guys, anyone of you attempted el capitan,
Tried the usb install method, lapic kernel panic as clover is not patching it and when i use cpus=1 it does proceed further only to hang at missing bluetooth transport.
Reminds me of initial dps of maverick which showed similar traits.Was a graphics issue then, as it seems now.
Please share your experience.
As you said it seems like a Graphics issue
then install working Yosemite Kexts
Clean cache and restart
Good Luck !