Replying to myself here for the edification of those interested.
A value of 320 for NKPT eliminated this crash, set in the
kernel config file:
options NKPT=320
For those of you with large ramdisk booting requirements, this
one option will likely save you hours of trial and error
I have a build process (which worked at release 7.3) that makes a
bootable ISO using a ramdisk image as the boot volume. At release 8
it panics right after reporting the real memory size with:
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
...
[thread
