Kernel – IRZU INSTITUTE

RESEARCH

linux kernel – What do the fields in rpcdebug -c’s dmesg output mean?

January 30, 2023admin

I’m trying to track down a stall that may or may not be on the client host, but on the server side. Unfortunately this is all kernel RPC level, with…Read morelinux kernel – What do the fields in rpcdebug -c’s dmesg output mean?

RESEARCH

linux – How to update OpenWrt to kernel 5.10.165 if I have already manually updated the kernel to 5.10.162?

January 29, 2023admin

I use OpenWrt and I applied a patch about kernel update, 5.10.162 but now in the master, they updated to .165. But they were at .161, so now they did…Read morelinux – How to update OpenWrt to kernel 5.10.165 if I have already manually updated the kernel to 5.10.162?

RESEARCH

CentOS cloud instance revoke /tmp permission after recent patch update

January 26, 2023admin

Hi All, Have you ever experienced such issue in the recent times?Last weekend, we had scheduled patch update and done kernel update to its latest version, after that /tmp permission…Read moreCentOS cloud instance revoke /tmp permission after recent patch update

RESEARCH

The Linux(CentOS 7.9) kernel has prompted a bug. Is it harmful?

January 26, 2023admin

My runtime environment is CentOS 7.9(kernel is version 5.16.11) in the VMBox virtual machine, it is allocated 1G memory and 8 CPU cores. [root@dev236 ~]# uname -a Linux dev236 5.16.11-1.el7.elrepo.x86_64…Read moreThe Linux(CentOS 7.9) kernel has prompted a bug. Is it harmful?

LOW VOLTAGE IC RESEARCH

USN-5829-1: Linux kernel (Raspberry Pi) vulnerabilities | Ubuntu security notices

January 26, 2023admin

Details It was discovered that the NFSD implementation in the Linux kernel did notproperly handle some RPC messages, leading to a buffer overflow. A remoteattacker could use this to cause…Read moreUSN-5829-1: Linux kernel (Raspberry Pi) vulnerabilities | Ubuntu security notices

RESEARCH

Error booting Windows 10 system under Virtualbox

January 24, 2023admin

In preparation for moving to a new Macbook Pro, I am trying to find a home for my Intel dependent tasks. One such is the Win 10 system that I…Read moreError booting Windows 10 system under Virtualbox

DATA MANAGEMENT RESEARCH

data recovery – How to prevent ruining VirtualBox VMs from abrupt power off of the computer?

January 12, 2023admin

I suspended my laptop as usual, while my VirtualBox VM was running (but paused). On power on, I realized that something went wrong with the battery and all of the…Read moredata recovery – How to prevent ruining VirtualBox VMs from abrupt power off of the computer?

RESEARCH

linux – Leap 15.4 boot hangs on: fbo: switching to i915 from EFI VGA

January 9, 2023admin

HW: Asus mainboard Prime Z790-P iCore5 with integrated GPU, no additional graphic card OS: OpenSuse Leap 15.4 new installation and updated. Installing the OS without the linux parameter nomodeset in…Read morelinux – Leap 15.4 boot hangs on: fbo: switching to i915 from EFI VGA

RESEARCH

zfs – arch pacman insists on wrong kernel version

December 25, 2022admin

Output from uname -a Linux janus 5.15.85-1-lts #1 SMP Thu, 22 Dec 2022 06:22:00 +0000 x86_64 GNU/Linux When I build zfs-liunx I get: checking kernel source and build directories… done…Read morezfs – arch pacman insists on wrong kernel version

RESEARCH

[BUG] new node join to cluster, upgrading with 100+ apply-hvst-upgrade pods.

December 19, 2022admin

Describe the bug $ kubectl get nodes -o wide NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME hv-n0 Ready control-plane,etcd,master 45h v1.24.7+rke2r1 10.16.166.21 <none> Harvester v1.1.1 5.3.18-150300.59.101-default ;Read more[BUG] new node join to cluster, upgrading with 100+ apply-hvst-upgrade pods.

RESEARCH

python 3.x – Jetbrains DataSpell module can’t be find while using nb_conda_kernel

December 19, 2022admin

there is a little bug while I using dataspell with conda kernels here are my conda env info conda (base) env installed jupyter nb_conda_kernels conda (audio) env which i create…Read morepython 3.x – Jetbrains DataSpell module can’t be find while using nb_conda_kernel

RESEARCH

22.04 – Rebooting VirtualBox guest Ubuntu 22 randomly gets stuck

December 9, 2022admin

My ubuntu sometimes gets stuck while rebooting, it ends with: … secondary_startup_64_no_verify+0xc2/0xcb </TASK> clocksource: Checking clocksource tsc synchronization from CPU 2 to CPUs 0,3-4,6. hrtimer: interrupt took 43052618 ns INFO:…Read more22.04 – Rebooting VirtualBox guest Ubuntu 22 randomly gets stuck

ACOUSTICS & DSP RESEARCH

audio – alsa – arecord generating blank wav file

December 3, 2022admin

I’m trying to record an audio file via arecord on embeded Linux, but the file is blank. In Audacity, it looks like this: But I could play ordinary audio file…Read moreaudio – alsa – arecord generating blank wav file

