vax -current kernel trouble

[Henry Bent <hbent%cs.oberlin.edu@localhost>]

Hi all,

I'm aware that vax may not be considered very stable right now, but at 
least a kernel builds again.  This looks to be the work of Matt Thomas 
so Matt, if you're reading this, thank you very much!

On to the problem.  A -current kernel will begin booting, but as soon as 
it prints the memory sizes it drops right back to the ROM monitor.  It 
looks like:

...
VAXstation 3100/m{30,40}
cpu: KA41/42
cpu: Enabling primary cache, secondary cache
total memory = 8060 KB
avail memory = 6076 KB

and then I immediately get returned to the monitor.  The next line should be

mainbus0 (root)

I compiled a kernel with DEBUG on but didn't see any change at all.  How 
should I go about debugging this?

-Henry Bent