make kernel 5.9 error FAILED: load BTF from vmlinux
make kernel 5.9what can i do?using ubuntu 20this is error message in terminalFAILED: load BTF from vmlinux: Unknown error -2make: *** [Makefile:1162: vmlinux] Error 255
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Flutter device daemon #1: process exited during startup
the dart path is correct, the environment variable also fine but I can not figure what went wrong, I can not create or run flutter projects. I don't know what is the is please help me figure out this.
View Articledkms status not working, can't remove duplicate driver + other issues with...
I am using Manjaro Linux with Kernel 5.7.I just went through about 3 days of trying to get my network card to work properly on kernel 5.9rc, however I have eventually resolved to regress back to kernel...
View ArticleDetermine time of execution and the impact of kernel tick frequency
Let's say I wanted to know the time of execution for some command with an accuracy of 1/10 of a millisecond. To be clear this command differs quite a lot in the time it takes to execute and all I care...
View Articlethe loading of i915 driver
The background is that I have a HP ProOne 400 G4(CPU:i3-8100T/GPU:Intel UHD 630) which graphics card doesn't work well with Ubuntu 18.04. I had carefully check the output of dmesg but nothing...
View ArticleI'm trying to compile Kernel for mi 8 lite android q
Kernel Source PlatinaTrying to compile mi 8 lite kernel from source but encounter this error can someone help me please thank you in advice.Error while compiling
View Articleincrease NIC rx performance
I have an Intel 82598EB 10GBE NIC.I need to receive traffic without packet loss.Data rate is 4-5 Gbps, packet size is 1500-9600 bytes.I had already configured smb and irq affinity.I also tried to use...
View ArticleJudge whether the current process is running when SMP is turned on
I found that there is a function called task_running in the kernel, and its judgment logic is as followsstatic inline int task_current(struct rq *rq, struct task_struct *p){ return rq->curr ==...
View ArticleLinux kernel out-of-tree module, installation of uapi headers issue
I have an external out-of-tree linux kernel module, say foo. Therein, I have a directory include/uapi/ that should, I assume, contain Kbuild file defining inclusion rules and/or headers to export. The...
View ArticleRelation between Bootloader, Kernel, Device tree files and Rfs
I would like to understand relationship between these four. Changing on which one of them requires changing in other?In case my question is not clear; If i make changes on the u-boot configuration, in...
View ArticleGetting error of 'Module not found' on jupyter
I'm a Windows user. I have successfully imported malplotlib while I was working on on Google collaboratory a few days ago.But now,both jupyter and collab. are showing this same error when I try to...
View ArticleFinding root cause of frequent filesystem sync in Linux [closed]
I am seeing a lot (4/second) of ext4_sync_file_enter in /sys/kernel/debug/tracing/trace and jbd2/sda2-8 IO percent is high.How do I go about diagnosing the root cause?cat /etc/issue Ubuntu 20.04.1 LTS...
View ArticleLinux Kernel Module for displaying all usb devices [closed]
I need a module for displaying all usb devices. I had found only examples for intercept calls from newly inserted devices. But I need to show all usb devices. Could I just get this information from any...
View ArticleSound not working Focal Fossa Ubuntu 20.04
I have been using ubuntu 20.04 recently and have a HP pavillion laptop with B&O speakers. However i am not able to hear any sound. though, Bluetooth is working fine.I have tried many solutions such...
View ArticleHow to speed up Linux kernel compilation?
I have core i5 with 8gb RAM.I have VMware workstation 10.0.1 installed on my machine.I have fedora 20 Desktop Edition installed on VMware as guest OS.I am working on Linux kernel source code v 3.14.1....
View ArticleQEMU kernel for raspberry pi 3 with networking and virtio support
I used the QEMU(qemu-system-aarch64 -M raspi3) for emulating the Raspberry pi3 with the kernel from the working image. Everything was working but there was no networking.qemu-system-aarch64 \ -kernel...
View ArticleCompile a linux kernel for run a specific program at start
So I've come up with the idea of starting to create my own Linux build (only for fun) but I'm already stuck.I know how to compile the Linux kernel (Although I have never done it) but now I can tell the...
View ArticleKernel Restart (Ctrl+.) in spyder not working
I have recently updated my Anaconda and Spyder app! But in this new version of Spyder (version 4), when I restart the kernel (with short key and from console in above ribbon), the Restart kernel...
View ArticleFind manually loaded MZ files in kernel using windbg?
How can i search the kernel using windbg to find manually loaded modules? basically how can i search for something like MZ or "this program.." in the entire kernel in an efficient way without causing...
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Python 3 Kernel not showing in GCP
I am facing problem that in GCP(Google Cloud Platform) instance, the jupyter notebook is not showing anymore the kernel(Python 3)Anyone know the solution? I already tried this but didn't work
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