Аналогичная проблема.
Contents of file /var/lib/backuppc/pc/172.17.100.210/LOG.072017, modified 2017-07-18 20:31:58
2017-07-18 20:26:53 full backup started for share change
2017-07-18 20:31:53 Got fatal error during xfer (No files dumped for share change)
2017-07-18 20:31:58 Backup aborted (No files dumped for share change)
2017-07-18 20:31:58 Saved partial dump 0
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
File /var/lib/backuppc/pc/172.17.100.210/XferLOG.0.z
Contents of file /var/lib/backuppc/pc/172.17.100.210/XferLOG.0.z, modified 2017-07-18 20:31:58
Running: /usr/bin/smbclient \\\\172.17.100.210\\change -U centr\\backuppc -E -d 1 -c tarmode\ full -Tc -
full backup started for share change
Xfer PIDs are now 22177,22176
WARNING: The "syslog" option is deprecated
Domain=[CENTR] OS=[Windows Server 2008 R2 Standard 7601 Service Pack 1] Server=[Windows Server 2008 R2 Standard 6.1]
tar:316 tarmode is now full, system, hidden, noreset, quiet
create 644 0/0 109568 2.xls
tarExtract: Done: 0 errors, 8 filesExist, 0 sizeExist, 0 sizeExistComp, 7780 filesTotal, 3812505550 sizeTotal
Got fatal error during xfer (No files dumped for share change)
Backup aborted (No files dumped for share change)
Saving this as a partial backup, replacing the prior one (got 7780 and 0 files versus 0)
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
система : ubuntu 16.04 x64
поставил на чистую ОС проблема не ушла, поставил на debian 8.8 всё нормально..