The kernel is the central component of the operating system and manages hardware, process scheduling, file systems, virtual memory paging, inter-process and network communication, etc.

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CentOS Development Tools “No package kernel-devel available.”

When attempting to install the Development Tools on CentOS 7 I get the error: Error: Package: systemtap-devel-2.8-10.el7.armv7hl (base) Requires: kernel-devel However I can not seem to ...
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Getting kernel headers for raspberry pi 2

I'm attempting to create a virtual video device on raspberry pi 2 using v4l2loopback and prior installation of the v4l2loopback on their website in the Dependencies section they say that the kernel ...
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24 views

Raspberry Pi 2 and Adafruit Thermal Printer 597

I have been encountering problems regarding my raspberry pi 2. I've been following the instructions given @ https://learn.adafruit.com/pi-thermal-printer/overview when I change parameters in my ...
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Embedded Xinu for RPi

I have completed with setting up the cross compiler but stuck with the compiling part. I have build all the gnu binutils and the gcc successfully in the directory: /home/admin/xinu/opt. But while ...
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77 views

Low Enery Consumption Kernel

I am thinking about compiling the kernel in order to have a low consumption configuration ready for the raspberry. Is there any configuration or .config created before compiling it with the power ...
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34 views

What USB video grabber chipset is supported by the Raspberry Pi 2?

I am looking to capture USB Video on the RPi2. Afaik, there are three devices that have had good success using on RPi 1 models. But I can't use them on the RPi2 because of the below reasons. stk1160 ...
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1answer
78 views

Recover pi 2 from wrong kernel build?

I built rt kernel incorrectly, so it did not boot at all and I left the old one with a different name. I want to know how to change these files back so it can be booted??I mean by a program for SD ...
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1answer
41 views

Cross compile kernel error

While compiling rt kernel following this http://www.frank-durr.de/?p=203 I got that error
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229 views

Asus USB WiFi driver install

I am in the process of creating some access points and have bought three RPi2. Before this purchase I've followed this tutorial and managed to create an AP. For that I used 1 Raspberry Pi 2, ...
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1answer
76 views

Boot the Raspberry Pi 2 with custom kernel and initramfs

I want to boot my Raspberry Pi 2 with a custom configuration. Therefore I have a kernel image and an initramfs file. The /boot directory looks like this: /boot/my_kernel.img /boot/my_initrd.img I ...
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1answer
148 views

How compile a loadable kernel module without recompiling kernel

I have read quite a bit about how to compile a kernel module on (and for) the Raspberry Pi, but I'm still not quite able to figure out why it's not working. I have been able to build the module, but ...
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235 views

Essential parts for booting the Raspberry Pi 2

This git repository contains pre-compiled binaries of the current Raspberry Pi kernel and modules, userspace libraries, and bootloader/GPU firmware, as you can read it in the README file: ...
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1answer
43 views

conflicting dtoverlays

I'm using a GPIO connected display 1 which requires a patched kernel and dtoverlay=4dpi-3x in /boot/config.txt I would like to use a DS18B20 temperature sensor which requires dtoverlay=w1-gpio to show ...
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1answer
118 views

Installing ESP8266 SDIO driver; “make” command gives “Kernel build tree not found” error

I'm attempting to add a kernel module on a Raspbian Debian installation for an SDIO-based wifi module driver( found here: https://hackaday.io/post/28712) The stable image comes with kernel 4.1, so ...
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3answers
689 views

How to build My own OS for the raspberry or configure an existing one

I'm using Raspbian with raspberry pi 2 ... But i want to customize it and remove some features that i don't really need , to take advantages on the performance and also to understand the procedure of ...
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142 views

Is it possible to run the raspbian based Kano OS in QEMU?

Kano is a real, real cool device for kids. I wonder if I can run Kano OS in an emulator like qemu. I'd really like to check it out before buying it. After all Kano OS is just a Raspbian based OS ...
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1answer
106 views

Why can't the kernel7.img be replaced with a kernel from Fedora's arm builds?

