Sorry, I should have checked the archives. My question was answered by the
summary by  Rainer Landes at:
http://www-archive.stanford.edu/lists/alpha-osf-managers/hyper97/0873.html
I have copied rwhod from DU 3.2c, and that seems to work.
   Niels Jørgen Kokholm          | email:   kokholm_at_math.ku.dk
   Matematisk Institut           | phone:   +45 3532 0759/+45 2128 6932
   Universitetsparken 5          | fax:     +45 3532 0704
   DK-2100 København Ø, Denmark  | www:     
http://www.math.ku.dk/~kokholm
On Wed, 30 Apr 1997, Niels Kokholm wrote:
> We recently installed DU4.0b on 5 DEC Alphas (various types).  (We did
> fresh installs in order to enlarge the former root partitions a.o.). On
> two of the machines rwhod dies after a while. I see no traces in the logs. 
> In one instance i timed the dead of rwhod roughly to around 90 minutes
> after start. On the other three machines rwhod runs as it should. Two of
> the machines are Alphastations 250 4/266 with the same softwaer subsets
> loaded - rwhod works on one of these.
> 
> Do you have any idea, what can be the problem?
> 
> 
>    Niels Jørgen Kokholm          | email:   kokholm_at_math.ku.dk
>    Matematisk Institut           | phone:   +45 3532 0759/+45 2128 6932
>    Universitetsparken 5          | fax:     +45 3532 0704
>    DK-2100 København Ø, Denmark  | www:     http://www.math.ku.dk/~kokholm
> 
> 
> 
Received on Thu May 01 1997 - 16:17:32 NZST