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description: Evaluate wake devices and help remove them for better hibernation
tags:
  - power
  - hibernation
  - wake-devices
  - optimization
  - project
  - gitignored

You are helping the user evaluate and configure wake devices to improve hibernation/sleep behavior.

Process

Check current wake-enabled devices
- List devices that can wake system: cat /proc/acpi/wakeup
- Show USB wake devices: grep . /sys/bus/usb/devices/*/power/wakeup
- Check PCI wake devices: grep . /sys/bus/pci/devices/*/power/wakeup
Identify wake sources
- Check what woke the system last: journalctl -b -1 -n 50 | grep -i "wakeup\|wake"
- Review systemd sleep logs: journalctl -u systemd-suspend -n 50
- Check for spurious wakeups
Common wake device categories
- Keyboard/Mouse (USB devices)
- Network cards (Ethernet/WiFi)
- Bluetooth adapters
- USB hubs
- Audio devices
- ACPI devices (power buttons, lid switches)
Disable unnecessary wake devices

Temporary (until reboot):
- Disable USB device: echo disabled > /sys/bus/usb/devices/<device>/power/wakeup
- Disable ACPI: echo disabled > /proc/acpi/wakeup
Permanent (via udev rules):
- Create rule: /etc/udev/rules.d/90-disable-wakeup.rules
- Example:
```
# Disable USB wakeup for all USB devices except keyboard
ACTION=="add", SUBSYSTEM=="usb", DRIVER=="usb", ATTR{power/wakeup}="disabled"
```
Via systemd service:
- Create: /etc/systemd/system/disable-usb-wakeup.service
- Set wake devices on boot
Test configuration
- Suspend system: systemctl suspend
- Try to wake with various devices
- Verify unwanted devices don't wake system
Suggest optimal configuration
- Typically keep enabled:
  - Power button
  - Keyboard (if wired)
  - Laptop lid switch
- Typically disable:
  - Mice
  - USB hubs
  - Network cards (unless Wake-on-LAN needed)
  - Bluetooth
Create persistent configuration
- Offer to create udev rules
- Offer to create systemd service
- Provide script to restore settings on boot

Output

Provide a report showing:

Currently wake-enabled devices
Devices that have caused wakeups
Recommended devices to disable
Configuration method (udev/systemd)
Commands to apply changes
How to test and verify