cipe on slackware?

Have used cipe between 4 Redhat machines (1 RH9, 3 RH7.3) for a long 
time now, but now trying to cipe from one of these machines to a 
Slackware machine(2.4.22) I get this problem:
root@abraxas:~/cipe-1.5.4# ciped-cb -o /etc/cipe/options debug=1
CIPE daemon vers 1.5.4 (c) Olaf Titz 1996-2000
device=(none)
debug=yes
ipaddr=192.168.3.31
ptpaddr=192.168.3.30
mask=
bcast=
mtu=0
metric=0
cttl=64
me=192.168.250.3:4515
peer=xxxxxxxx.37:4515
key=(secret)
nokey=no
socks=
tokxc=0
tokey=0
ipup=(none)
ipdown=(none)
arg=(none)
maxerr=8
tokxts=0
ping=120
toping=0
dynip=yes
hwaddr=(none)
ifconfig=no
checksum=no
Using cipcb0 index 0
Segmentation fault
root@abraxas:~/cipe-1.5.4#

And with cipe module debugging enabled dmesg says:
cipcb: CIPE driver vers 1.5.4 (c) Olaf Titz 1996-2000, 100 channels, debug=1
cipcb: rtnl_lock() at ../cipe/device.c:625
cipcb: cipe_alloc_dev 0
cipcb: rtnl_unlock() at ../cipe/device.c:627
cipcb0: alloc
cipcb: read_lock(&tasklist_lock) at ../cipe/device.c:216
cipcb: read_unlock(&tasklist_lock) at ../cipe/device.c:225
cipcb0: setpar
cipcb0: setpar 0.0.0.0:0 1000 60000 0600 64
cipcb0: setkey
cipcb0: attach
Unable to handle kernel NULL pointer dereference at virtual address 00000001
  printing eip:
c884edeb
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c884edeb>]    Not tainted
EFLAGS: 00010202
eax: 00000001   ebx: c7038000   ecx: 00000004   edx: ffffff95
esi: c6eab270   edi: c60bcad0   ebp: c7863a20   esp: c6e41e64
ds: 0018   es: 0018   ss: 0018
Process ciped-cb (pid: 781, stackpage=c6e41000)
Stack: 00000000 c703b204 c6e41f54 c6e41e80 c884d88d c703b204 c6e41e80 
f3d2234c
        00000004 c6e41eb8 00000014 c01cc454 00000001 c7cc0000 00000001 
c6e41eeb
        c01cfb73 c7cc0000 c6e41eec 00000000 00000001 0000000a 00000000 
00000001
Call Trace:    [<c884d88d>] [<c01cc454>] [<c01cfb73>] [<c0272474>] 
[<c027263a>]
   [<c026a3ba>] [<c014550e>] [<c013789d>] [<c0108f13>]

Code: 81 38 43 49 50 45 0f 84 56 ff ff ff e8 64 e2 ff ff b8 00 e0

With:
root@abraxas:~/cipe-1.5.4# lsmod
Module                  Size  Used by    Not tainted
cipcb                  28456   1  (autoclean)
ide-scsi                9232   0
tulip                  39872   1
crc32                   2848   0  [tulip]
agpgart                39960   0  (unused)

and ifconfig locking that console.

Has anybody got ideas on this?

Thanks,

Richard

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