ACOUSTICS & DSP RESEARCH

Fix deadlock when shutdown a frozen userspace

November 28, 2022admin

If the user space is frozen, we cannot wait for it to complete. This fixes: [ 84.943749] Freezing user space processes … (elapsed 0.111 seconds) done.[ 246.784446] INFO: task kexec-lite:5123…Read moreFix deadlock when shutdown a frozen userspace

RESEARCH

TUMBLEWEED Virtualbox 7.0.4 finally thru openSUSE legal

November 25, 2022admin

I am happy to report that VirtualBox 7.0.4 has been released to Tumbleweed users. If you use the extension pack, be sure to install it after the update and…Read moreTUMBLEWEED Virtualbox 7.0.4 finally thru openSUSE legal

JS, REACT, & NODE LOW VOLTAGE IC RESEARCH

Alpine Linux 3.17 Officially Released with Full Rust Support, OpenSSL 3.0 by Default

November 23, 2022admin

Natanael Copa announced today the release and general availability of Alpine Linux 3.17 as the latest stable release of this security-focused Linux distribution based on musl, BusyBox, and OpenRC. Still…Read moreAlpine Linux 3.17 Officially Released with Full Rust Support, OpenSSL 3.0 by Default

RESEARCH

Linux Compatible Archive (Page 3709)

November 17, 2022admin

A Firefox security update has been released for Ubuntu Linux 18.04 LTS and 20.04 LTS. A Linux kernel security update has been released for Ubuntu Linux 20.04 LTS and 22.04…Read moreLinux Compatible Archive (Page 3709)

ACOUSTICS & DSP RESEARCH

c++ – Does boost::asio support MPTCP?

November 6, 2022admin

According to www.multipath-tcp.org/ MPTCP is included in Linux Kernel >= 5.6 and I could successfully verify that it is available on my machine. I would like to extend my existing…Read morec++ – Does boost::asio support MPTCP?

ACOUSTICS & DSP RESEARCH

linux – Disable ALSA resampling from kernel space

November 5, 2022admin

ALSA doesn’t resample by default, in particular the kernel drivers don’t resample. So, there is no way to disable resampling in kernel space. ALSA does resampling by plugins (in user…Read morelinux – Disable ALSA resampling from kernel space

DATA MANAGEMENT RESEARCH

python – When using env.yml with conda whats the difference between dependencies and pip dependencies?

November 5, 2022admin

I am creating a .SH script for setting up automatically my dev environment in Azure ML, according to this: learn.microsoft.com/en-gb/azure/machine-learning/how-to-customize-compute-instance The script looks like this: #!/bin/bash set -e # pypi.org/project/azure-ai-ml/…Read morepython – When using env.yml with conda whats the difference between dependencies and pip dependencies?

RESEARCH

linux – How can I install Kernel 5.17 on CentOS 7?

October 27, 2022admin

On a CentOS 7.9 installation I have some troubles running newer CPUs, e.g Ryzen 5 5600G (with included graphics). I concluded that it is the Kernel because it boots with…Read morelinux – How can I install Kernel 5.17 on CentOS 7?

RESEARCH

linux kernel – Is it possible to filter or format the audit dmesg reports?

October 25, 2022admin

I like having a terminal open with dmesg so I can see the logs in real-time. However, the audit logs are quite long, and I was wondering if there was…Read morelinux kernel – Is it possible to filter or format the audit dmesg reports?

RESEARCH

apt – libavcodec: undefined symbol vaSyncBuffer

October 23, 2022admin

I just upgraded to Kubuntu 22.10, the update was successful completely minus FFmpeg. Things I’ve tried: Install an older FFmpeg from Ubuntu sources Install master FFmpeg from source Install FFmpeg…Read moreapt – libavcodec: undefined symbol vaSyncBuffer

RESEARCH

Race condition ? Issue with community/rtirq and probably core/systemd (Arch Linux General Discussion)

October 17, 2022admin

Hi, the machine was up for 19 days, hence in the meantime systemd was updated. Today I build 5.15.73.52.realtime1-1-rt-lts from AUR as provided by David, IOW without any changes done…Read moreRace condition ? Issue with community/rtirq and probably core/systemd (Arch Linux General Discussion)

RESEARCH

python – JupyterLab launches from base installation even when in conda environment

October 15, 2022admin

How can I have jupyter lab launch JupyterLab from the current conda environment. Is such a thing possible? I wanted to start experimenting with customizing Jupyter(Lab), and so decided to…Read morepython – JupyterLab launches from base installation even when in conda environment

RESEARCH

Install Stap-report On A CentOS And Fedora

October 5, 2022admin

systemtap-devel system – development headers, tools systemtap-runtime instrumentation system for Linux (runtime component) This package contains staprun program that can be used to run compiled SystemTap probes. SystemTap provides infrastructure…Read moreInstall Stap-report On A CentOS And Fedora

RESEARCH

linux – Install Raspberry Pi Imager problem with bbswitch-dkms on Pop!_OS

September 17, 2022admin

Following www.raspberrypi.com/software/ to install Raspberry Pi Imager has these errors: seems related to bbswitch-dkms compiling issues: $ sudo apt install rpi-imager Reading package lists… Done Building dependency tree… Done Reading…Read morelinux – Install Raspberry Pi Imager problem with bbswitch-dkms on Pop!_OS

RESEARCH

embedded linux – How to parse kernel coredump for dmesg logs?

