ways to use a "default" config: defconfig - New config with default from ARCH supplied defconfig alldefconfig - New config with all ...
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0answers
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Using specific driver version for the device jointly defaul driver [duplicate]

I have dongle USB-RS85 like this, based on CH340G. There is linux kernel driver ch341 that support this device (and create device /dev/ttyUSB0). But this driver does not support parity modes ...
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2answers
45 views

Building a kernel

I'm trying to build a custom kernel and I try to build it using make command but I get a No targets specified and no makefile found. Stop. error. Then I searched for the makefile in the folders ...
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2answers
698 views

Generate major page faults

Is it possible to generate major page faults in the linux kernel at will? Can a program be written such that it is guaranteed to cause a major page fault on it's execution.
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1answer
336 views

MIC not working due to USB bandwidth

Using debian and centos, i get the same error when plugging my USB mic in. In Windows (xp thru 8.1) it works fine. [ 304.237543] usb 2-1.6.2: USB disconnect, device number 6 [ 305.220785] usb ...
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1answer
857 views

removing kernel modules not working for some modules [closed]

unfortunately i couldnt install a machine with minimal installation as a virtual machine ,so i am trying to prevent loading of unwanted modules from kernel using blacklist file. Added following to ...
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2answers
252 views

Upgrading the kernel in Redhat Linux 6.0

How do you upgrade the kernel in Redhat Linux 6.0? And how can I confirm whether it is updated or not?
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1answer
464 views

Set Kernel Root to Same Partition as Boot

Running GRUB, I want to set the kernel root parameter to the same partition (or more generically, to a partition on the same device) as the disk with the bootloader. Initially, the install set the ...
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1answer
75 views

Remove branding from custom kernel

I have an assignment to build a custom kernel which removes all the drivers/plugins that are not needed and also remove any traces that it is Ubuntu's. Basically, my teacher wants us to strip it down ...
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1answer
124 views

Loading a kernel driver to a specific memory address

How can I load a kernel driver at a specific memory address? How could it be done with the following methods? commands/scripts like insmod or modprobe using C code (not sure if there may exist ...
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1answer
178 views

How to create a custom Linux distribution? [closed]

Can any one tell me the easiest way to create a system with live cd with installing function. Which can install backtrack all tools?? I need to create a custom boot animation and everything!
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1answer
971 views

Best method for testing android kernel

I would like to test some of the features of android kernel like inserting a module and collecting certain parameters for research purpose. What would you think the best method for that?
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1answer
61 views

Is it neccessary for me to update my kernel? And how? [closed]

I'm trying to install Kubuntu on a VM in order to do some deep learning following this guide: https://github.com/BVLC/caffe/wiki/Ubuntu-14.04-VirtualBox-VM I'm stuck in the step of the guide that ...
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1answer
72 views

when update kernels do they close bugs?

I'm not an expert in linux but when I upgrade my kernel to latest stable one which is 3.12.2, does it close all security bugs? How linux security bugs be closed? by installing newer kernel or how ...
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172 views

Find Linux kernel build date/time?

In a Linux distro, let's say Ubuntu 14.04, how can one find the time and date when this particular Linux Kernel was compiled/built?
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351 views

Why is the UNIX kernel so crucial? [closed]

More specifically, how is the UNIX kernel treated differently from other parts of the Operating System?