Ran into the same, or similar, issue. It turned out the problem was caused by insufficient permissions. Found a solution here https://unix.stackexchange.com/questions/68079/mount-cifs-network-drive- write-permissions-and-chown
Below is the error message I received. Would be helpful to the user if the error returned stated that the destination was not writable. Traceback (innermost last): File "/usr/bin/duplicity", line 1555, in <module> with_tempdir(main) File "/usr/bin/duplicity", line 1541, in with_tempdir fn() File "/usr/bin/duplicity", line 1393, in main do_backup(action) File "/usr/bin/duplicity", line 1511, in do_backup full_backup(col_stats) File "/usr/bin/duplicity", line 572, in full_backup globals.backend) File "/usr/bin/duplicity", line 454, in write_multivol (tdp, dest_filename, vol_num))) File "/usr/lib/python2.7/dist-packages/duplicity/asyncscheduler.py", line 146, in schedule_task return self.__run_synchronously(fn, params) File "/usr/lib/python2.7/dist-packages/duplicity/asyncscheduler.py", line 172, in __run_synchronously ret = fn(*params) File "/usr/bin/duplicity", line 453, in <lambda> vol_num: put(tdp, dest_filename, vol_num), File "/usr/bin/duplicity", line 342, in put backend.put(tdp, dest_filename) File "/usr/lib/python2.7/dist-packages/duplicity/backend.py", line 395, in inner_retry % (n, e.__class__.__name__, util.uexc(e))) File "/usr/lib/python2.7/dist-packages/duplicity/util.py", line 79, in uexc return ufn(unicode(e).encode('utf-8')) UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 37: ordinal not in range(128) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776030 Title: Backup fails with "an unknown error" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/deja-dup/+bug/1776030/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs