Jupyter Notebook Restore Variable
I am running a jupyter notebook for some hours. But suddenly the kernel stuck. Now I want to restore the variable as it will take a long time to run this notebook again. The interrupt kernel is not...
View ArticleWhat is the minimum amount of RAM required to run Linux kernel on an Embedded...
What is the minimum amount of RAM required to run Linux kernel on an Embedded device? In Linux-0.11 for 80x86, the minimum RAM required was 2MB to load the kernel data structures and interrupt...
View ArticleCompile RAID controller device driver (linux kernel module)
I have an adaptec 6805e RAID controller and I'm looking to compile the linux driver for ubuntu 20.04 (kernel=v5.4) but there have been a vast number of changes between kernel ~4x => 5x and I'm not a...
View ArticleWhich feature dose linux kernel update that lead to heap not executable on...
It's a binary compiled by C. I wanted to run some code on heap,but I got a segment fault. Then I use gdb to check the binary. It showed the NX was disabled and I had RWX access on stack segment while I...
View ArticleWhich feature does linux kernel update that lead to heap not executable on...
It's a binary compiled by C. I wanted to run some code on heap,but I got a segment fault. Then I use gdb to check the binary. It showed the NX was disabled and I had RWX access on stack segment while I...
View ArticleCheck if module is installed in Jupyter, rather than in kernel
I have a base conda environment, from which I have run jupyter lab:(base) $ jupyter labThen, from another virtual environment, I have done(venv) $ pip install ipywidgets(venv) $ pip install...
View ArticleHow to fix Clang: Error: the compiler does not support '-mcpu-apple-a14'
I am building the Darwin Kernel. I get one error.The errorclang: error: the clang compiler does not support '-mcpu-apple-a14'
View Articleclang eager to inline at cost of stack
Apple clang version 11.0.0 (clang-1100.0.33.17)The project has recently moved to mark all functions "static" that are not prototyped in headers, and only used in the specific source file.llvm appears...
View ArticleDo x86's SYSCALL and SYSRET still generate Software Interrupts?
I am having trouble understanding if software interrupts are still generated when system calls occur in x86. For example, I had thought a processor sends an interrupt to itself (a software interrupt...
View ArticlePandas: Kernel unexpectedly dies after attempting join() two large dataframes
I am trying to join two datasets that share the same index by using:merged_data = df1.join(df2)However, the kernel keeps dying. I've attempted restarting my notebook (jupyter lab) but I think it's...
View ArticleWake up a Kthread which is sleeping
static struct task_struct *control = NULL;static long call_ioctl(struct file *filp, unsigned int iocmd, unsigned long arg) { switch (iocmd) { case SETMODE: /* get buffer data from userspace which is...
View ArticleHow can you speed-up the compilation process on an SMP machine?
What is the core working behind the speed-up compilation process on the SMP machine?
View ArticleWhy does grub-file say that NASM raw binary is not multiboot2 compliant?
I am trying to make a minimal kernel. My goal is to make this not-yet-existing kernel to be multiboot2 compliant. So I started out by creating a minimal multiboot2-header in NASM-Assembly.I am using...
View ArticleUbuntu 20.04 Cannot find Ksplice Uptrack information for your kernel version
I'm running the latest Ubuntu 20.04 LTS and trying to get ksplice working as described here. Kernel version 5.4.0-77-genericI downloaded and installed the .deb file and accept the terms of service but...
View ArticleSRv6 kernel setup
I am trying to set up srv6 as documented https://segment-routing.org/index.php/Implementation/Configuration in Kubernetes containerenvironment between the Pods. As per the link "Note: all SRv6...
View ArticleWhy "__tracepoint_sched_switch" is undefined
I want to compile and load module from this answer https://stackoverflow.com/a/29526520/9609843There was some errors: I included <linux/sched/clock.h> because it is needed by sched_clock and I...
View ArticleHow to disable software SMI (System Management Interrupt) in Windows
Starting from Windows 10 1809, OS generates lots of software SMIs.We are running our real time application on separate processor core and each SMI generates unpredictable delay. Before 1809 it was...
View ArticleKernel time consuming+sycl
I am interested in to understand when I have complex function, it is better execute it on CPU or it is better execute it on GPU.I try to have a kernel time consuming, but I do not have any Idea for...
View ArticleThere is no output when I declare a matrix inside the kernel
The error due to internal declaration.,for eg, the kernel is as follows.extern „C“global void ComputationdClustersInternelOnGPU(int numTokenSrc,int numWordSrc,int srcLength, char *src,int...
View ArticleCustom Tree Kernels in SVM
I'm trying to study the research paper "Dependency Tree Kernels for Relation Extraction" by A. Culotta and J Sorensen. I want to understand more about Tree Kernels and how to use them. I understood...
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