Robustly configure suspend / lock?

[soundofthunder]

@_dunce

I get the error

You are attempting to enter hibernation, or perhaps a hybrid sleep state, and as @Erim suggests;

@Erim

You are lacking enough swap space.

In fact, you are lacking any at all:

@_dunce

Swap:
  Alert: No swap data was found.

@_dunce

Can suspend: True
Can hibernate: False
Can hybrid sleep: False

@_dunce

Any ideas?

To hibernate your system, the minimum amount of swap space recommended (for a system with 32 GB of RAM, such as yours) is ~33 GB; preferably as a swap partition though in some circumstances a swap file could be used.

A system might also benefit from a combination of both;
using zswap.

• Swap (Arch Wiki)
• Zswap (Arch Wiki)
• In defense of swap: common misconceptions

Lastly, you could choose to suspend the system instead.

A small amount of swap would still be generally desirable (but not strictly required). A file is created on / (by default), and naturally, you would need to have sufficient space available for the file.

Or, possibly zram which dynamically grows and shrinks as required;

• zram (Arch Wiki)
• Install and configure zram using zram-generator (Manjaro Tutorials)

I hope this helps.

Regards.