I've now got definitive, anecdotal proof that the zero-length file (and
resulting backup failure) is Ubuntu/smbd/Linux kernel related.
All day I've been trying to use Nautilus to move thousands of 13-14MB
files off my Linux/Ubuntu file server and onto my Netgear NAS for
archiving.
Every attempt
Just FYI this bug is still in a 12.10 distro update done as recently as
48 hours ago through Update Manager.
This was a distro update to a Ubuntu Studio install of great vintage.
A USB card reader with a CF card inserted would appear in Nautilus but
clicking on the card generated the Adding read