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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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[–] HelloRoot@lemy.lol 15 points 2 days ago* (last edited 2 days ago) (2 children)

I rarely put my linux to sleep because I had this experience in the past, but yesterday I've had my minisforum v3 laptop in sleep for 3 hours and it stayed fully charged at 100% battery. It made me think the battery percentage readout was broken, but no, it strarted draining after using it for a while.

No clue if it's something I did back then during install (arch linux btw) or whether it was like this out of the box, but it really surprised me. And I'm gonna try using it more in the future.

[–] RogueBanana@piefed.zip 9 points 2 days ago

Please preach us the forbidden knowledge you hold

[–] Hamartiogonic@sopuli.xyz 3 points 2 days ago (1 children)

In my experience, it’s probably a hardware/driver thing. Lenovo laptops are generally really good, but the sleep still drains the battery at the usual rate that forces you to keep an eye on it every day. However, Framework seems to have a pretty amazing battery life during sleep. My guess is, Framework has done something right, and the kernel is able to handle power states way better than any laptop I’ve ever owned.

It’s clearly not about the custom tweaks either. I’m running just plain Debian KDE, and I haven’t tinkered with the power settings at all.

[–] Sylence@lemmy.dbzer0.com 2 points 1 day ago (1 children)

That's interesting because my Framework 15 dies very quickly while in sleep mode running Fedora KDE spin.

[–] Hamartiogonic@sopuli.xyz 2 points 1 day ago* (last edited 1 day ago)

That's really odd, because I thought Fedora would have better drivers.

Apparently, the settings would be the next place to look for answers. My settings are really boring and conservative.
When laptop lid is closed: sleep
Nothing special there, so I really don't know what makes this hardware+software+settings combination unique. I have another computer I use for tinkering, and this one is specifically meant to be the boring one, hence Debian. Turns out, that somehow resulted in amazing stand by time, and I don't even know how.