panic: smbiod

[Oleg Palij]

Approximately once per month or two this server panics.
# mount | grep smbfs
//LASU at SPD/FTPEXCHANGE on /mnt/exchange (smbfs)
//PORTER at ISC-CACHE/FREEBSD on /mnt/FreeBSD (smbfs)

# dmesg -a
can be found at http://www.dp.uz.gov.ua/dmesg.isc-cache
kernel config - http://www.dp.uz.gov.ua/kernel.isc-cache

# uname -a
FreeBSD isc-cache.dp.uz.gov.ua 5.4-RELEASE-p4 FreeBSD 5.4-RELEASE-p4 #1:
Fri Nov  4 11:37:34 EET 2005
root at isc-cache.dp.uz.gov.ua:/usr/obj/usr/src/sys/ISC-CACHE_KERNEL  i386

db> where
Tracing pid 91914 tid 100078 td 0xc125ec00
turnstile_head(0,c1c7f900,c1e67a00,c1c7f900,cc32fb54) at turnstile_head+0x6
_mtx_unlock_sleep(c1e67a94,0,c1d21ec2,61) at _mtx_unlock_sleep+0x40
_mtx_unlock_flags(c1e67a94,0,c1d21ec2,61,c1c7f900) at _mtx_unlock_flags+0x2e
smb_iod_invrq(c1c7f900,c1c7f900,c1c7f900,cc32fba4,c1d16766) at smb_iod_invrq+0x43
smb_iod_dead(c1c7f900,c1c7f400,c1c7f488,c1e67a00,cc32fbbc) at smb_iod_dead+0x1a
smb_iod_addrq(c1e67a00,c1e67a00,0,c154f200,cc32fbd4) at smb_iod_addrq+0x6e
smb_rq_enqueue(c1e67a00,c1e67a18,c0fae3e0,c154f200,cc32fce4) at smb_rq_enqueue+0x2d
smb_rq_simple(c1e67a00,c1e67a00,c1e67a18,c154f200,c1d21cd9) at smb_rq_simple+0x2a
smb_smb_treeconnect(c1c7f400,c1c7f950,c1b461a0,c1c7f900,c1c7f958) at smb_smb_treeconnect+0x24e
smb_iod_treeconnect(c1c7f900,c1c7f400,c1c7f900,c125d710,c1d16d3c) at smb_iod_treeconnect+0x7b
smb_iod_thread(c1c7f900,cc32fd48) at smb_iod_thread+0xf4
fork_exit(c1d16d3c,c1c7f900,cc32fd48) at fork_exit+0x74
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xcc32fd7c, ebp = 0 ---
db> ps
...
91914 c125d710    0     1     0 0000204 [APU 0] smbiod4
...

What additional information can I provide?

Thanks!
-- 
Best regards,
Palij Oleg, ISC (Pridn railway) 
xmpp://malik@jabber.te.ua