Noticably lower standby battery drain with Fedora 40
https://lemdro.id/post/8379593
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Running Fedora as a secondary OS from a Thunderbolt SSD.
What I can tell you is that my Bios still seems to be in charge (pun intended) of the charging cycles since it wouldn’t charge past 80% and I never set this in Fedora.
Otherwise runtime seems about average under use and the estimated time left on the charge seems correct.
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There is a threshold parameter you can tweak
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Please keep in mind that staying between 20-80% greatly improves battery life.
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Thanks. I’ve been able lenovo’s charging threshold feature and it won’t charge past 60%.
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That’s interesting. I usually skip each other fedora version, and will probably go from 39 to 41, but if there are improvements to battery life, maybe I will try it now.
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Why would you do that, there is absolutely no reason. Fedora only supports upgrading one version up.
Stay on the old stable if you like, but then switch to the latest? Why?
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Fedora actually supports skipping every other version. They point it at the docs:
. System upgrade is only officially supported and tested over 2 releases at most (e.g. from 38 to 40). If you need to upgrade over more releases, it is recommended to do it in several smaller steps (read more).
As for why I do that, the six months release cycle is too fast for me. I struggle a lot with things and end up living in a slow paced manner. In this case, the process is supported and I receive security updates normally, so I don’t see a problem and it works fine for me. Besides, I have only one computer I use for everything, and I had problems with things not working properly after a distro upgrade in the past (it was with ubuntu, but I got a bit traumatized after that).
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TBF with Ubuntu it’s only partly their fault. The other part is indirect due to the way apt works and the spread of third-party repos (launchpad etc.) that would throw you in dependency hell come upgrade time.
Ubuntu (and Debian, and any distro using apt) are badly in need of some way to dissociate core packages from third-party better. For Ubuntu that way was snap.
People may dislike the politics around snap or the technical implementation but the reason Ubuntu resorted to it is solid.
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Amd? There have been some very nice improvements to the pstate driver lately, maybe that’s what you are seeing
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It’s power-profiles-daemon. The new version came out a couple of weeks back (and reached stable bascially in the same day as F40 released) with much better performance, as it now detects if you system is running on battery and adapts both the balanced and power saver modes accordingly to save on power, it’s pretty great!
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Still I am finding it difficult to believe that just being battery aware has taken battery usage from 50℅ per hour to 1.4℅ per hour
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It’s a lot of other big improvements. The improvements were mainly made for Framework laptops but theu apply to other laptops too.
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