Wake up, FreeBSD! Implementing Modern Standby with S0ix
AW1.120 | Day 1 | 15:35 - 15:50 | Speakers: Aymeric Wibo
Abstract
Modern laptops, such as the AMD Framework and newer Intel models, no longer support the traditional ACPI S3 sleep state. Instead, they rely on S0ix, a modern standby mechanism that enables low-power idle states. This is one of the only big features still missing for FreeBSD to be a first-class citizen on contemporary laptops, and this talk will explore the journey and current progress of supporting it. Attendees will learn about the nitty-gritty of the implementation including the relevant ACPI objects, tables, and DSMs, CPU and device power states, and future plans for device idleness determination to automatically put them to sleep.
Blog post tracking progress: https://obiw.ac/s0ix FreeBSD Project website: https://www.freebsd.org/ Working GitHub repo: https://github.com/obiwac/freebsd-s0ix
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