September 3, 2022admin

I want to read dmesg logs that are present in the kernel core file. The usual way is to make use of a utility like crash to open the core…Read moreembedded linux – How to parse kernel coredump for dmesg logs?

ACOUSTICS & DSP LOW VOLTAGE IC RESEARCH

pulseaudio – No sound on Monitor HDMI output after upgrading to `ubuntu 22.04` from `ubuntu 20.04`, while audio devices are detecting using `pipewire` session

August 22, 2022admin

$ aplay -L null Discard all samples (playback) or generate zero samples (capture) samplerate Rate Converter Plugin Using Samplerate Library speexrate Rate Converter Plugin Using Speex Resampler jack JACK Audio…Read morepulseaudio – No sound on Monitor HDMI output after upgrading to `ubuntu 22.04` from `ubuntu 20.04`, while audio devices are detecting using `pipewire` session

DATA MANAGEMENT RESEARCH

Arch Linux-Based SystemRescue 9.04 Distro Brings New Packages, Improvements

August 8, 2022admin

SystemRescue (formerly known as SystemRescueCd) Arch Linux-based system rescue toolkit has been updated today to version 9.04, a release that brings new packages, improvements, and bug fixes. Still powered by…Read moreArch Linux-Based SystemRescue 9.04 Distro Brings New Packages, Improvements

RESEARCH

LKML: Bartosz Golaszewski: [GIT PULL] gpio: fixes for v5.19-rc8

July 24, 2022admin

Linus, Please pull the following set of fixes for the upcoming rc. Thanks!Bartosz Golaszewski The following changes since commit ff6992735ade75aae3e35d16b17da1008d753d28: Linux 5.19-rc7 (2022-07-17 13:30:22 -0700) are available in the Git…Read moreLKML: Bartosz Golaszewski: [GIT PULL] gpio: fixes for v5.19-rc8

RESEARCH

[Solved]-Compiling RTX Kernel files using GCC Compiler in Eclipse IDE-eclipse

July 19, 2022admin

do_software_interrupt, do_irq and do_fiq are interrupt service routines for SWI, IRQ and FIQ respectively. These functions are implemented in c using gcc’s attribute feature. Here is the actual c code…Read more[Solved]-Compiling RTX Kernel files using GCC Compiler in Eclipse IDE-eclipse

ACOUSTICS & DSP DATA MANAGEMENT RESEARCH

alsa-utils 1.2.7 fails to build if rawmidi support is disabled in alsa-lib – GitHub issues

June 20, 2022admin

alsa-utils 1.2.7 fails to build if rawmidi support is disabled in alsa-lib – GitHub issues – opened From: GitHub issues – opened <github@alsa-project.org> To: alsa-devel@alsa-project.org Subject: alsa-utils 1.2.7 fails to…Read morealsa-utils 1.2.7 fails to build if rawmidi support is disabled in alsa-lib – GitHub issues

RESEARCH VIRTUALIZATION

SlackBuilds.org – virtualbox-kernel

June 8, 2022admin

15.0 > System > virtualbox-kernel (6.1.32) This is the supplementary kernel driver for the VirtualBoxvirtualisation environment.To build the package for a kernel different from the running one,start the script setting…Read moreSlackBuilds.org – virtualbox-kernel

RESEARCH

windows subsystem for linux – Serial port to COM port – no output found

June 7, 2022admin

In WSL 1, COM4 should be automatically mapped to /dev/ttyS4 as far as I know. Since WSL 1 is just an API wrapper on top of the Windows kernel (like…Read morewindows subsystem for linux – Serial port to COM port – no output found

RESEARCH

Boot Chromium OS on QEMU

May 27, 2022admin

Hi, all I have successfully booted the Chromium OS on QEMU by running sudo qemu-system-x86_64 -kernel boot_images/vmlinuz -enable-kvm -m 2G -smp 4 -hda chromiumos_qemu_image.bin -vga virtio -append “init=/sbin/init root=/dev/sda3 earlyprintk=serial,keep…Read moreBoot Chromium OS on QEMU

RESEARCH

boot – Resize EFI partition

May 26, 2022admin

I wanted to try to install Arch Linux on my laptop, i have ubuntu 22.04 and windows 10 installed on my machine. But i can’t install Arch Linux because the…Read moreboot – Resize EFI partition

RESEARCH

grub2 – Can’t access grub menu no matter what I try | Ubuntu 22.04 | EFI boot

May 22, 2022admin

I wanna access the grub menu so I can play around with kernel parameters and have them be temporary per boot. My system is EFI so I tried holding Esc…Read moregrub2 – Can’t access grub menu no matter what I try | Ubuntu 22.04 | EFI boot

RESEARCH

CentOS alert CESA-2022:4642 (kernel) [LWN.net]

May 20, 2022admin

From: Johnny Hughes <johnny@centos.org> To: centos-announce@centos.org Subject: [CentOS-announce] CESA-2022:4642 Important CentOS 7 kernel Security Update Date: Thu, 19 May 2022 15:09:15 +0000 Message-ID: <20220519150915.GA7598@bstore1.rdu2.centos.org> CentOS…Read moreCentOS alert CESA-2022:4642 (kernel) [LWN.net]

RESEARCH

LKML: kernel test robot: [tip:x86/asm] BUILD SUCCESS e2ef115813c34ea5380ac5b4879f515070150210

