2DS 6.0.0-12E.
Just tried, I'm still getting "Booting.." with spider and a black screen with MSET.
I'm able to boot rxTools, with both spider and MSET, only if I disable auto start. I get a black screen if I just let it auto start.
EDIT: If I enter to emuNAND with rxTools and return to sysNAND...