lvnilesh

Linux Kernel Error Troubleshooting Guide

Complete solution for PCIe, ACPI, and systemd-boot kernel parameter fixes

Generated: 2025-07-09 20:21:38

🎯 Problem Solved

This guide resolved persistent kernel errors including:

• PCIe bus correctable errors from NVIDIA GPUs
• ACPI BIOS AE_ALREADY_EXISTS errors
• Thunderbolt/eGPU stability issues

lvnilesh

{
  config,
  pkgs,
  options,
  ...
}: let
  hostname = "oatman-pc"; # to alllow per-machine config
in {
  networking.hostName = hostname;

lvnilesh

```
root@msi:~# sudo apt update
Hit:1 http://security.debian.org bookworm-security InRelease
Hit:2 http://ftp.us.debian.org/debian bookworm InRelease
Get:3 http://ftp.us.debian.org/debian bookworm-updates InRelease [55.4 kB]
Hit:4 http://download.proxmox.com/debian/ceph-reef bookworm InRelease
Get:5 http://download.proxmox.com/debian/pve bookworm InRelease [2,768 B]
Fetched 58.2 kB in 3s (22.0 kB/s)   
Reading package lists... Done
Building dependency tree... Done

lvnilesh

```
cloudgenius@asus:~$ lspci
00:00.0 Host bridge: Intel Corporation Device a700 (rev 01)
00:01.0 PCI bridge: Intel Corporation Raptor Lake PCI Express 5.0 Graphics Port (PEG010) (rev 01)
00:06.0 PCI bridge: Intel Corporation Raptor Lake PCIe 4.0 Graphics Port (rev 01)
00:0a.0 Signal processing controller: Intel Corporation Raptor Lake Crashlog and Telemetry (rev 01)
00:14.0 USB controller: Intel Corporation Raptor Lake USB 3.2 Gen 2x2 (20 Gb/s) XHCI Host Controller (rev 11)
00:14.2 RAM memory: Intel Corporation Raptor Lake-S PCH Shared SRAM (rev 11)
00:14.3 Network controller: Intel Corporation Raptor Lake-S PCH CNVi WiFi (rev 11)
00:15.0 Serial bus controller: Intel Corporation Raptor Lake Serial IO I2C Host Controller #0 (rev 11)

lvnilesh

# touch /etc/udev/rules.d/10-wakeup.rules

```
lsusb 
Bus 001 Device 021: ID 046d:c548 Logitech, Inc. Logi Bolt Receiver
```

046d:c548

```

lvnilesh

```
#!/bin/bash

# Get current brightness level
current_brightness=$(xrandr --verbose | grep -m 1 -i brightness | awk '{print $2}')

# Define step size for brightness change
step=0.1

# Adjust brightness based on argument

lvnilesh

#! /bin/bash
# Script for adjusting display brightness and gamma
# This script assumes that you have two monitors connected via DP-1 and DP-4
# run `xrandr --verbose` or just `xrandr` to find the detail about the monitors you have connected.

# Ensure input is a valid number and convert it to a decimal
if [[ "$1" =~ ^[0-9]+$ ]] && (( $1 >= 1 && $1 <= 10 )); then
  [ "$1" = 10 ] && percent="1" || percent="0.$1"
else
  echo "Usage: $0 <brightness level (1-10)> [night]"

lvnilesh

{
    "global": { "show_profile_name_in_menu_bar": true },
    "profiles": [
        {
            "complex_modifications": {
                "rules": [
                    {
                        "description": "CAPS_LOCK to HYPER (SHIFT+COMMAND+OPTION+CONTROL) or ESCAPE (If Alone)",
                        "manipulators": [
                            {

lvnilesh

#!/bin/bash

# Function to display usage information
usage() {
    echo "Usage: $0 /path/to/input.mp4 [ /path/to/output_directory ]"
    exit 1
}

# Check if at least one argument (input file) is provided
if [ $# -lt 1 ]; then

lvnilesh

{
    "global": {
        "ask_for_confirmation_before_quitting": true,
        "check_for_updates_on_startup": true,
        "show_in_menu_bar": true,
        "show_profile_name_in_menu_bar": false,
        "unsafe_ui": false
    },
    "profiles": [
        {