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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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S3 Sleep on AMD always freezing the Desktop (feddit.de)

submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]

8 comments fedilink hide all child comments

I dont know if this is pretty common? I reported a bug about this an eternity ago on Fedora, but it is still happening.

I am also not sure what project is responsible, mesa?

Whenever I sleep my Fedora KDE Laptop, close the lid, open it and it turns on but no input works.

Sometimes my entire screen is corrupted too, like this and often only a hard shutdown fixes it, sometimes it reacts by itself.

Do you know something similar? Where should I report it and how can I circumvent this by now, disable S3 sleep?

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[–] [email protected] 4 points 9 months ago (2 children)

Many modern laptops no longer support S3 sleep at all. It is likely to be an issue with the bios rather than a linux project. On my laptop, with Ryzen 7 5825U, I had to give up on S3 and use s2idle. Also had to pass "pcie_aspm=off" as a kernel parameter because it would take ages to wake the ssd without it. Overall works ok. Not as good as S3 but better than nothing.

[–] [email protected] 1 points 9 months ago (1 children)

Thank you! How do you activate s2idle?

[–] [email protected] 2 points 9 months ago (1 children)

So to check what suspend states your laptop supports run cat /sys/power/mem_sleep. It should print something like s2idle shallow [deep] with the option that is enabled having [] around it. To change the enabled option run echo "s2idle" > /sys/power/mem_sleep.
https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate has more info.

[–] [email protected] 1 points 9 months ago

S2idle.

Hm, anyways this is happening ;(

[–] [email protected] 1 points 9 months ago (1 children)

Pcie ASPM off would hurt battery life a lot wouldn't it? What sad do you have?

[–] [email protected] 1 points 9 months ago

I haven't really noticed much of a difference. I figured it was probably worth actually being able to wake the laptop from sleep rather than having to restart it every time.

[–] [email protected] 2 points 9 months ago

Microsoft has pushed OEM's to stop supporting S3 in bios, instead wanting hybrid sleep. Microsoft wants this because hybrid sleep allows waking for sending telemetry to Microsoft all the dang time, like cell phones do. I curse the day they did this.

[–] [email protected] 1 points 9 months ago

Are you sure S3 sleep is enabled in the bios? On most machines it's one or the other, not both at the same time. On some Intel machines you can still enable S3 standby, but I know AMD killed it a lot sooner than Intel did.

Windows has powercfg /availablesleepstates to show what states are supported. I'm sure there's something like that for linux but I'm not 100% sure. You could try dmesg | grep -i "acpi: (supports"