I think that it is at the level of the connection. Because on the file of log, 
I have the message: 

Contenu du fichier /var/lib/backuppc/pc/192.168.1.53/XferLOG.bad, modifié le 
2009-05-05 09:59:21 (Extraction des erreurs seulement)

full backup started for directory /
Running: /usr/bin/ssh -q -x -l root 192.168.1.53 /usr/bin/rsync --server 
--sender --numeric-ids --perms --owner --group -D --links --hard-links --times 
--block-size=2048 --recursive --ignore-times . /
Xfer PIDs are now 7710
Read EOF: Connection reset by peer
Tried again: got 0 bytes
Done: 0 files, 0 bytes
Got fatal error during xfer (Unable to read 4 bytes)
Backup aborted (Unable to read 4 bytes)

help me please, i need your help?

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