rsync - Sep 2005 - Unexpected disconnect?

My job,

rsync -auv --exclude ".snapshot" --delete --safe-links 
/NFSvol/bam1/vg1/home1 /Volumes/xraid3/bam1/vol1/ 
>/var/local/log/bam1home1.log 2>&1
is several times with the following message,
 
Invalid checksum length 1913126912
rsync error: protocol incompatibility (code 2) at 
/SourceCache/rsync/rsync-20/rsync/sender.c(59)
rsync: writefd_unbuffered failed to write 103 bytes: phase "unknown" 
[generator]: Broken pipe (32)
rsync error: error in rsync protocol data stream (code 12) at 
/SourceCache/rsync/rsync-20/rsync/io.c(909)

There is no error record at the system level. The system is Mac Tiger with 
rsync 2.6.3.
I don't have this problem for Mac Panther with rsync 2.6.2.
I read the "Current issues" for rsync, which indicated that the remote
side rsync drops the connection for some reason. In my case, the source is 
an NFS mount, the destination is a local directory. Nothing is REMOTE.
If I rerun the job, the copying will continue, eventually it will finish 
the whole thing. 
What is going on?

Jun H. Zhang
Biostatistics and Applied Mathematics
MD Anderson Cancer Center
713-792-2606
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JHZhang@mdanderson.org wrote:
> Invalid checksum length 1913126912

This is the error from the sender that causes the disconnect.  Thus, the 
disconnect is not unexpected (it may be to the receiving side of rsync, 
but that's beside the point).  Since the data corruption occurred in the 
data going from the generator to the sender, I assume that this is the 
protocol corruption bug that was fixed in newer versions of rsync.  I'd 
suggest upgrading to 2.6.6.

..wayne..