https://bugs.freedesktop.org/show_bug.cgi?id=51190
--- Comment #7 from cyberbat cyberbat@lavabit.com 2012-06-20 10:56:44 PDT --- (In reply to comment #6)
No, I mean writing the string 'mem'. I don't know what if anything writing 3 will do.
I've tried echo -n "mem" > /sys/power/state
Just the same behavior as described.