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Why does my machine sometimes instantly come on from sleep? (lemmy.world)

submitted 6 months ago by zeppo@lemmy.world to c/linux@programming.dev

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About 50% of the time, if I choose sleep, it turns back on as soon as it shuts down. This can happen a couple times in a row. Other times, it sleeps normally and only comes back on with keyboard input. I’ve looked at running processes and there doesn’t seem to be anything I dual happening at the times it starts back up. Any ideas?

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[–] ptz@dubvee.org 2 points 6 months ago (1 children)

Dunno, but I see the same thing with my X1 carbon. Sometimes it sleeps properly, sometimes it seems like it's a "light sleep" or will wake up and go back to sleep repeatedly.

In my BIOS settings, there's a "Windows" and "Linux" sleep mode option. Last time I tried "Linux" mode, sleep didn't seem to work, so I've left it at "Windows".

[–] zeppo@lemmy.world 2 points 6 months ago

I haven’t checked out the BIOS yet. The weird thing is it’s inconsistent… sometimes it sleeps perfectly, other times wakes immediately after shutting down. Just tested it now for instance and sort of like “hey mechanic my car makes this weird noise… oh uh, it’s not doing it now” it slept normally so there wasn’t anything to observe.