May 15, 2022admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/asmbranch HEAD: e2ef115813c34ea5380ac5b4879f515070150210 objtool: Fix STACK_FRAME_NON_STANDARD reloc type elapsed time: 12061m configs tested: 252configs skipped: 6 The following configs have been built successfully.More configs may be tested in…Read moreLKML: kernel test robot: [tip:x86/asm] BUILD SUCCESS e2ef115813c34ea5380ac5b4879f515070150210

3D PRINTING RESEARCH

[Solved] Why printk doesn’t print message in kernel log(dmesg)

May 9, 2022admin

The kernel log ring buffer behaves as if it were line-buffered, as it can be seen in the implementation: in vprintk_emit you can see how it marks a buffer to…Read more[Solved] Why printk doesn’t print message in kernel log(dmesg)

RESEARCH

Mount ext2 as totally readonly system from busybox

May 8, 2022admin

I’m using ext2 FS on my embedded device (busybox) with readonly mode. But, when I check FS if its true readonly system. I found strange things: When I type cat…Read moreMount ext2 as totally readonly system from busybox

DATA MANAGEMENT RESEARCH

fix sysupgrade with ubi and kernel sharing partition

April 30, 2022admin

Commit ecbcc0b59551 bricks devices where a ubi rootfs and a raw kernel shares the same mtd partition. This is the case for the ZyXEL NR7101 for example. The OEM bootloader…Read morefix sysupgrade with ubi and kernel sharing partition

RESEARCH

How to disable or remove ethernet in openwrt?

April 29, 2022admin

I’m using vocore2, and present the boot time of my vocore2 running OpenWrt 19.07.3 is 30seconds, I want to decrease it by 10 seconds, while going through dmesg log I…Read moreHow to disable or remove ethernet in openwrt?

3D PRINTING RESEARCH

Question about Kernel

April 26, 2022admin

I just want to modify chromimum_kernel_5_10, completed step is shown in below – Added some patches in chromiumos/src/third_party/chromiumos-overlay/sys-kernel/chromeos-kernel-5_10/chromeos-kernel-5_10-9999.ebuild The questions are : 1. In above path, there is an another ebuild…Read moreQuestion about Kernel

RESEARCH

Pop os / rx 6600 advice an help needed – GPU

April 13, 2022admin

hey guys im looking to put a amd gpu into my 2nd pop os build but two things i want to know for sure 1. which pop version has the…Read morePop os / rx 6600 advice an help needed – GPU

RESEARCH

Ubuntu installation on a RISC-V virtual machine using a server install image and QEMU – RISC-V-docs

April 9, 2022admin

Starting with Ubuntu 22.04 a server install image is made available. This topic describes how to use the image for an installation on a virtual machine. A general overview of…Read moreUbuntu installation on a RISC-V virtual machine using a server install image and QEMU – RISC-V-docs

RESEARCH

Arch Linux’s First ISO Snapshot Powered by Linux Kernel 5.17 Is Now Available for Download

April 2, 2022admin

Arch Linux 2022.04.01 has been released today as the distribution’s first ISO snapshot to be powered by the latest and greatest Linux 5.17 kernel series. Arch Linux 2022.04.01 is now…Read moreArch Linux’s First ISO Snapshot Powered by Linux Kernel 5.17 Is Now Available for Download

RESEARCH

[PATCH 0/4] Add channel type support to pwm-cros-ec

March 22, 2022admin

Hi, The ChromiumOS EC PWM host command protocol supports specifying therequested PWM by type rather than channel. [1] This series adds support for specifying PWM by type rather than channelnumber…Read more[PATCH 0/4] Add channel type support to pwm-cros-ec

RESEARCH

prevent integer overflow in rndis_set_response()

March 22, 2022admin

From: Dan Carpenter <dan.carpenter@oracle.com> commit 65f3324f4b6fed78b8761c3b74615ecf0ffa81fa upstream. If “BufOffset” is very large the “BufOffset + 8” operation can have aninteger overflow. Cc: stable@kernel.orgFixes: 38ea1eac7d88 (“usb: gadget: rndis: check size of…Read moreprevent integer overflow in rndis_set_response()

RESEARCH

pulseaudio – No sound/playback when JACK bridge is on

March 20, 2022admin

i want to use JACK(Cadence) to get my system sound output into PROCESSING(the JAVA language) to process it there with MINIM. But i can’t even setup JACK. When I start…Read morepulseaudio – No sound/playback when JACK bridge is on

RESEARCH

Bug #1964853 “various generic and specific x rule conflicts when…” : Bugs : AppArmor

March 15, 2022admin

We have the following relevant rules in our apparmor profile when you install the docker snap with –devmode (and some k8s related snaps too like microk8s): “`change_profile unsafe /** ->…Read moreBug #1964853 “various generic and specific x rule conflicts when…” : Bugs : AppArmor

RESEARCH

Boot problems – Jetson Nano

March 12, 2022admin

For the display issue, I think you can compare the bootloader log on nano A when the NG happened and after reboot. According to the dmesg, the “slow” you saw…Read moreBoot problems – Jetson Nano

ACOUSTICS & DSP RESEARCH

linux mint – PulseAudio Audio Devices Disappear After Reboot, Or Maybe Not

March 4, 2022admin

Half the time after a reboot the USB Behringer U-Control UCA202 does not show as an input or output device in the PulseAudio Volume Control. The system is running Linux…Read morelinux mint – PulseAudio Audio Devices Disappear After Reboot, Or Maybe Not

