With nothing special going on (I think maybe a tar xfvz of the jdk 1.2.2 
source), my system crashed inexplicably.  I have no idea why a lock would 
look like this does, no clue whether I should be replacing my hardware or 
the system is just getting more and more unstable.

(kgdb) p *lkp
$1 = {
  lk_interlock = {
    lock_data = 0x0
  lk_flags = 0xffffffff, 
  lk_sharecount = 0x10001, 
  lk_waitcount = 0xffffffff, 
  lk_exclusivecount = 0xffff, 
  lk_prio = 0xffff, 
  lk_wmesg = 0x10001 <Address 0x10001 out of bounds>, 
  lk_timo = 0xffffffff, 
  lk_lockholder = 0x0
(kgdb) bt
#0  dumpsys () at ../../kern/kern_shutdown.c:461
#1  0xc016873f in boot (howto=0x100) at ../../kern/kern_shutdown.c:302
#2  0xc0168ae1 in panic (fmt=0xc02696c0 "lockmgr: pid %d, not %s %d unlocking") at 
#3  0xc0163280 in lockmgr (lkp=0xc0f12000, flags=0x6, interlkp=0xd048fdec, 
p=0xd05f7ac0) at ../../kern/kern_lock.c:382
#4  0xc0198cef in vop_stdunlock (ap=0xd0606b40) at ../../kern/vfs_default.c:250
#5  0xc02149c9 in ufs_vnoperate (ap=0xd0606b40) at ../../ufs/ufs/ufs_vnops.c:2263
#6  0xc019bfbe in vclean (vp=0xd048fd80, flags=0x8, p=0xd05f7ac0) at vnode_if.h:865
#7  0xc019c153 in vgonel (vp=0xd048fd80, p=0xd05f7ac0) at ../../kern/vfs_subr.c:1864
#8  0xc019a8e1 in getnewvnode (tag=VT_UFS, mp=0xc0d1c200, vops=0xc0cbc700, 
vpp=0xd0606be8) at ../../kern/vfs_subr.c:510
#9  0xc020ccff in ffs_vget (mp=0xc0d1c200, ino=0x49f56, vpp=0xd0606c34) at 
#10 0xc01ff5bb in ffs_valloc (pvp=0xd03ccd40, mode=0x8124, cred=0xc15eea80, 
    at ../../ufs/ffs/ffs_alloc.c:604
#11 0xc021480f in ufs_makeinode (mode=0x8124, dvp=0xd03ccd40, vpp=0xd0606e80, 
    at ../../ufs/ufs/ufs_vnops.c:2057
#12 0xc021222c in ufs_create (ap=0xd0606d94) at ../../ufs/ufs/ufs_vnops.c:186
#13 0xc02149c9 in ufs_vnoperate (ap=0xd0606d94) at ../../ufs/ufs/ufs_vnops.c:2263
#14 0xc01a29bb in vn_open (ndp=0xd0606e6c, flagp=0xd0606e38, cmode=0x124) at 
#15 0xc019e5c1 in open (p=0xd05f7ac0, uap=0xd0606f80) at ../../kern/vfs_syscalls.c:1037
#16 0xc024f1dd in syscall2 (frame={tf_fs = 0x2f, tf_es = 0x2f, tf_ds = 0x2f, tf_edi = 
0x80b4f3f, tf_esi = 0x1d, 
      tf_ebp = 0xbfbff858, tf_isp = 0xd0606fd4, tf_ebx = 0x60d, tf_edx = 0x1d, tf_ecx 
= 0xffffffe0, tf_eax = 0x5, 
      tf_trapno = 0x7, tf_err = 0x2, tf_eip = 0x808099c, tf_cs = 0x1f, tf_eflags = 
0x202, tf_esp = 0xbfbff6ec, 
      tf_ss = 0x2f}) at ../../i386/i386/trap.c:1150
#17 0xc0243185 in Xint0x80_syscall ()
#18 0x80509f9 in ?? ()
#19 0x8052c5a in ?? ()
#20 0x8048139 in ?? ()

 Brian Fundakowski Feldman           \  FreeBSD: The Power to Serve!  /
 [EMAIL PROTECTED]                    `------------------------------'

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