well

i'am using amanda2.4.4p3 on both a client and a server but i can't
succesfully backup the client
the amcheck ran ok but whein i ran amdump i got the following logs on
the amdump file

dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
dumper: dgram_recv: recvfrom() failed: Resource temporarily unavailable
driver: result time 183.200 from dumper0: TRY-AGAIN 00-00001 [reply
timeout]
rename_tmp_holding: /holddisk/disk/20041220/openldap._usr.0.tmp: empty
file?
unlink_holding_files: open of /holddisk/disk/20041220/openldap._usr.0
failed: No such file or directory


on the client in the amandad file i got 
 
amandad: time 0.009: sending REP packet:
----
Amanda 2.4 REP HANDLE 000-B8375309 SEQ 1103559678
CONNECT DATA 35975 MESG 35976 INDEX 35977
OPTIONS features=fffffeff9ffe0f;
----
 
amandad: time 10.008: dgram_recv: timeout after 10 seconds
amandad: time 10.008: waiting for ack: timeout, retrying
amandad: time 20.007: dgram_recv: timeout after 10 seconds
amandad: time 20.007: waiting for ack: timeout, retrying
amandad: time 30.006: dgram_recv: timeout after 10 seconds
amandad: time 30.006: waiting for ack: timeout, retrying
amandad: time 40.005: dgram_recv: timeout after 10 seconds
amandad: time 40.005: waiting for ack: timeout, retrying
amandad: time 50.004: dgram_recv: timeout after 10 seconds
amandad: time 50.004: waiting for ack: timeout, giving up!
amandad: time 50.004: pid 23133 finish time Mon Dec 20 17:41:09 2004


The server is a Fedora Core 1 and the client is a Fedora Core 2.
i'm wondering if it s related to a firewall issue.

Thanks in advance for any answer