RESEARCH

OpenWrt 19.07.9 service release

March 1, 2022admin

Hi, The OpenWrt community is proud to announce the newest service release of OpenWrt 19.07. It fixes security issues, improves device support, and brings a few bug fixes. We recently…Read moreOpenWrt 19.07.9 service release

RESEARCH

Re: [PATCH v2 1/5] ath10k: QCA4019 hw1.0: update board-2.bin (Linux Wireless)

February 27, 2022admin

On Saturday, 26 February 2022 17:39:23 CET Christian Lamparter wrote: > The current situation is: OpenWrt has those board files (as ~40 separate > files) all lined up in: >…Read moreRe: [PATCH v2 1/5] ath10k: QCA4019 hw1.0: update board-2.bin (Linux Wireless)

DATA MANAGEMENT RESEARCH

Pull request for efi-2022-04-rc3 – Heinrich Schuchardt

February 26, 2022admin

Pull request for efi-2022-04-rc3 – Heinrich Schuchardt From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> To: Tom Rini <trini@konsulko.com> Cc: U-Boot Mailing List <u-boot@lists.denx.de>, AKASHI Takahiro <takahiro.akashi@linaro.org>, Ilias Apalodimas <ilias.apalodimas@linaro.org>, Masahisa Kojima <masahisa.kojima@linaro.org>, Masami…Read morePull request for efi-2022-04-rc3 – Heinrich Schuchardt

RESEARCH

Fix separate output directory build of kselftests

February 24, 2022admin

Build of kselftests fail if kernel’s top most Makefile is used forrunning or building kselftests with separate output directory. Theabsolute path is needed to reference other files during this kind…Read moreFix separate output directory build of kselftests

LOW VOLTAGE IC RESEARCH

LKML: kernel test robot: [tip:x86/sgx] BUILD SUCCESS 6170abb21e2380477080b25145da9747ad467d3d

February 20, 2022admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/sgxbranch HEAD: 6170abb21e2380477080b25145da9747ad467d3d selftests/sgx: Treat CC as one argument elapsed time: 3507m configs tested: 135configs skipped: 3 The following configs have been built successfully.More configs may be tested…Read moreLKML: kernel test robot: [tip:x86/sgx] BUILD SUCCESS 6170abb21e2380477080b25145da9747ad467d3d

DATA MANAGEMENT RESEARCH

How to include apt in ubuntu 18.04 image – device

February 10, 2022admin

How can i add the apt to my Ubuntu 18.04 image below is my json file: { “type”: “model”, “authority-id”: “9J3P2BX7g8sU6A1xWGDQhC”, “brand-id”: “9J3P2BX7g8sU6A1xWGDQhC”, “series”: “16”, “model”: “ubuntu-core-18-pi-arm64”, “display-name”:”Ubuntu Core 18″,…Read moreHow to include apt in ubuntu 18.04 image – device

3D PRINTING RESEARCH

Bash script using dmesg to see a message on terminal when a mouse is plugged and unplugged

February 5, 2022admin

I am trying to get my hands dirty with bash scripting and dmesg. I want to write a script which does the following : When the mouse is plugged in,…Read moreBash script using dmesg to see a message on terminal when a mouse is plugged and unplugged

RESEARCH

packages with conffile prompts are no longer skipped, leading to upgrade failures

January 21, 2022admin

Package: unattended-upgrades Version: 2.8 Severity: serious Hi All, This bug has showing up on this end in unattended-upgrades 2.8 on my Raspberry Pi Model 3B+ running Raspberry Pi OS 11.2…Read morepackages with conffile prompts are no longer skipped, leading to upgrade failures

ACOUSTICS & DSP RESEARCH

Add UCM for PinePhone — ALSA Devel

January 18, 2022admin

alsa-project/alsa-ucm-conf pull request #134 was opened from tomfitzhenry: Fixes github.com/alsa-project/alsa-ucm-conf/issues/124. The DTS configuration has had a unique audio card name since 5.14: git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi?h=v5.14#n436d This UCM config is copied from…Read moreAdd UCM for PinePhone — ALSA Devel

RESEARCH

How to create a Linux ISO image from scratch (Graphic tutorial)

January 13, 2022admin

1、 Foreword For a very simplified Linux system, it only needs three parts: a Linux kernel, a root file system and boot. The following are the systems and software used…Read moreHow to create a Linux ISO image from scratch (Graphic tutorial)

RESEARCH

Can’t install CentOS VirtualBox guest additions

January 10, 2022admin

I’m using Manjaro Linux, and I have CentOS 7 installed in VirtualBox. When I try to install VirtualBox Guest Additions, I get the following error. Verifying archive integrity… All good.…Read moreCan’t install CentOS VirtualBox guest additions

RESEARCH

lxc – Snap vs system container

January 3, 2022admin

I have seen this: what’s the main difference between Docker and Snap? I don’t quite see the difference between snap and system containers. VM has a separate Linux kernel and…Read morelxc – Snap vs system container

LOW VOLTAGE IC RESEARCH

LKML: kernel test robot: [tip:x86/build] BUILD SUCCESS ff936357b49681cf823ca82a565dbdd0fd439819

