Hang on boot with 4.9 and 5.2

[Lowell Gilbert]

chemica at mail.utexas.edu writes:

>          I am reinstalling FreeBSD after having destroyed my partition
> like a moron. I encounter the following error after the probe of my
> agp0:
> 
> panic: pmap_mapdev: couldn't alloc kernel virtual memory
> 
> Any help would be greatly appreciated.

What is your hardware and what did you previously have installed?

I had to install the floppy-boot kernel on my laptop (as a bootstrap
stage) to avoid the AGP probe.  I was then able to build a new kernel
without AGP.