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Why does Linux have such a terrible sleep? (programming.dev)

submitted 2 days ago by onlinepersona@programming.dev to c/linux@programming.dev

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In 8 hours it uses 20% of the battery. When Windows or Mac are put to sleep, the damn things can sleep for a week! This is the case with Linux on multiple laptops.

Is there some kind of manipulation going by ring -1 that detects Linux is running? Is Linux not respecting some procedure and kissing a step?

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[–] dustyData@lemmy.world 10 points 2 days ago (1 children)

The reason is, as usual, that Microsoft lobbied hard to make their way the standard way of doing sleep modes. Then, when implementing it, they strong armed all the OEM to make hardware fit their nonstandard, slightly off center, way.

So, now windows kind of work with all hardware, but open source is fucked because to make the hardware actually work requires reverse engineering whatever custom crap windows does.

[–] The_Decryptor@aussie.zone 7 points 2 days ago

The sleep stuff is part of the ACPI standard, it's all documented.

It's up to the motherboard/SoC to support it properly, and Microsoft has an "entire system view" of how Windows works and can integrate it deeply. Compare that to Linux, the companies involved mostly care about servers, and the distros are assembled by disparate groups that don't have the hardware testing capability that MS or OEMs have.