smb related panic in 7.0-CURRENT

FreeBSD fbsd.interex-pla.net 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Thu May 
4 
14:20:19 CEST 2006 
root_at_fbsd.interex-pla.net:/usr/src/sys/i386/compile/TEST  i386

kgdb /usr/src/sys/i386/compile/TEST/kernel.debug vmcore.6
Unread portion of the kernel message buffer:
panic: lock (sleep mutex) srslock not locked _at_ 
/usr/src/sys/modules/smbfs/../../netsmb/smb_iod.c:97
KDB: enter: panic
panic: from debugger
Uptime: 1d12h14m38s
Physical memory: 503 MB
Dumping 125 MB: 110 94 78 62 46 30 14

#0  doadump () at pcpu.h:166
166     pcpu.h: No such file or directory.
         in pcpu.h
(kgdb) where
#0  doadump () at pcpu.h:166
#1  0xc0690810 in boot (howto=260) at ../../../kern/kern_shutdown.c:409
#2  0xc0690abb in panic (fmt=0xc08884ea "from debugger") at 
../../../kern/kern_shutdown.c:565
#3  0xc0486eed in db_panic (addr=-1066751093, have_addr=0, count=-1, 
modif=0xd6ef9940 "") at ../../../ddb/db_command.c:426
#4  0xc0486e84 in db_command (last_cmdp=0xc097ab04, cmd_table=0x0) at 
../../../ddb/db_command.c:395
#5  0xc0486f42 in db_command_loop () at ../../../ddb/db_command.c:446
#6  0xc0488b59 in db_trap (type=3, code=0) at ../../../ddb/db_main.c:221
#7  0xc06aae05 in kdb_trap (type=3, code=0, tf=0x0) at 
../../../kern/subr_kdb.c:481
#8  0xc0848620 in trap (frame=
       {tf_fs = -688979960, tf_es = -1066794968, tf_ds = -1064566744, 
tf_edi = 1, tf_esi = -1064537488, tf_ebp = -688940280, tf_isp = 
-688940300, tf_ebx = -68894
0236, tf_edx = 0, tf_ecx = -1056878592, tf_eax = 18, tf_trapno = 3, tf_err 
= 0, tf_eip = -1066751093, tf_cs = 32, tf_eflags = 642, tf_esp = 
-688940248, tf_ss =
-1066857877}) at ../../../i386/i386/trap.c:622
#9  0xc0835a9a in calltrap () at ../../../i386/i386/exception.s:138
#10 0xc06aab8b in kdb_enter (msg=0x12 <Address 0x12 out of bounds>) at 
cpufunc.h:60
#11 0xc0690a6b in panic (fmt=0xc08c7270 "lock (%s) %s not locked _at_ %s:%d") 
at ../../../kern/kern_shutdown.c:549
#12 0xc06b60ff in witness_unlock (lock=0xc3095994, flags=8, 
file=0xc30b68e1 "/usr/src/sys/modules/smbfs/../../netsmb/smb_iod.c", 
line=97)
     at ../../../kern/subr_witness.c:1246
#13 0xc0688427 in _mtx_unlock_flags (m=0xc3095994, opts=0, file=0xc30b68e1 
"/usr/src/sys/modules/smbfs/../../netsmb/smb_iod.c", line=97)
     at ../../../kern/kern_mutex.c:309
#14 0xc30aafcf in ?? ()
#15 0xc3095994 in ?? ()
#16 0x00000000 in ?? ()
#17 0xc30b68e1 in ?? ()
#18 0x00000061 in ?? ()
#19 0xc3124e00 in ?? ()
#20 0xc4ef6a00 in ?? ()
#21 0xc3124e18 in ?? ()
#22 0xd6ef9bb4 in ?? ()
#23 0xc30ab9cd in ?? ()
#24 0xc2c4e100 in ?? ()
#25 0xc2c4e1c8 in ?? ()
#26 0xc3095900 in ?? ()
#27 0xd6ef9bcc in ?? ()
#28 0xc30a9495 in ?? ()
#29 0xc3095900 in ?? ()
#30 0xc3095900 in ?? ()
#31 0x00000000 in ?? ()
#32 0xc4ef6a00 in ?? ()
#33 0xd6ef9be0 in ?? ()
#34 0xc30a9775 in ?? ()
#35 0xc3095918 in ?? ()
#36 0xc4ef6a00 in ?? ()
#37 0xc2ccab10 in ?? ()
#38 0xd6ef9ce0 in ?? ()
#39 0xc30a8013 in ?? ()
#40 0xc3095900 in ?? ()
#41 0xc3095900 in ?? ()
#42 0xc3095918 in ?? ()
#43 0x00000000 in ?? ()
#44 0xc30b66ba in ?? ()
#45 0x00000000 in ?? ()
#46 0x00000001 in ?? ()
#47 0x00000018 in ?? ()
#48 0xc279bc20 in ?? ()
#49 0xc3095800 in ?? ()
#50 0xc3095900 in ?? ()
#51 0xc06a3ea3 in critical_exit () at kern_switch.c:622
Previous frame inner to this frame (corrupt stack?)
(kgdb)


Regards,
gg.