I was able to get fedora running using a kernel from a raspian image (as proposed here). But when I replace the kernel7.img with the vmlinuz-4.2.3-300.fc23.armv7hl from a Fedora-Minimal(armhfp) the ...
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Cannot Emulate Raspberry Pi using Qemu: Kernel Panic

I am trying to follow various guides on the Internet in order to emulate Raspberry Pi on my Fedora 22 machine. I have found this question: Emulating raspbian with QEMU and used it to find kernel-qemu ...
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TFT Kernel module not loading on startup

I'm not able to load a driver for a TFT display permanently on a Raspberry with Raspbian OS like specified here: fbtft_device name=sainsmart18 verbose=0 in /etc/modules. Whenever I restart the ...
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1answer
1k views

Where do I find the linux headers for an image?

I started with Raspbian 3.18.5 (Wheezy?) and did an rpi update and ended up with 4.1.10 (Jessie?). When I did a sudo apt-get install linux-headers the following packages were available: ...
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0answers
28 views

Boot error when attempting to install Kinect driver

I am trying to install the kernel driver to use the xbox kinect with my Rpi model B. I have followed the commands found here https://github.com/xxorde/librekinect under example for Rpi with the ...
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1answer
76 views

Error compiling kernel using guide provided on Raspberry Pi website

I'm encountering errors while trying to compile the kernel from source. I've looked around but I'm not finding anything that deals with the error I'm seeing specifically. I am using the guide on the ...
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1answer
997 views

Enable monitoring mode for RTL8188CUS via USB on Raspbian

I am trying to enable monitoring mode for a USB wifi dongle with the RTL8188CUS chipset on a raspberry pi model b+ (or any raspberry pi for that matter). $ lsusb Bus 001 Device 005: ID 0bda:8176 ...
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205 views

How to upgrade BerryBoot kernel?

I have a Raspberry Pi 2 and put BerryBoot on my SD card. I've installed Ubuntu Mate 15.04, OpenELEC and RetroPie. However, my WiFi dongle doesn't work on any of them. I've installed the driver on Mate ...
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Locking a C++ binary to the RPi serial number

I see that each RPi has a serial number that is accessible by reading /proc/cpuinfo. How secure is it for me to tie such serial number to my C++ binary when I want to lock that binary to a single RPi ...
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image very small and time to build too short

I've performed a kernel building by performing this map. Each step have been all right until the step 9 make ARCH=arm CROSS_COMPILE=${CCPREFIX} and no errors occured. I did default configuration ...
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1answer
166 views

Cross-compile x86-64 code on Raspberry Pi 2

I'm doing experiments regarding compilation of the Linux kernel on various platforms, but mainly on the RPi and on x86-64 machines. There's no shortage to the links on Google describing how to compile ...
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1answer
922 views

kernel panic not syncing: VFS unknown-block 179,6 after cloning SD

I have set up my Raspbian and need to clone the SD Card to about 20 other Raspberry Pis now. I used the following command (on OS X) to clone the SD Card: sudo dd if=/dev/rdisk3 of=~/Desktop/pi.img ...
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1answer
240 views

cross compiling fails. no rule to make module install

I am trying to cross compile a Linux kernel for my Raspberry Pi. following this tutorial. I am trying to run this command: make modules_install ARCH=arm \ ...
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1answer
269 views

Raspberry Pi 2 i2c-dev kernel module not loading

I am currently facing the problem that the i2c-dev kernel module is not loaded despite the dtparam=i2c_arm=on being present in /boot/config.txt. Therefore I cannot i2detect fails on me as /dev/i2c-1 ...
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2answers
338 views

Install older kernel (3.6.11+) on Raspberry Pi 2

Somewhere in the upgrade from the 3.6.11+ kernel to the 3.10 kernel, the ability to receive video through a USB capture card broke (capture card is based on the stk1160 chipset). It is documented in ...
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1answer
118 views

Install Custom Kernel

I have a custom linux kernel I need to use. I have the source tree and seem to have cross-compiled it correctly. I don't need help with that, but I don't know how to now install and use the kernel. ...
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issues installing cross-compiled kernel onto blank SD card

I've followed this tutorial when it comes to compiling a kernel for the Raspberry Pi. I'm installing onto a properly partitioned SD card, which I completely formatted first (it now has a fat32 boot ...
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1answer
143 views