December 31, 2021admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/buildbranch HEAD: ff936357b49681cf823ca82a565dbdd0fd439819 x86/defconfig: Enable CONFIG_LOCALVERSION_AUTO=y in the defconfig elapsed time: 721m configs tested: 180configs skipped: 62 The following configs have been built successfully.More configs may be tested…Read moreLKML: kernel test robot: [tip:x86/build] BUILD SUCCESS ff936357b49681cf823ca82a565dbdd0fd439819

RESEARCH

Installing additional software packages with pacman

December 31, 2021admin

To keep it lightweight and fast, SystemRescue just comes with software that is directly related to the goals of diagnosing and fixing system problems. But additional programs can easily be…Read moreInstalling additional software packages with pacman

RESEARCH

LKML: kernel test robot: [tip:x86/cpu] BUILD SUCCESS 244122b4d2e5221e6abd6e21d6a58170104db781

December 30, 2021admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/cpubranch HEAD: 244122b4d2e5221e6abd6e21d6a58170104db781 x86/lib: Add fast-short-rep-movs check to copy_user_enhanced_fast_string() elapsed time: 722m configs tested: 224configs skipped: 60 The following configs have been built successfully.More configs may be tested…Read moreLKML: kernel test robot: [tip:x86/cpu] BUILD SUCCESS 244122b4d2e5221e6abd6e21d6a58170104db781

LINUX & ANDROID RESEARCH

Galaxy S6 edge LineageOS 14.1 port

December 29, 2021admin

Device: Galaxy S6 edge OS version (KitKat/Lollipop/Marshmallow/Nougat): Nougat Built from repo (date and build command) or downloaded from website (links): github Issue: Porting the kernel to LineageOS14.1, patched injection, HID,…Read moreGalaxy S6 edge LineageOS 14.1 port

DATA MANAGEMENT LINUX & ANDROID RESEARCH

Move EFI range reservation after cmdline parsing

December 28, 2021admin

From: Mike Rapoport <rppt@kernel.org> commit 2f5b3514c33fecad4003ce0f22ca9691492d310b upstream. The memory reservation in arch/x86/platform/efi/efi.c depends on atleast two command line parameters. Put it back later in the boot processand move efi_memblock_x86_reserve_range() out…Read moreMove EFI range reservation after cmdline parsing

LINUX & ANDROID RESEARCH

Index of /pub/Linux/CentOS-vault/7.4.1708/rt/Source/SPackages

December 27, 2021admin

Name Last modified Size Description Parent Directory – kernel-rt-3.10.0-514.2.2.rt56.424.el7.src.rpm 2017-02-11 06:09 80M kernel-rt-3.10.0-514.6.1.rt56.429.el7.src.rpm 2017-02-11 06:09 80M kernel-rt-3.10.0-693.2.1.rt56.620.el7.src.rpm 2017-09-14 09:21 83M kernel-rt-3.10.0-693.2.2.rt56.623.el7.src.rpm 2017-09-14 09:21 83M …Read moreIndex of /pub/Linux/CentOS-vault/7.4.1708/rt/Source/SPackages

LINUX & ANDROID RESEARCH

Manjaro support with Arch packages and other kernels – Non-technical Questions

December 26, 2021admin

I am new to Linux and Manjaro. I switched from Ubuntu to Manjaro and tried every famous arch distro like Endeavouros, Garuda, Arch GUI, etc. But finally I only want…Read moreManjaro support with Arch packages and other kernels – Non-technical Questions

LINUX & ANDROID RESEARCH

Manjaro kernel + AMD kernel – Kernel

December 25, 2021admin

Found in AUR : linux-amd and linux-amd-headers.Since I have 5950X, I am very interested about the AMD Zen3 optimizations, obviously.However in the past trying out custom kernels with manjaro comes…Read moreManjaro kernel + AMD kernel – Kernel

LINUX & ANDROID

LKML: kernel test robot: [tip:x86/build] BUILD SUCCESS 9c42a8706f358ef6699f299916ad31acf2767c45

December 23, 2021admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/buildbranch HEAD: 9c42a8706f358ef6699f299916ad31acf2767c45 x86/boot/compressed: Move CLANG_FLAGS to beginning of KBUILD_CFLAGS elapsed time: 724m configs tested: 162configs skipped: 85 The following configs have been built successfully.More configs may be…Read moreLKML: kernel test robot: [tip:x86/build] BUILD SUCCESS 9c42a8706f358ef6699f299916ad31acf2767c45

LINUX & ANDROID

How can I increase the size of the VirtualBox screen?

December 23, 2021admin

Your screen indicates the need to install Virtual Box Guest Extensions in the Ubuntu Machine. This should augment video and allow the Ubuntu screen to fill the VBOX screen. Here…Read moreHow can I increase the size of the VirtualBox screen?

