I'm also seeing this issue and I just purged Duplicity and then added it back with the PPA and I am still seeing the issue. I am using 0.7.17 now. What information can I provide to help fix this?
Ubuntu Version: UbuntuMate 17.10 uname -a Linux 4.13.0-36-generic #40-Ubuntu SMP Fri Feb 16 20:07:48 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ulimit -v unlimited ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 31429 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 31429 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to deja-dup in Ubuntu. https://bugs.launchpad.net/bugs/1727653 Title: error: can't start new thread Status in Duplicity: Incomplete Status in deja-dup package in Ubuntu: Triaged Status in duplicity package in Ubuntu: In Progress Bug description: $ uname -a Linux mbpr13b 4.13.0-16-generic #19-Ubuntu SMP Wed Oct 11 18:35:14 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux duplicity gets started daily via deja-dup automatically. Every now and then (approx. every third time) I get the following error: ------------------ Failed with an unknown error. Traceback (most recent call last): File "/usr/bin/duplicity", line 1546, in <module> with_tempdir(main) File "/usr/bin/duplicity", line 1540, in with_tempdir fn() File "/usr/bin/duplicity", line 1391, in main do_backup(action) File "/usr/bin/duplicity", line 1468, in do_backup restore(col_stats) File "/usr/bin/duplicity", line 731, in restore restore_get_patched_rop_iter(col_stats)): File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 560, in Write_ROPaths for ropath in rop_iter: File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 523, in integrate_patch_iters for patch_seq in collated: File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 389, in yield_tuples setrorps(overflow, elems) File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 378, in setrorps elems[i] = iter_list[i].next() File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 107, in filter_path_iter for path in path_iter: File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 121, in difftar2path_iter tarinfo_list = [tar_iter.next()] File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 339, in next self.set_tarfile() File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 333, in set_tarfile self.current_fp = self.fileobj_iter.next() File "/usr/bin/duplicity", line 768, in get_fileobj_iter manifest.volume_info_dict[vol_num]) File "/usr/bin/duplicity", line 811, in restore_get_enc_fileobj fileobj = tdp.filtered_open_with_delete("rb") File "/usr/lib/python2.7/dist-packages/duplicity/dup_temp.py", line 119, in filtered_open_with_delete fh = FileobjHooked(path.DupPath.filtered_open(self, mode)) File "/usr/lib/python2.7/dist-packages/duplicity/path.py", line 778, in filtered_open return gpg.GPGFile(False, self, gpg_profile) File "/usr/lib/python2.7/dist-packages/duplicity/gpg.py", line 202, in __init__ 'logger': self.logger_fp}) File "/usr/lib/python2.7/dist-packages/duplicity/gpginterface.py", line 374, in run create_fhs, attach_fhs) File "/usr/lib/python2.7/dist-packages/duplicity/gpginterface.py", line 420, in _attach_fork_exec process.thread.start() File "/usr/lib/python2.7/threading.py", line 736, in start _start_new_thread(self.__bootstrap, ()) error: can't start new thread -------------- Restarting deja-dup manually fixes the problem and the next few days, automatic backup will run correctly until (see above). ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: duplicity 0.7.12-1ubuntu1 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 ApportVersion: 2.20.7-0ubuntu3 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Oct 26 10:49:45 2017 InstallationDate: Installed on 2017-10-20 (5 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018) SourcePackage: duplicity UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/duplicity/+bug/1727653/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp