That didn't really attach anything useful, oh well. Here's the log snippet from ~/.cache/upstart/dbus/ showing the error happening:

** (zeitgeist-fts:2146): WARNING **: Unable to get info on application://nautilus-autostart.desktop
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-S9DAKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-S9DAKX (retval 2)
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-NM4FKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-NM4FKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-9X2MKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-9X2MKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-XTK5JX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-XTK5JX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-3LWGKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-3LWGKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-GYMKKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-GYMKKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-W77BKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-W77BKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled
** Message: ChangeCurrentFolderToRoot failed

** (zeitgeist-fts:2146): WARNING **: Unable to get info on application://nautilus-autostart.desktop
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-RFE9JX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-RFE9JX (retval 2)
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-284GKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-284GKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-UP0AKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-UP0AKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled

** (zeitgeist-fts:2146): WARNING **: Unable to get info on application://nautilus-autostart.desktop
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-F3C5JX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-F3C5JX (retval 2)
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-LVIFKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-LVIFKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer got cancelled

** (zeitgeist-fts:2146): WARNING **: Unable to get info on application://nautilus-autostart.desktop
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-OQULKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-OQULKX (retval 2)
** Message: ChangeCurrentFolderToRoot failed
** Message: ChangeCurrentFolderToRoot failed
** Message: transfer of Image010.jpg to /tmp/gvfsobexftp-tmp-VWUIKX started
** Message: filename: /Memory card/Images/Image010.jpg (Image010.jpg) copying to /tmp/gvfsobexftp-tmp-VWUIKX (retval 2)


The "ChangeCurrentFolderToRoot failed" appears to be harmless, for example when opening in eog this message is printed but the image still loads.

"transfer got cancelled" appears to be the message which is ultimately printed when a transfer actually fails.