Mint 22 won't suspend automatically
Mint 22 won't suspend automatically
I have no idea how to troubleshoot this. Manually suspending works, and it suspends automatically usually about 1 - 2 days after rebooting, then suddenly even the screen won't turn off.
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What DE are you using? I noticed that under XFCE, I have to use the display-managed suspend option, rather than the "system-managed" one (not sure why there's a distinction).
i use cinnamon. and every suspend option works when done manually in terminal or gui.
That seems like a policy kit issue. Maybe the system doesn't have the permissions to do it automatically. XFce usually has such problems in other distros, but I haven't heard one on mint with cinnamon.
Another thing to look at is what graphics card you're using. With nvidia you can get some weird suspend issues.
Finally, install a newer kernel to see if that fixes the issue.
i have tried new and old kernels, liquorix and xanmod too, no help. i am using nvidia gpu though, this has been my fear... maybe I'll go back to mint 21.3 as it didn't suffer from this.