5.0: locking panic when running atf-run as root

[Hubert Feyrer <hubert%feyrer.de@localhost>]

Running "atf-run" as root repeatably crashes my NetBSD 5.0(-stable)/i386 
machine. Below is output with the ddb.onpanic=1 sysctl set.

Is this a known problem?


 - Hubert


10-finger-dump:

Reader / writer lock error: rw_vector_enter: locking against myself

lock address : 0x00000000cb5ac2d4
current cpu  :                  0
current lwp  : 0x00000000cb98ea20
owner/count  : 0x00000000cb98ea20 flags    : 0x000000000000004

panic: lock error
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c055e0cc cs 8 eflags 246 cr2 bbb23fc0 ilevel 0
Stipped in pid 26386.1 (touch) at    netbsd:breakpoint+0x4:  popl   %ebp
db{0}> bt
breakpoint()
panic()
lockdebug_abort()
rw_abort()
rw_vector_enter()
vlockmgr()
ffs_lock()
VOP_LOCK()
vn_lock
cache_lookup()
ufs_lookup()
VOP_LOOKUP()
lookup()
namei()
do_sys_stat()
sys___stat30
syscall()
db{0}>