wtmp log empty on FC1

Wed Mar 31 20:24:30 UTC 2004

I'm trying to figure out what is going on here.. I`ve upgraded a redhat 9 machine to FC1 and the wtmp file is empty.. I've restarted syslog , rebooted the machine and nothing worked... If I run last , I have this:

[root at jade etc]# last

wtmp begins Thu Mar 18 16:38:21 2004
[root at jade etc]# 

the permissions seem to be right:
  0 -rw-rw-r--   1 root  utmp         0 Mar 18 16:38 wtmp
  0 -rw-rw-r--   1 root  utmp         0 Fev 20 11:15 wtmp.1x

This machine is heavilly used , so I'm sure that the wtmp file should have lots of entries already... 
Any ideas?

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Pedro Fernandes Macedo