RESEARCH

System cannot find EventGroupsDemo.c in Demo full build – Kernel

December 23, 2021admin

It is the first time I tried to build FreeRTOS demo in FreedomStudio. I downloaded FreeRTOSv202111.00 and imported RISC-V-Qemu-sifive_e-Eclipse-GCC project to FreedomStudio. I found it failed in system cannot find…Read moreSystem cannot find EventGroupsDemo.c in Demo full build – Kernel

LOW VOLTAGE IC RESEARCH

respect memory map when ballooning up

December 21, 2021admin

Today Mini-OS won’t look at the memory map when ballooning up. This can result in problems for PVH domains with more than 4 GB of RAM, as ballooning will happily…Read morerespect memory map when ballooning up

LINUX & ANDROID

Chromium os screenshots gqoet

December 19, 2021admin

Screenshots of Cr OS Linux. Click to zoom the screenshot of Cr OS Linux:. Cr OS Linux is not related to Google. The service is powered by SUSE Studio.SUSE Studio.…Read moreChromium os screenshots gqoet

ACOUSTICS & DSP

MOTU 828es + M1 Pro Macbook Pro

December 19, 2021admin

Anyone have this set up? I got my Macbook Pro about a month ago. No issues with any device except my MOTU 828es, my primary audio interface. When using Thunderbolt,…Read moreMOTU 828es + M1 Pro Macbook Pro

LINUX & ANDROID LOW VOLTAGE IC

LKML: kernel test robot: [tip:x86/urgent] BUILD SUCCESS 2f5b3514c33fecad4003ce0f22ca9691492d310b

December 16, 2021admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/urgentbranch HEAD: 2f5b3514c33fecad4003ce0f22ca9691492d310b x86/boot: Move EFI range reservation after cmdline parsing elapsed time: 720m configs tested: 174configs skipped: 67 The following configs have been built successfully.More configs may…Read moreLKML: kernel test robot: [tip:x86/urgent] BUILD SUCCESS 2f5b3514c33fecad4003ce0f22ca9691492d310b

ACOUSTICS & DSP LINUX & ANDROID

c – ALSA Kernel API is different from the asoundlib API?

December 14, 2021admin

I was reading about how to play audio from the linux kernel when I came across the ALSA (advanced linux sound architecture) and its api here in these kernel docs:…Read morec – ALSA Kernel API is different from the asoundlib API?

ACOUSTICS & DSP LINUX & ANDROID

the microphone can’t be detected on a co…” : Bugs : linux-oem-5.14 package : Ubuntu

December 13, 2021admin

[Impact]We plug a microphone in the audio jack, but the driver can’tdetect the microphone and we try to record sound via this mic,can’t record any sound. [Fix]Backport one patch from…Read morethe microphone can’t be detected on a co…” : Bugs : linux-oem-5.14 package : Ubuntu

LINUX & ANDROID LOW VOLTAGE IC MQTT & IOT AUTOMATION

When will Manjaro moved to a new Kernel? : ManjaroLinux

December 13, 2021admin

Manjaro is a GNU/Linux distribution based on Arch. A rolling release distro featuring a user-friendly installer, tested updates and a community of friendly users for support. Official releases include Xfce,…Read moreWhen will Manjaro moved to a new Kernel? : ManjaroLinux

ACOUSTICS & DSP DATA MANAGEMENT

WaveRT with Studio One | VI-CONTROL

December 8, 2021admin

I have been using ASIO audio drivers for as long as they have been available. I was looking at a Presonus article for optimizing Win10 and they mentioned that WaveRT…Read moreWaveRT with Studio One | VI-CONTROL

ACOUSTICS & DSP FFT & WAVELETS

fft – Frequency Interpolation of DFT to create Zero-Padded IFFT

December 4, 2021admin

As a response to this question I have proposed interpolating new samples in a DFT (meaning the frequency samples of an existing DFT result) sufficient to be the new samples…Read morefft – Frequency Interpolation of DFT to create Zero-Padded IFFT

ACOUSTICS & DSP DATA MANAGEMENT LINUX & ANDROID LOW VOLTAGE IC

[PATCH v2 0/4] ASoC: mediatek: Update MT8195 machine driver

November 29, 2021admin

[PATCH v2 0/4] ASoC: mediatek: Update MT8195 machine driver – Trevor Wu From: Trevor Wu <trevor.wu@mediatek.com> To: <broonie@kernel.org>, <tiwai@suse.com>, <robh+dt@kernel.org>, <matthias.bgg@gmail.com> Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, linux-mediatek@lists.infradead.org, trevor.wu@mediatek.com, yc.hung@mediatek.com, daniel.baluta@nxp.com,…Read more[PATCH v2 0/4] ASoC: mediatek: Update MT8195 machine driver

LINUX & ANDROID

Manjaro Linux Retail WoW Crashes in loop – Technical Support

November 29, 2021admin

So a few days ago i was having crashes like every hour or so. And i thought it was gone by upgrading the wine version i was using. But now…Read moreManjaro Linux Retail WoW Crashes in loop – Technical Support

LINUX & ANDROID

Manjaro Linux Retail WoW Crashes in loop – #3 by Ankhamon-ragnaros – Technical Support

November 28, 2021admin

So a few days ago i was having crashes like every hour or so. And i thought it was gone by upgrading the wine version i was using. But now…Read moreManjaro Linux Retail WoW Crashes in loop – #3 by Ankhamon-ragnaros – Technical Support

3D PRINTING DATA MANAGEMENT LINUX & ANDROID LOW VOLTAGE IC

Pull request for efi-2022-01-rc3 – Heinrich Schuchardt

November 20, 2021admin

Pull request for efi-2022-01-rc3 – Heinrich Schuchardt From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> To: Tom Rini <trini@konsulko.com> Cc: U-Boot Mailing List <u-boot@lists.denx.de>, Alexander Graf <agraf@csgraf.de>, Ilias Apalodimas <ilias.apalodimas@linaro.org>, Masahisa Kojima <masahisa.kojima@linaro.org>, Masami…Read morePull request for efi-2022-01-rc3 – Heinrich Schuchardt

