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george-hawkins / wake-issue.md
Last active December 7, 2025 19:55
After installing Ubuntu 20.04 my machine frequently wakes from sleep for no obvious reason. This gist describes my attempts to resolve this.

Diagnosing spurious wakes

This gist documents my attempts to get to the bottom of spurious wakes after installing Ubuntu 20.04 LTS on my system.

Initially, I thought it might be another system on my network sending Wake-on-LAN (WoL) packets. Then I thought it might be a known XHCI spurious wake kernel issue. And lastly, I finally resolved things by actively disabling the ability of USB devices, e.g. the mouse, to wake the system.

Update: I later came up with a better way of disabling wake-on-mouse that's covered here.

Note: as one of these steps, I upgraded the system BIOS - while this didn't resolve this particular issue, it did resolve an annoying issue with the graphic state not being properly restored for certain applications after wake-up.

@smccutchen
smccutchen / ConvertUTF-8.py
Created January 4, 2017 04:59
Convert multiple files to UTF-8 encoding with Notepad++
# 2016-2017 Soverance Studios.
# Scott McCutchen
# This file will search all files and folders within a given directory, and use Notepad++ to convert their encoding to UTF-8 without Byte Order Marks
#
# This file must be run using the PythonScript plugin from within Notepad++, which is available through the Notepad++ Plugin Manager
#
# You must have Python 2.7 installed
#
# Additionally, this script can only exist and be run from within the Notepad++ user's working directory, the default of which is here: