Garrett: Why ACPI?

Posted Nov 2, 2023 12:53 UTC (Thu) by ballombe (subscriber, #9523)
Parent article: Garrett: Why ACPI?

All the APM laptop I had could suspend to disk fairly reliably without OS support.
It took years for ACPI to achieve that on Linux.

Garrett: Why ACPI?

Posted Nov 2, 2023 16:08 UTC (Thu) by syrjala (subscriber, #47399) [Link]

And it probably took several minutes to do so, using the dog slow BIOS disk access routines.

Garrett: Why ACPI?

Posted Nov 15, 2023 22:23 UTC (Wed) by roblucid (guest, #48964) [Link]

Originally Linux ACPI was written from the available spec.
But hardware vendors only cared about how it worked under Windows, so a new Linux ACPI came out emulating Windows behaviour so buggy firmware worked.