Infinite boot loop with OC 0.6.4

I posted a related question a few days ago, but I've since gotten past my kernel panic from [EB|#LOG:EXITBS:START]

System:

• Aorus Gaming 7 Z370 mobo
• i7 8700k 3.7GHz
• Radeon 580 (Pulse I think)
• Fenvi 919
• 48MB RAM

Everything works ok on OC 0.6.3, but when I try to switch over to 0.6.4 I find myself stuck in an infinite reboot loop. I've pared back my kexts to the bare essentials and I've run the config through sanity checkers and things like that, and I'm coming up empty. I did check the troubleshooting guide and I've followed the steps that seemed relevant.

I notice one interesting error in the attached log which I wonder if it has something to do with the problem, it says

ACPI Error: Method params/execution failed...AE_NOT_FOUND 

https://preview.redd.it/3idoihsy8u661.jpg?width=3024&format=pjpg&auto=webp&s=928fb89c77fdcee97969b9a194de22ce08a76cfc