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Use ACPI alarm for RTC wakeup on s2idle systems for hibernation

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David Heinemeier Hansson
2026-02-08 11:27:49 +01:00
parent 74eea9e716
commit ecf48a3b4c
1 changed files with 10 additions and 0 deletions
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10
bin/omarchy-hibernation-setup
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@@ -66,6 +66,16 @@ sudo cp "$OMARCHY_PATH/default/systemd/lid.conf" /etc/systemd/logind.conf.d/
sudo cp "$OMARCHY_PATH/default/systemd/hibernate.conf" /etc/systemd/sleep.conf.d/
sudo cp -p "$OMARCHY_PATH/default/systemd/system-sleep/keyboard-backlight" /usr/lib/systemd/system-sleep/
# Use ACPI alarm for RTC wakeup on s2idle systems (needed for suspend-then-hibernate)
if grep -q "\[s2idle\]" /sys/power/mem_sleep 2>/dev/null; then
LIMINE_DROP_IN="/etc/limine-entry-tool.d/rtc-alarm.conf"
if [[ ! -f "$LIMINE_DROP_IN" ]]; then
echo "Enabling ACPI RTC alarm for s2idle suspend"
sudo mkdir -p /etc/limine-entry-tool.d
echo 'KERNEL_CMDLINE[default]+="rtc_cmos.use_acpi_alarm=1"' | sudo tee "$LIMINE_DROP_IN" >/dev/null
fi
fi
# Regenerate initramfs
echo "Regenerating initramfs..."
sudo limine-mkinitcpio