S3 is no longer available on newer XPS notebooks (e.g. 9310). S0ix works fine with Linux but I've found it typically requires tweaking and testing. dmesg | gre

S3 is no longer available on newer XPS notebooks (e.g. 9310). S0ix works fine with Linux but I've found it typically requires tweaking and testing. dmesg | grep ACPI | grep supports [ 0.193967] ACPI: (supports S0 S4 S5) sudo cat /sys/power/mem_sleep [s2idle] https://01.org/blogs/qwang59/2018/how-achieve-s0ix-states-linux https://01.org/blogs/qwang59/2018/how-achieve-s0ix-states-li... https://01.org/blogs/rzhang/2015/best-practice-debug-linux-suspend/hibernate-issues https://01.org/blogs/rzhang/2015/best-practice-debug-linux-s...