How do y'all deal with sleep states on modern laptops?
Most very recent laptops no longer support S3 sleep which used to be the default for a long time. On my old laptop it allowed me to just close the lid in the evening and open it again in the morning, and it would only loose a negligible amount of charge during that time.
My new laptop (Dell Inspiron 14 Plus, Alder Lake) uses s2idle by default on Linux (Fedora in my case), which depletes the battery very quickly. I tend to shut down my computer every evening now, but even when I just put my laptop in my bag for 2 hours it will have lost 10-15% when I get it out. It's not terrible and I have gotten used to using my laptop like that but there's got to be a better way right?
I know hibernation / suspend-to-disk is an option in theory, but I use secure boot (and also disk encryption), and that makes it a lot more complicated, involving compiling your own patched kernel, so no thanks.
The way sleep on modern laptops is supposed to work is apparently called S0iX but it is not used by default and I don't know if or how I could make use of it on my laptop, and a guide that is linked everywhere on 01.org now just redirects to some generic intel site.
If you have a recent laptop without S3 sleep support, how are you dealing with this? Do you just live with the poor battery life, or is there some secret to getting more power saving sleep on modern machines?
Edit for mare clarification:
- The laptop does enter s2idle correctly, it just doesn't get down to a very low power state at all and consumes ~5% an hour
- cat /sys/power/mem_sleep only returns [s2idle], no deep sleep is supported. echo deep | sudo tee /sys/power/mem_sleep doesn't work (tee: /sys/power/mem_sleep: Invalid argument)
- There's no option in the BIOS to enable other sleep modes
- I've even tried patching the ACPI table myself to enable S3 sleep and it didn't work. I have no idea if I did it correctly although according to dmesg it did seem to load my patch
Thank you all for your input but it looks like on this Dell laptop I'm stuck with horrible s2idle sleep :/
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doot
in reply to Sh1nyM3t4l4ss • • •like this
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Toyful
in reply to Sh1nyM3t4l4ss • • •The smartass answer is simply just "turn it off"
With SSDs, boot times are negligible now and I don't see any need to sleep/suspend
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solarvector
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Toyful
in reply to solarvector • • •Fair enough
I haven't had any luck with sleep/hibernation for a while as it usually leads to my WiFi not working when I wake it up and requires a restart to fix it anyways.
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eshep
in reply to Toyful • •WiFi not working after suspend should at worst only require reloading the module, not a full reboot. This is a common thing I've noticed with many b43 and some old iwl cards.
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in reply to Sh1nyM3t4l4ss • • •goondu likes this.
anon5621
in reply to Sh1nyM3t4l4ss • • •How to achieve S0ix states in Linux*
01.orglike this
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Player2
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Rando
in reply to Sh1nyM3t4l4ss • • •I have this same issue on my 11th Gen Intel Framework and I never found a solution after a lot of research. Iβm upgrading from Intel to an AMD board so I hope it will make a difference.
My Steam Deck (AMD) gets amazing sleep performance and barely loses any charge so I hope I can match that with my new AMD board when I get it
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ππππππ
in reply to Sh1nyM3t4l4ss • • •Manually hibernate and then shut the lid, else it will wake itself up.
I have an older Mid 2012 MBP that sleeps properly though.
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jbk
in reply to Sh1nyM3t4l4ss • • •I have a Framework Laptop 13 (i5-1240P) and run Fedora Workstation. It uses s2idle (another name for s0ix, afaik) by default and the battery depletion is OK imo.
If it's low on battery and I can't charge it instantly though, I tend to make the next sleep state use ACPI sleep state S3 by running
echo deep | sudo tee /sys/power/mem_sleep. You can check if that's available on your platform (and the current mode) by runningcat /sys/power/mem_sleepafaik.like this
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dingdongitsabear
in reply to Sh1nyM3t4l4ss • • •my laptop is comparatively old (t480s, 8th gen) but had the same issues with battery drain on F38. I've switched to debian ~~and the situation is way better~~, overnight drain percentage-wise is in the single digits range. still nowhere close to my old macbook, but workable.
edit: no it isn't, tested F38 and D12 on separate partitions, both lose same amount; ~1 %/hr of standby (regardless of deep or s2idle setting), so 7-8% overnight.
edit 2: looking into making suspend-then-hibernate work, that should fix everything; sleep for 30 mins and hibernate afterwards.
