Hi,

I just discovered that I can reliably crash a current MP kernel from the 
13th tree by trying to launch BIND 9.3.0 on this dual 200 MHz 604e system:

Dec 19 14:24:32 bunny named[383]: none:0: open: /etc/rndc.key: file not found
Dec 19 14:24:32 bunny named[383]: none:0: open: /etc/rndc.key: file not found
Dec 19 14:24:32 bunny named[383]: couldn't open pid file '/varpanic: 
kernel diagnostic assertion "curcpu()->ci_data.cpu_biglock_count == 0" failed: file 
"/usr/current/src/sys/kern/kern_lock.c", line 1480
Stopped in pid 383.3 (named) at netbsd:cpu_Debugger+0x10:       lwz 
r0, r1,
0
x14
db{1}> tr
0xd5933c60: at panic+0x19c
0xd5933cf0: at __assert+0x28
0xd5933d00: at _kernel_lock_acquire_count+0x114
0xd5933d30: at mi_switch+0x174
0xd5933d70: at ltsleep+0x560
0xd5933db0: at lwp_wait1+0xf0
0xd5933de0: at exit_lwps+0x1c8
0xd5933e20: at exit1+0x118
0xd5933eb0: at sys_exit+0x38
0xd5933ed0: at syscall_plain+0xc8
0xd5933f40: user SC trap #1 by 0x41cd1c3c: srr1=0xd032
             r1=0x449ffcd0 cr=0x22042042 xer=0 ctr=0x41cd1c34