Failing to downgrade my kernel version Ubuntu 20.04
I am trying to downgrade my kernel version, because I am having problems installing AMD-pro GPU drivers.So I am using Ubuntu 20.04 and my kernel is:IN:uname -rOUT:5.4.0-65-genericI need kernel ver...
View ArticleGoogle Colab GPUEngine: Kernel: no kernel image is available for execution on...
I am getting an error on Google Colab "no kernel image is available for execution on the device"How to fix it ?GPU: Tesla P100-PCIE-16GB (56x64 cores) Grid(448x128)@root>...
View Articlecannot compile raspberry kernel on NTFS disk
sorry for my bad english.i try to compile kernel source code of raspberry and jetson tx2 on a NTFS disk.compile kernel source code of jetson ok, no error.compile kernel source code of raspberry fail...
View ArticleCan't load kernel binary:Invalid SDK hash
I want to run flutter web after write flutter channel beta it replies: Can't load kernel binary:Invalid SDK hash, do you know how to solve this problem?
View Articlevfs_write causes a kernel panic
This is my code to write to a file from kernel.(i know it is not a good idea to read and write directly from kernel but this is just a test).static void write_startup_file(char *startstring){...
View ArticleFIO (Flexible I/O) Tester how to define IO pattern?
My understanding about normal I/O Stack:User application does File Open, then write data to this open file, and data is raw data and unknown to Kernel File System.For example, application of user space...
View ArticleWhere to find the Ada Open Ravenscar Real Time Kernel ORK?
For study purpose i searching for the Ada Open Ravenscar Real Time Kernel ORK.I dident find anny sources yet. Any suggestions are welcome.
View ArticleIs a kernel classified as hardware or software?
I'm trouble shooting a phone issue for my boss and I've run into an unlocked bootloader. Which is a common sign of a rooted android device. But digging more into what makes a phone rooted and how to...
View ArticleInitialization and Cleanup are swapped around in Kernel Module
Currently studying kernel modules, and we tasked with writing a small Hello World / Bye World kernel module (in C). Got the idea pretty quick and had a rough idea of what I should do.Needed to make the...
View ArticleWhat does the "Ki" in "KiSelectNextThread" stand for? (Windows Kernel)
I was reading the book Windows Internals 6th Edition Part 1, Chapter 5, section on "Thread Selection" and it states the following:"Whenever a logical processor needs to pick the next thread to run, it...
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Clicking on keyboard will create 3-7 characters
Summarize The ProblemI'm building an operating system using C++ on Linux Mint in Parallels Desktop Mac.I just added keyboard support except there was a problem...When I press one key on the keyboard,...
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Jupyter Notebook kernel dies when importing tensorflow and keras
I imported few python libraries like keras and tensorflow but my kernel is keep dying.I tried all the methods like install new version of tensorflow, created new environment but it didn’t resolve the...
View Article"git binary diffs are not supported" error upon running "patch -p1 < patch-file"
I have a .patch file that I want to apply to the android kernel, and I do so via:patch -p1 < <patch-file>After running it, I see git binary diffs are not supported print for the following line...
View ArticleHow to add cursor support in kernel [closed]
I'm building an Operating System from scratch using C++, I added Interrupts, GDT and Keyboard support. Now I am adding mouse support.I am using C++, GNU Linker, GNU GRUB, GNU Assembler and I'm running...
View Article"page_address()" returned void pointer with memcpy causing system freez --...
I am trying to copy kernel page type object to another object of type void pointer using memcpy. I am using page_address() function call which returns void pointerI think the system freeze issue...
View ArticleJupyterLab opens but without kernel
I get a browser tab for JupyterLab but it shows, "Error Starting KernelUnhandled error". I am using Python 3.9.2. How can I resolve.
View ArticleHow to make printk show all messages on all serial consoles regardless of...
The board I'm working has one serial console (ttyS0) and I would like to make my kernel module show any errors to this serial console. I understand that one possibility would be using console=ttyS0...
View ArticleUnderstanding the Device Tree mechanism
Was reading the Device Tree Usage and reached to the section describing the ranges key attribute for a node.external-bus { #address-cells = <2> #size-cells = <1>; ranges = <0 0...
View ArticleHow to start with U-boot network for PPC in Qemu?
I'm running u-boot for powerpc in Qemu.qemu-system-ppc -M ppce500 -m 512 -kernel u-boot -cpu mpc8572 -nographic -device pcnet,netdev=mynet1 -netdev user,id=mynet1U-Boot 2020.07-rc4 (Jun 25 2020 -...
View ArticleModprobe vfio-pci not working inside VM, what do I do wrong?
I have been trying to load the vfio-pci module into the kernel using the "modprobe vfio-pci" command with no success.I am a newbie when it comes to low level programming, so I suspect I might be doing...
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