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Ashkan :Verfied:
in reply to dingdongitsabear • • •@Sh1nyM3t4l4ss
I believe Macbooks have higher battery capacity. Don't they?
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in reply to owatnext • • •owatnext
in reply to dingdongitsabear • • •cat /sys/power/mem_sleepreturnss2idle [deep], whatever that means. I just leave it at the default settings. Perhaps I am just lucky?like this
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in reply to Sh1nyM3t4l4ss • • •wviana likes this.
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in reply to NikkiAtNight • • •cat /sys/power/mem_sleep?undrwater
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ProtonBadger
in reply to Sh1nyM3t4l4ss • • •Alas that would be a luxury for me. I got an Asus Strix Scar 17 2022 with NVidia 3060. I game with it, use Wayland, everything is fine.
Except suspending/hibernating. When it wakes up the Plasma panel is pink, desktop is missing and the mouse is drawing trails. I have the NVidia suspend/hibernate scripts enabled, have a swap partition bigger than RAM, but everything still looks weird on wakeup. So I shut it down in the evening and boot it fully in the morning, no biggie I guess...
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PeterPoopshit
in reply to ProtonBadger • • •Not sure what distro you're using but try the liquirox kernel. I did that one time on a really stubborn laptop and managed to get both the HDMI and the suspend feature working.
Using mainline or something to ensure I'm up to date on the latest kernel has never solved a single issue in my entire history of trying but using liquirox worked one time.
Kangie
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sun_is_ra
in reply to Sh1nyM3t4l4ss • • •My new Asus laptop didnt support S3 sleep.
Turns out it does indeed support it but the BIOS claims it isnt.
I found a patch for Linux ACPI that would make it enable S3 anyway and lived happily ever after
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in reply to Sh1nyM3t4l4ss • •Does
systemctl suspend/systemctl hibernatenot do what your looking for?Jack likes this.
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russjr08
in reply to RandomVideos • • •That's actually exactly what I do with my old Macbook Pro - its the only laptop I have, but I think there must be an issue with the battery since if I let it suspend for a bit, when I come back to it I have to hard reset it in order for it to come back on...
I normally run Fedora 38 on it, but I still keep macOS on it for firmware updates (well, that was the original intent, I don't think Apple will be updating mine for much longer if they still even are), but it occurs there too.
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testingtesting123
in reply to Sh1nyM3t4l4ss • • •sp00nix
Unknown parent • • •rotopenguin
in reply to Sh1nyM3t4l4ss • • •I had to disable Volume Management Device in bios (a relative of Rapid Storage Tech, I think) to get any amount of battery life on an 13th gen Asus Zenbook. Learned it from bugzilla.kernel.org/show_bug.cβ¦
Look at "cat /sys/kernel/debug/pmc_core/package_cstate_show" (need root to even peek into the debug dir). If you only have C1 and C2 and everything else is zero, then you're getting no S0ix joy. When things are working correctly, you should get some of the higher states, and a pile of C10 states when you close the laptop.
211879 β S0ix: Unable to achieve S0ix on Dell XPS 13 9310
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yum13241
in reply to Sh1nyM3t4l4ss • • •Why did they have to remove S3 sleep anyway? At least it worked. What was wrong with S3 sleep? Hardware support? At least it didn't set your backpack on fire. LTT made a video about your very problem.
I would honestly just use shutdown.
#BringBackS3SleepMine supports
s2idle [deep], and it's 6 years old.On Windows, make sure to unplug the charger before closing the lid, otherwise it'll try to run Windows updates because it thinks it on AC power.
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rotopenguin
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yum13241
in reply to rotopenguin • • •No OEM has ever read the ACPI spec? Then how does my power button work on Linux? Without ACPI, we would still have "It is now safe to turn off your computer." screens, ala Windows 95. (You can still enable that screen, lol)
I just wonder why M$ reinvented the wheel here. They could already force upgrades anyway, by just rebooting the laptop without the owner's permission like they already did. Fuck Modern Standby, and whoever even thought it was a good idea.
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yum13241
in reply to sp00nix • • •sp00nix
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