Most voted "kernel" questions
Kenel is the core component of the operating system of most computers; it serves as a bridge between applications and actual hardware-level data processing. Core responsibilities include managing system resources (communication between hardware and software components). If the question is not about "Kernel", do not use this tag, even if you are using "Kenel" in your project.
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answers15565
viewsWhat are the differences between Kernel and Microkernel?
Studying about operating systems I came across concepts about kernel and microkernel. In my researches I found the following definitions: Kernel In computing, the core or core (in English: kernel)…
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answer95
viewsWhat do the terms Memory Poisoning and HWPOISON mean?
I’m studying some things in the kernel GNU/Linux and found the above terms in the Memory Management/ Memory Allocation, would like to know the meaning of both and what they are ?…
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answer170
viewsHow is the Linux kernel or programs written in C tested?
When we use Java, we use Junit to test codes. But codes written in C, such as kernel Linux, how it is tested?
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answer93
viewsWhy should we make a bootloader before the kernel first?
Why when we develop an operating system, we always have to make an bootloader, because we can’t start with kernel?
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answer1931
viewsWhat is the meaning of the kernel version?
I’m trying to make an app, like college job, for Android vulnerability diagnosis based on device metadata, like Android version, Kernel version, Build Number, etc. I don’t fully understand the…
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answers54
viewsRaspberry Pi3 + Raspbian - Python serial driver problem cp210x
Hello, I would like if possible, help/tips on the following problem: I am connecting my device using cp210x driver to my raspberryPi3 using Raspbian system, through USB-Serial communication, but…
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answer130
viewsWhy does the operating system leave it to the programmer to deal with racing conditions?
That doubt came to me after that question: What is a racing condition? From my point of view then correct me if I’m wrong, for the kernel everything is read or written, hence also the reason for the…
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answers128
viewsHow to capture pid of processes that are accessing x service
I would like to know a way to monitor all processes that are using a service/ system functionality, more specifically want monitor processes requesting and modifying the position of mouse, I tried…
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answer58
viewsIs it possible to include Allegro in a C kernel?
I have been studying for some time the construction of Operating Systems with bootloader in Assembly and kernel in C, and recently I started studying Allegro. Theoretically it is possible to include…
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answers1394
viewsKernel update system on Android
Browsing the site https://android.googlesource.com/ I realized that there are many people making changes to the source code of the Android system. I even know that bug fix patches and…
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answers155
viewsHow to create a System Call to extract data from an ongoing process?
I need to make a System Call that receives a PID as parameter and returns the number of bytes that this process read from the standard input, disk, and how many bytes it wrote on the USB port. As I…
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answers1026
viewsAppclash (KERNELBASE.DLL) Error when DLL in Delphi tries to show message in Delphi application
I have a DLL made in Delphi XE7 that is called by Delphi application also in XE7 version. This DLL does not need to be registered in Windows. That when missing some information or when entering a…
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viewsIs it possible that a lawsuit has pending files?
That is, is it possible for a process to continue running in user mode even if it has Signals left untreated, and only treats them when switching from core to user mode? Or so there is a Signal it…
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answers33
viewsHow can I create update function in colab without restarting its kernel?
I have my functions done outside of colab, in py files, however I would like to change the function and not need to restart the colab kernel. For this function to work in the notebook I am currently…
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answer163
viewsIs it possible to have an operating system with multiple kernels?
I was thinking along with my team to make an operating system that runs the applications and drivers Windows and Linux kernel Linux and React OS kernel hybrid, but I’m curious to know if it would be…
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answers82
viewsKernel build error in Ubuntu
I am trying to compile the 3.2.91 kernel on Ubuntu and when I run the make command this error occurs: scripts/Makefile.build:305: recipe for target 'arch/x86/kvm/vmx.o' failed make[2]: ***…
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answer37
viewsModified Linux kernel build error
I am trying to compile a modified version of the linux kernel (Xdplua). I followed the steps present in the Arch wiki (because I use Manjaro)…
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answers20
viewsError setting stack by kernel
I always thought I understood about the stack but I realized that no, I’m wanting to understand the stack in practice, so I created this environment The idea is to set the top of the stack at 7FFFh…
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viewsKernel stuck in "Busy" after cell execution
I’m trying to run the following cell of a Jupyter Notebook: for cada_carteira in range(numero_carteiras): peso = np.random.random(numero_acoes) peso /= np.sum(peso) retorno = np.dot(peso,…
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answer216
viewsType of Android kernel
The Android operating system developed by Google is a monolithic kernel or microkernel?