OS: irix-6.5.x amanda-2.5.1p1

amcheck -lc
WARNING: yorick: selfcheck request failed: EOF on read from yorick

yorick is the amanda server. 

The funny thing is that in another instance of amanda works fine.
(I've checked both 2.5.1 and 2.5.1p1 and I get the same warning) 

The amcheck debug file:

amcheck: debug 1 pid 7542888 ruid 666 euid 0: start at Wed Sep 27 16:18:00 2006
amcheck: debug 1 pid 7542888 ruid 666 euid 666: rename at Wed Sep 27 16:18:00 
2006
security_getdriver(name=bsdtcp) returns 5ff94ea0
security_handleinit(handle=10029300, driver=5ff94ea0 (BSDTCP))
security_streaminit(stream=10038d70, driver=5ff94ea0 (BSDTCP))
amcheck-clients: time 0.009: connect_port: Skip port 512: Owned by exec.
amcheck-clients: time 0.009: connect_port: Skip port 513: Owned by login.
amcheck-clients: time 0.009: connect_port: Skip port 514: Owned by shell.
amcheck-clients: time 0.009: connect_port: Skip port 515: Owned by printer.
amcheck-clients: time 0.009: connect_port: Try  port 516: Available
- amcheck-clients: time 0.012: connected to 132.206.178.10.10112
amcheck-clients: our side is 0.0.0.0.516
amcheck-clients: try_socksize: send buffer size is 65536
amcheck-clients: try_socksize: receive buffer size is 65536
security_stream_seterr(10038d70, SOCKET_EOF)
security_seterror(handle=10029300, driver=5ff94ea0 (BSDTCP) error=EOF on read 
from yorick)
security_close(handle=10029300, driver=5ff94ea0 (BSDTCP))
security_stream_close(10038d70)
amcheck: pid 7542888 finish time Wed Sep 27 16:18:00 2006

Any ideas?
jf