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no C6 state on 5950X (sopuli.xyz)

submitted 10 months ago by [email protected] to c/[email protected]

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I noticed yesterday that my 5950X never goes into C6 state, as Powertop only shows C0 C1 and C2. I know there have been issues with Zen and Zen+ regarding C6 states but it shouldn't be a problem from Zen2 forwards? I tried running zenstates --c6-enable but that didn't seem to work and I couldn't find any settings in the bios of my Gigabyte X570 Ultra.

Is there a way to enable C6 states? I'm running Arch on the Zen kernel with ZFS modules. (I also notice the same behaviour on my Proxmox server which has a 5700X)

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[–] [email protected] 2 points 8 months ago

Are you sure there's no setting in your MoBo? It's usually well hidden and perhaps under an unintuitive name.