On Aug 24, 2012, at 10:25 AM, Richard W.M. Jones wrote:
 I'm not certain what the error is, but run
'libguestfs-test-tool' on
 the target server anyway to see if the libguestfs install is OK.
 
 Rich. 
Just ran /bin/libguestfs-test-tool and lots of output happened; looks really similar to
the verbose logging mode of the conversion!  At the end, the last line I see is:
===== TEST FINISHED OK =====
which I presume to mean everything is ok.