Very strange. Do you use your setups as usually, I mean dsdt .plists etc.? I assume you can boot with latest trunk?
My laptop panics with stock AppleACPIPlatform (if I remember since 10.8.5?)
I found new bug related to finding Darwin Kernel Version string, if I boot 10.6.8 (32bit mode) with UseKernelCache=No, got random chars instead of Kernel Version string. I'll fix it as soon as possible.
here, let's see if I have luck
I don't know why you got that entry empty, you can report it on Chameleon Wizard topic. Anyway you can fill that empty entry simply by hand.