"[SpyderKernelApp] WARNING | No such comm:" bm3d error in python trough...
I recently installed bm3d noise reduction algorithm on my mac by typingpip install bm3don the terminal.Everything seemed ok.However, every time I try to run it I get the same error[SpyderKernelApp]...
View ArticleCan the Pagemap folder of processes in the Linux kernel be read(64bit per...
I'm trying to keep track of the number of writes per physical page in the file "proc/PID/pagemap".But the file is binary, and the size shown in the file properties is 0, and the following function...
View ArticleBTF: .tmp_vmlinux.btf: pahole (pahole) is not available
Getting this error while compiling the kernel version :5.7-rc4BTF: .tmp_vmlinux.btf: pahole (pahole) is not availableFailed to generate BTF for vmlinuxTry to disable CONFIG_DEBUG_INFO_BTFmake: ***...
View ArticleStart Menu Not Loading [closed]
I cannot get multiple components of the Windows taskbar to load, including the Start Menu, Clock, and Action Center. I can get the Overflow Area from the System Tray to open up. Also, not sure if this...
View ArticleWhat's the udev-like thing on OSX and how does it work?
If I plug a USB-serial adapter into my Mac, a new device shows up in /dev, such as /dev/tty.usbmodem1421 or /dev/tty.usbserial-A7048O1O.If this were Linux, I'd be looking for an udev rule that explains...
View ArticleLinux: where does the kernel name the Network interface?
I am working on a troubleshooting of the Linux network interface naming.Here I have some generic questions:If there are multiple NICs,they will be named as "eth0", "eth1", "eth2", etc. Which kernel...
View ArticleFind local minimum in a vector with r
Taking the ideas from the following links:the local minimum between the two peaksHow to explain ...I look for the local minimum or minimums, avoiding the use of functions already created for this...
View ArticleWhy can't I run any command in Jupyter Notebook?
I just downloaded Anaconda for Python 3 for the first time. I opened Jupyter Notebook and am trying to run a command and follow along with pre-written code from my professor. In the top right corner,...
View ArticleHow to intrepret some of the statements in Android.mk file
I have a Android.mk file which belongs to AOSP. There is a particular statement in this file:$(TARGET_KERNEL_CONFIG): $(KERNEL_CONFIG_FILE) $(LOCAL_PATH)/Android.mkCan anyone explain what is this...
View ArticleWhy is the Windows NT kernel said to be a hybrid model?
According to Wikipedia, the Windows Kernel is a hybrid model, meaning it has both a monolithic and microkernel architecture.But both definitions are very opposite: monolithic is that there is a shared...
View ArticleIs there are a way to get virtual address of page during swaps?
I'm working on kernel swap module to a build patch for a visualizer and currently I've learned that the anon_pages should be access through anon_vma to get the previous virtual address.I know that...
View ArticleHow to find out the function's input param address by bt and dis info? [closed]
How to find out the input param address for nvmet_ns_disable(struct nvmet_ns *ns) by below bt and dis info? Thanks!crash> bt 80915PID: 80915 TASK: ffff9b571dfdc040 CPU: 22 COMMAND: "xxxx" #0...
View Articlecentos 7.5 supermicro x11sta-t - when I set kernel parameter memmap= the...
I am using some middleware that expects memory to be reserved with the memmap= kernel parameter.With centos 7.5 supermicro x11sta-t - when I set kernel parameter memmap= the kernel hangs on boot.Is...
View ArticleHow to call exported kernel module functions from another module?
I'm writing an API as a kernel module that provides device drivers with various functions. I wrote three functions in mycode.c. I then built and loaded the module, then copied mycode.h into < kernel...
View ArticlePassing variable to python from JS not working in Bokeh
This issue is breaking my mindI cannot pass simple variable to python from JS in Bokeh.So, something like this is working fine:from IPython.display import HTMLinput_form = """<div...
View ArticleWhat is the use of the argument num in this code?
The "os161" operating system contains the following code. Specifically, where the syscalls are defined:...#include <kern/syscall.h>...#define SYSCALL(sym, num) \ .set noreorder ; \ .globl sym ; \...
View ArticleHow is time in guest OS and host OS different?
Here is what the book Operating Systems Principles and Practice says when it introduces how virtual machine handles timer interrupts:Timer interrupts need special handling, as time can elapse in the...
View ArticleTypeError: 'int' object is not subscriptable. I am trying to sharpen an image
Trying to sharpen an image and I am getting a TypeError:'int' object is not subscriptableError refers to line number 28.what's wrong with the codefrom PIL import Image, ImageDraw# Load...
View ArticleCAN implementantion in Linux Kernel for Beaglebone Black with CAN cape [closed]
I recently started to develop in the embedded linux field and I compiled my first linux kernel (v5.4.30) for the Beaglebone Black card using buildroot.Now my goal would be to integrate the integrated...
View ArticleUnable to switch TTYs in RHEL8
I am using MobaXtern to connect to RHEL8 VM unable to switch to ttys by using the CtrlAltF1 .. F6 keys.I have also tried chvt 1 command but it is not working too.[root@localhost log]# chvt...
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