this post was submitted on 06 Oct 2026
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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
126 comments fedilink hide all child comments
 

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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[โ€“] stembolts@programming.dev 1 points 2 days ago* (last edited 2 days ago) (1 children)

SWAP avenger here. And they said SWAP partitions were old hat.. Pah!

I have an Acer Swift 3:2 running Manjaro with a swap partition encrypted with LUKS2. I recently got a new laptop so poor old Swifty been languishing in a messenger bag.

The important distinction here being that my lid is tied to hibernate, not sleep, because fuck sleep mode.. why do I want my laptop in "low power mode"? So I can charge it as soon as I open it? No thanks!

Three months pass. Crap can't seem to connect to my VNC over SSH, hmm, what to do.. I wonder if my Acer can connect?

Pull old Swifty out of the bag, open it up, enter decryption key, it's on in moments, 95% battery.

Skill issue? (I'm joking, or am I?) ๐Ÿธ

[โ€“] frongt@lemmy.zip 12 points 2 days ago* (last edited 2 days ago) (1 children)

Hibernate is suspend to disk, power off. There is almost zero power consumption. You'll lose more just to thermodynamics.

[โ€“] stembolts@programming.dev 3 points 2 days ago

Exactly, that's why I choose it on all of my mobile systems. It also survives power outages which is important in storm-prone geographies.