How to fix 'jupyter notebook server failed to launch in time' or “The port...
I am very new. I saw this question posted and I've tried all of the suggestions I could find. Even manually input the token for the port. Nothing worked. Is there a definitive answer to this one yet?
View ArticleI have problem witch compilation android linux kernel
I have problem witch compilation android linux kernel./include/trace/events/sched.h:269:2: error: #error "Unsupported NR_CPUS for lb tracepoint." 269 | #error "Unsupported NR_CPUS for lb tracepoint." |...
View ArticleWhat happens when you lose the virtual address of the page directory?
I'm writing a memory manager for my kernel (32 bit x86)In the course of this... I'm facing a bit of a dilemma....Description of virtual memory map:Identity map of first 4 MbVirtual address 0xC0000000...
View ArticleHow do if fix this Jupyter notebook kernel error?
I am having an issue with Jupyter notebook.For some reason it always shows a Kernel error in the top right, next to my Jupyter notebook.When I click on it, it gives the error message below.Can someone...
View Articlehow to use i2c driver in kernel space
I have wrote a character driver to control my embedded hardware with my application, In my driver there is a feature to send a command to an I2C device which is connected to my embedded device.in...
View ArticleJupyterhub unable to add modules directory
I need to add custom directory for Jupyterhub so the users can import python modules installed using pip.We have an offline server running Jupyterhub. I loaded new docker image onto this server (docker...
View ArticleWhy is the Many-to-Many threading model not used in more
The book Operating System Concepts talks about the various multithreading modules (section 4.3), it mentions that the one-to-one model is used in most operating systems; Linux, Windows, etc. However,...
View Articleerrors in jupyter kernel?
I am new to the use of Jupiter and have set up a kernel, but an error is preventing anything happening. Any help would be appreciated. The text below is the error coming once I click on kernel...
View Articlehow to report a bug to linux-usb mailing list?
I want to report a bug to the linux-usb mailing list but I don't know how!what's the address I should report to and send the email?thanks
View ArticleWhat are the Linux kernel APIs available for querying physical pages of a...
What are the Linux kernel APIs available for querying physical pages of a kernel virtual address that belongs to RO data section?For x86_64 I tried virt_to_page(addr) and it seems to work but that...
View ArticleHow much a Docker container is portable?
I was searching through the Internet to find the answer for this question: How much a Docker container is portable? I am aware of OCI which is a way of standardization that Docker has founded, and I am...
View ArticleWhat does the Kernel Scale parameter inLinear and polynomial kernel in SVM?
I have a theoretical question, and understand the concept of Kernel scale with the Gaussian Kernel, but when I run 'OptimizeHyperparameters' in fitcsvm in Matlab, it gives me different values than one,...
View ArticleUnderstanding deferred procedure call (DPC)
I am reading OS and CPU concepts for writing device driver and i came across "deferred procedure call (DPC)" and how kernel interacts with DPC and IRQL. I really appreciate a simple explanation of what...
View Articlelinux kernel module data compression
linux 2.6I am writing a LKM. I need to compress and decompress on the fly many different chunks of text.I prefer to call kernel api, avoiding to include and compile external libraries.Are there kernel...
View ArticleCUDA array sum reduction gives wrong result
I am trying to use the reduction techniques mentioned on the NVIDIA website. I am trying to implement the "first add during load" method which uses half of the threads in the grid. I need this to avoid...
View ArticleHow does an C program work? Where is the Shell? [closed]
I have always read that the shell is needed to interact with the kernel of the computer but when I execute a C program.Where is the shell??? How does it communicate with the kernel? Is shell the only...
View ArticleIs there any point is reinventing the wheel? [closed]
I'm a university student going deep into computer science. The thing that I enjoy the most is low level high performance programming applications. I've seen the web stack and it's not my thing.I've...
View ArticleMetal Shader pointer or local copy performance
I have a metal kernel function that reads, processes and writes elements in a huge array of data, stored in device memorydevice Element *elements [[ buffer(0) ]],I'm wondering what's better in terms of...
View ArticleHP WiFi module RTL8822BE on kernel 5.3.0-46-generic working very slow (too...
sudo iw dev wlp2s0 scan BSS aa:3e:0e:f9:ce:4f(on wlp2s0) -- associated TSF: 3127817413 usec (0d, 00:52:07) freq: 2472 beacon interval: 100 TUs capability: ESS Privacy ShortPreamble ShortSlotTime...
View Articleafter using rmmod program freezes
I have some problem with my code. In my code i solve the reader writers problem using RCU, when i load the module (insmod) everything works ok, and it works as i expected, but when i unload module...
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