ETINC BW Manager. Watchdog failover not working

[John Oxley]

I have installed the ETINC BW Shaper software v3.24c and things aren't
working. The problem I am having is if I try and run watchdogd, I get
this:

root at pluto:/sys/conf# watchdogd failover -i 7 -d
IOCTL: Invalid argument
Checking every 2 seconds
enabling WDT
IOCTL: Invalid argument
enable_wdt:: Invalid argument

Below is a detailed explanation of what I have done.

I am using the ETINC BW Manager on a FreeBSD 4.11 system.  Here is my
uname -a
FreeBSD pluto 4.11-RELEASE-p11 FreeBSD 4.11-RELEASE-p11 #15: Tue Jul 26 11:25:09 CAT 2005 sysjo at pluto:/usr/obj/usr/src/sys/Pluto  i386

The machine is a:
CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2093.22-MHz 686-class CPU)
with SCSI hard drives, an onboard fxp and onboard em NICs, and I have
bought a 
http://www.etinc.com/product_info.php?products_id=32
for the actual shaping.

The BW software I am using is v3.24c.

I have followed the install docs, not quite to the letter, because I had
to modify the /sys/conf/files from what they said to get the kernel to
compile.  These are my modifications:

   #net/if_ethersubr.c    optional ether
   net/if_etherbwmgr.c    optional ether
   net/if_etherbwmgr.c    optional bw

I am not meant to put the last line there, but if I don't the kernel
compile complains that it can't find the bw device.

I have built the kernel (with my modifications) and the module etbwmgr
loads successfully:
Jul 26 12:50:33 pluto /kernel: ET/BWMGR Driver v3.24c

If I try and load the et_bypass module (which I think is for the gigabit
failover card), i get (link_elf: symbol em_read_ctlext undefined).

I have put 
options  HW_WDOG
into my kernel.

If anyone can give me some pointers as to what to do, please let me
know.

Regards,

-John
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