ACOUSTICS & DSP DATA MANAGEMENT LINUX & ANDROID

Warning due to “ALSA: hda: intel: More comprehensive PM runtime setup for controller driver”

November 20, 2021admin

Warning due to “ALSA: hda: intel: More comprehensive PM runtime setup for controller driver” – Heiner Kallweit From: Heiner Kallweit <hkallweit1@gmail.com> To: Takashi Iwai <tiwai@suse.de> Cc: alsa-devel@alsa-project.org, Linux PM <linux-pm@vger.kernel.org>…Read moreWarning due to “ALSA: hda: intel: More comprehensive PM runtime setup for controller driver”

LINUX & ANDROID LOW VOLTAGE IC

Manjaro ARM on an Ampere Altra Server – #2 by Strit – General ARM Discussion

November 19, 2021admin

I used the Plasma RPI4 image, made with manjaro-arm-installer and booted it to finished the installation. I then built the kernel with RHEL8 that came with it to save time,…Read moreManjaro ARM on an Ampere Altra Server – #2 by Strit – General ARM Discussion

LINUX & ANDROID LOW VOLTAGE IC

LKML: kernel test robot: [tip:x86/sev] BUILD SUCCESS 75cc9a84c9eb36e436e3fcee5158fe31d1dfd78f

November 17, 2021admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/sevbranch HEAD: 75cc9a84c9eb36e436e3fcee5158fe31d1dfd78f x86/sev: Remove do_early_exception() forward declarations elapsed time: 731m configs tested: 142configs skipped: 69 The following configs have been built successfully.More configs may be tested in…Read moreLKML: kernel test robot: [tip:x86/sev] BUILD SUCCESS 75cc9a84c9eb36e436e3fcee5158fe31d1dfd78f

LINUX & ANDROID MQTT & IOT AUTOMATION

HTGWA: Create an NFS share in Linux on a Raspberry Pi

November 12, 2021admin

This is a simple guide, part of a series I’ll call ‘How-To Guide Without Ads’. In it, I’m going to document how I create an NFS share in Linux on…Read moreHTGWA: Create an NFS share in Linux on a Raspberry Pi

ACOUSTICS & DSP LINUX & ANDROID

Sporadic XRUNS / Linux – Page 4 – Bitwig Forum

November 12, 2021admin

I think I’m having this issue too, but don’t quite have the technical knowledge to know for sure. Any help would be appreciated. I put together a new system, dual…Read moreSporadic XRUNS / Linux – Page 4 – Bitwig Forum

ACOUSTICS & DSP FFT & WAVELETS

Upsampling with FIR vs. FFT – DSP and Plug-in Development Forum

November 4, 2021admin

For 65 taps kernel you probably can’t get anything out of FFT convolution no matter what, it’s just too short. edit: Well.. you could TRY with FFT block size of…Read moreUpsampling with FIR vs. FFT – DSP and Plug-in Development Forum

LINUX & ANDROID LOW VOLTAGE IC VIRTUALIZATION

Arm EFI boot issue for Dom0 module listed inside subnode of chosen

November 3, 2021admin

Hi all, We recently discovered that there is a way to list Dom0 modules that is not supported by the EFI boot, It’s happened browsing some Wiki pages like this…Read moreArm EFI boot issue for Dom0 module listed inside subnode of chosen

LINUX & ANDROID LOW VOLTAGE IC

LKML: kernel test robot: [tip:x86/fpu] BUILD SUCCESS d7a9590f608dbedd917eb0857a074accdf0d3919

October 30, 2021admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/fpubranch HEAD: d7a9590f608dbedd917eb0857a074accdf0d3919 Documentation/x86: Add documentation for using dynamic XSTATE features elapsed time: 2763m configs tested: 115configs skipped: 3 The following configs have been built successfully.More configs may…Read moreLKML: kernel test robot: [tip:x86/fpu] BUILD SUCCESS d7a9590f608dbedd917eb0857a074accdf0d3919

LINUX & ANDROID

Bug #1948812 “Bad busybox modinfo output on exactly 3 modules” : Bugs : Ubuntu

October 26, 2021admin

Trying on Ubuntu 20.04.3 with linux-modules-5.4.0-88-generic and busybox for a in $(find /lib/modules/5.4.0-88-generic/ -name ‘*.ko’) do [ $(busybox modinfo -F name $a|wc -w) = 1 ] || echo $a done This code should…Read moreBug #1948812 “Bad busybox modinfo output on exactly 3 modules” : Bugs : Ubuntu

LINUX & ANDROID LOW VOLTAGE IC

LKML: kernel test robot: [tip:x86/fpu] BUILD SUCCESS 079ec41b22b952cdf3126527d735e373c9125f6d

October 21, 2021admin

tree/branch: git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/fpubranch HEAD: 079ec41b22b952cdf3126527d735e373c9125f6d x86/fpu: Provide a proper function for ex_handler_fprestore() elapsed time: 1027m configs tested: 111configs skipped: 73 The following configs have been built successfully.More configs may be…Read moreLKML: kernel test robot: [tip:x86/fpu] BUILD SUCCESS 079ec41b22b952cdf3126527d735e373c9125f6d