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Fix Hibernation resume on nvidia computers

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This commit is contained in:
David Heinemeier Hansson
2026-02-21 09:22:17 +01:00
parent 76ab172334
commit ffd8509da6
2 changed files with 32 additions and 9 deletions
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bin/omarchy-hibernation-setup
+12
View File
@@ -62,6 +62,18 @@ echo "HOOKS+=(resume)" | sudo tee "$MKINITCPIO_CONF" >/dev/null
# Ensure keyboard backlight doesn't prevent sleep # Ensure keyboard backlight doesn't prevent sleep
sudo cp -p "$OMARCHY_PATH/default/systemd/system-sleep/keyboard-backlight" /usr/lib/systemd/system-sleep/ sudo cp -p "$OMARCHY_PATH/default/systemd/system-sleep/keyboard-backlight" /usr/lib/systemd/system-sleep/
# Add resume= kernel parameters so the initramfs resume hook knows where to find the
# hibernation image. Without these, resume happens late (after GPU drivers load) and fails.
RESUME_DROP_IN="/etc/limine-entry-tool.d/resume.conf"
if [[ ! -f "$RESUME_DROP_IN" ]]; then
echo "Adding resume kernel parameters"
sudo swapon -p 0 "$SWAP_FILE" 2>/dev/null
RESUME_DEVICE=$(findmnt -no SOURCE -T "$SWAP_FILE" | sed 's/\[.*\]//')
RESUME_OFFSET=$(btrfs inspect-internal map-swapfile -r "$SWAP_FILE")
sudo mkdir -p /etc/limine-entry-tool.d
echo "KERNEL_CMDLINE[default]+=\"resume=$RESUME_DEVICE resume_offset=$RESUME_OFFSET\"" | sudo tee "$RESUME_DROP_IN" >/dev/null
fi
# Use ACPI alarm for RTC wakeup on s2idle systems (needed for suspend-then-hibernate) # 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 if grep -q "\[s2idle\]" /sys/power/mem_sleep 2>/dev/null; then
LIMINE_DROP_IN="/etc/limine-entry-tool.d/rtc-alarm.conf" LIMINE_DROP_IN="/etc/limine-entry-tool.d/rtc-alarm.conf"
default/systemd/system-sleep/force-igpu
+20 -9
View File
@@ -5,14 +5,25 @@
# will wake after suspend in Hybrid mode, even if the system was in Integrated mode before # will wake after suspend in Hybrid mode, even if the system was in Integrated mode before
# suspending. # suspending.
if [[ $1 == "post" ]]; then case "$1" in
# small delay so the device is fully re-enumerated pre)
sleep 4 # Before hibernating, switch to Vfio so the nvidia driver is detached from the dGPU.
# Without this, hibernate resume fails because the nvidia driver can't freeze a
# powered-off dGPU (returns -EIO), which aborts the entire resume.
if [[ $2 == "hibernate" ]]; then
/usr/bin/supergfxctl -m Vfio
sleep 1
fi
;;
post)
# small delay so the device is fully re-enumerated
sleep 4
# force-bind dGPU to vfio (fully detached from nvidia) # force-bind dGPU to vfio (fully detached from nvidia)
/usr/bin/supergfxctl -m Vfio /usr/bin/supergfxctl -m Vfio
sleep 1 sleep 1
# then go back to Integrated, which powers it off again # then go back to Integrated, which powers it off again
/usr/bin/supergfxctl -m Integrated /usr/bin/supergfxctl -m Integrated
fi ;;
esac