Trouble with rpi-source with kernel 4.0.x

Since a while I was using rpi-source to download kernel source corresponding to the kernel update using rpi-update. As it works great on kernel Linux pib 3.18.14+ #793 PREEMPT Sat May 30 13:15:19 ...
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186 views

Kernel log ONLY on serial console (UART)

How to configure kernel, config.txt and cmdline.txt to get all kernel logs (starting from boot) in serial console (UART) only? To clarify: I don't want to see any kernel log on HDMI monitor I don't ...
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1answer
69 views

Kernel/Firmware as Debian package

It says on the official site that "the kernel and firmware are installed as a Debian package, and so will also get updates when using [apt-get upgrade]" I run apt-get update / apt-get dist-upgrade ...
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1answer
114 views

zImage install on Raspberry Pi 2

I have precompiled Android Kernel and modified it. After builduing I got an zImage. The Question is how can I install and boot the zImage on my raspberry pi 2? I'm using a SD-card.
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1answer
71 views

What are the steps to port a edited Kernel to a newer version?

Title is the full question. Story: I got now one of these 3.6" TFT Screens for the Pi. Now I followed this tutorial on how to set the Pi up for the screen, which is basically a changed kernel. Now ...
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Error is raised when I compile simple driver module on Pi itself with a corss-compiled Kernel

I cross-compiled a new Kernel(3.18.10) on Debian Jessie amd64 for RPi2. Later, when I compile a simple Hello-World module with this kernel, however, an error is raised: make -C ...
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1answer
129 views

Kernel throwing up all kinds of errors over night

I am developing a system that uses OpenCV with Python to access the csi camera, and PyGame for the GUI. Due to the nature of the system (security program) it needs to be left unattended pretty much ...
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1answer
180 views

Problem installing usbip on Raspbian

I am trying to set up USB/IP to share a USB device I have connected to my Pi model B. Here are the steps I have completed. I have installed the usbip package and cross-compiled a new kernel ...
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176 views

Specify interrupt in devicetree overlay

I have created a devicetree overlay to add an MRF24J40 transceiver to Raspberry Pi. The interface of the transceiver is SPI and an interrupt request. After some trouble the device finally appears in ...
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61 views

Using kernel debug symbols on Raspberry pi

I see that I can install packages that contain the kernel debug symbols in Ubuntu as shown here. Is it possible to do the same for Raspberry pi? I'd really like to have kernel symbols for the raspbian ...
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3answers
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Emulating raspbian with QEMU

I'm trying to emulate raspbian on QEMU and there're plenty of guides available on internet. However, every guide points to download qemu-linux kernel from link ...
2
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1answer
35 views

Time between power on and kernel starting

On my RPi2, I have measured exactly 5 seconds between : "I plug the power cord" and "Kernel starting time 0.00s", as displayed on the top left here: Is there a way to optimize this ...
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1answer
53 views

Trick kernel into having a connected keyboard

I have a Raspberry Pi B running Raspbian. I'm using it to create this for my little brother. I'm using Adafruit's Retrogame code (found here) to receive GPIO inputs and convert them into keyboard ...
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428 views

GPIO.cleanup() on RPi2

To make a long story short I am trying to read frequency on the RPi2's GPIO pins. The goal eventually would be to use this frequency signal to control a PyGame platformer that I have created. However ...
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1answer
194 views

Raspberry Pi kernel image installation on new SD Card (no pre installed Raspbian or NOOBS in it - it's free with no partions)

I have been working on kernel compilation of Raspberry Pi on Ubuntu using a cross compiler. I have compiled the kernel, and I got the image file generated ...
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1answer
138 views

Kernel panic not syncing with keyboard plugged in [closed]

My Raspberry Pi won't boot with a keyboard plugged in. It is a wireless Logitech two-in-one keyboard, and it says: end Kernel panic - not syncing: Fatal exception in interrupt. How can I fix ...
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1answer
257 views

missing crypto kernel module on Raspberry Pi 2

I'm trying to use dm-crypt on my Raspberry Pi 2 with Raspbian (jessie) to open a trueCrypt volume, but i get Required kernel crypto interface not available. Ensure you have algif_skcipher kernel ...