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#1 2024-10-25 18:28:27

Lotus
Member
Registered: 2024-10-25
Posts: 2

[SOLVED] Cannot reach "sleep" states

TLDR:
There was an option in my BIOS settings that was causing this behaviour.
In particular the option was the Re-Size BAR Support which in turns enables Above 4GB MMIO BIOS assignment and Above 4G decoding, which I guess are not supported by the Linux Kernel yet.

Hello,
I'm facing the following issue:

Since a few days, I haven't been able to make use of any sleep state (neither suspension to RAM, s2idle or hibernation). The issue presents as follows, every time I try to enter a "sleep" state, either by keyboard shortcut or with

systemctl [suspend|hibernate]

the screen and peripherals go blank, but the LEDs on my motherboard and the fans stay on. In the case of the suspension to RAM the fans actually speed up.
If I then try to press any key the RGBs of my keyboard turn back on, but the system remains unresponsive until I hard reset it.
Also I'm thinking that even if the keyboard lights up it is not working, because the numlock LED is not turning on (which should), but most importantly also SysRq don't work.

The problem doesn't show up in journalctl
Output from the hibernation attempt
Output from the suspend attempt

Currently I'm using kernel version 6.11.5, I think with version 6.10 the issue was not present, although I must say that sometimes when trying to suspend it happened, and I (erroneously) attributed it to caffeine-ng.
I already tried reverting back to kernel version 6.10 and also to linux-lts but it didn't solve the issue.

Here you can find all the hardware specs for my system, also providing some additional info here:

OS: Arch Linux x86_64
Host: B760M AORUS ELITE AX
Kernel: Linux 6.11.5-arch1-1
Shell: zsh 5.9
Display (24M1N3200V): 1920x1080 @ 60 Hz in 24" [External]
WM: i3 (X11)
Terminal: alacritty 0.14.0
CPU: 13th Gen Intel(R) Core(TM) i5-13600KF (20) @ 5.10 GHz
GPU: AMD Radeon RX 6700 XT [Discrete]

/etc/systemd/sleep.conf:

[Sleep]
SuspendState=mem freeze standby
HibernateMode=platform shutdown
MemorySleepMode=deep s2idle

Furthermore I already tried some major solutions explained in various similar posts scattered around the internet:

Edit:
I found an additional weird behavior, apparently after a forced reboot linux doesn't detect the wifi card:

rfkill
ID TYPE      DEVICE    SOFT      HARD
 0 bluetooth hci0   blocked unblocked

Also I tried booting up a USB with archiso installer, to see if that worked, and even then it didn't work. Could it be that the current BIOS version I have updated (F19 of 09/27/2024) Is too recent and still not supported by the linux kernel?

Last edited by Lotus (2024-10-25 22:44:42)

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