extend documentation

2026-07-26 03:01:52 +02:00
parent 40b6cd8bb5
commit 74aef29146
8 changed files with 196 additions and 1 deletions
@@ -306,6 +306,21 @@ Create the file `/etc/cmdline.d/03-resume.conf` with the following content
 resume=/dev/vgsys/lvswap
 ```

+On some systems, the kernel will default to s2sleep when displays are turned of or when the laptop goes to suspend.
+Unfortunately, some devices have trouble waking up from this. The fix is to switch from s2sleep to deep sleep.
+
+Create `/etC/cmdline.d/04-sleep.conf` with the following content
+
+```ini
+mem_sleep_default=deep
+```
+
+On some systems, deep sleep needs to be activated in the Bios
+
+- Disable `Modern Standby`
+- Disable `S0 Low Power Idle`
+- Enable `Deep Sleep`
+
 ## Enable Unified Kernel Image Booting

 UKI creates a single executable that can be directly booted from the UEFI firmware without any bootloader.