I tried to monitor via jouralctl -f first attempts suggest that the application can't create a directory /var/cache/samba
I added write access to /var/cache for world. Then I got this Sep 23 14:05:35 mbpr13b dbus-daemon[2751]: Activating service name='org.gnome.DejaDup' Sep 23 14:05:35 mbpr13b dbus-daemon[2751]: Successfully activated service 'org.gnome.DejaDup' Sep 23 14:05:37 mbpr13b PackageKit[1129]: resolve transaction /511_eccbbeed from uid 1000 finished with success after 394ms Sep 23 14:05:37 mbpr13b deja-dup[4000]: BackendRemote.vala:83: Could not find enclosing mount Sep 23 14:05:37 mbpr13b deja-dup[4000]: BackendRemote.vala:83: Could not find enclosing mount Mounting the directory manually Sep 23 14:08:18 mbpr13b dbus-daemon[2751]: Activating service name='org.gnome.Nautilus' Sep 23 14:08:18 mbpr13b dbus-daemon[2751]: Successfully activated service 'org.gnome.Nautilus' Sep 23 14:08:18 mbpr13b org.gnome.Nautilus[2751]: sys:1: PyGIWarning: Nautilus was imported without specifying a version first. Use gi.require_version('Nautilus', '3.0') before import to ensure that the right version gets loaded. Sep 23 14:08:18 mbpr13b dbus[891]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' Sep 23 14:08:18 mbpr13b systemd[1]: Starting Hostname Service... Sep 23 14:08:18 mbpr13b nautilus[4157]: Called "net usershare info" but it failed: Failed to execute child process “net” (No such file or directory) Sep 23 14:08:18 mbpr13b dbus[891]: [system] Successfully activated service 'org.freedesktop.hostname1' Sep 23 14:08:18 mbpr13b systemd[1]: Started Hostname Service. Sep 23 14:08:20 mbpr13b gvfsd[2791]: mkdir failed on directory /var/cache/samba: Permission denied Sep 23 14:08:20 mbpr13b gvfsd[2791]: mkdir failed on directory /var/cache/samba: Permission denied Sep 23 14:08:20 mbpr13b gvfsd[2791]: mkdir failed on directory /var/cache/samba: Permission denied Sep 23 14:08:20 mbpr13b gvfsd[2791]: mkdir failed on directory /var/cache/samba: Permission denied The mount works though. Sep 23 14:10:56 mbpr13b dbus-daemon[2751]: Activating service name='org.gnome.DejaDup' Sep 23 14:10:56 mbpr13b dbus-daemon[2751]: Successfully activated service 'org.gnome.DejaDup' Sep 23 14:11:00 mbpr13b PackageKit[1129]: resolve transaction /512_dedcceee from uid 1000 finished with success after 422ms Sep 23 14:11:00 mbpr13b deja-dup[4216]: BackendRemote.vala:83: Could not find enclosing mount Sep 23 14:11:00 mbpr13b deja-dup[4216]: BackendRemote.vala:83: Could not find enclosing mount Same issue. Sep 23 14:15:08 mbpr13b org.gnome.Nautilus[2751]: ** Sep 23 14:15:08 mbpr13b org.gnome.Nautilus[2751]: ERROR:../src/nautilus-bookmark.c:387:nautilus_bookmark_connect_file: assertion failed: (!nautilus_file_is_gone (bookmark->file)) Sep 23 14:15:11 mbpr13b dbus-daemon[2751]: Activating service name='org.gnome.Nautilus' Sep 23 14:15:11 mbpr13b dbus-daemon[2751]: Successfully activated service 'org.gnome.Nautilus' Sep 23 14:15:11 mbpr13b gsd-media-keys[2953]: Couldn't lock screen: Timeout was reached Sep 23 14:15:11 mbpr13b org.gnome.Nautilus[2751]: sys:1: PyGIWarning: Nautilus was imported without specifying a version first. Use gi.require_version('Nautilus', '3.0') before import to ensure that the right version gets loaded. Sep 23 14:15:11 mbpr13b dbus[891]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' Sep 23 14:15:11 mbpr13b systemd[1]: Starting Hostname Service... Sep 23 14:15:11 mbpr13b nautilus[4292]: Called "net usershare info" but it failed: Failed to execute child process “net” (No such file or directory) Sep 23 14:15:11 mbpr13b dbus[891]: [system] Successfully activated service 'org.freedesktop.hostname1' Sep 23 14:15:11 mbpr13b systemd[1]: Started Hostname Service. Sep 23 14:15:14 mbpr13b gvfsd[2791]: mkdir failed on directory /var/run/samba: Permission denied Sep 23 14:15:14 mbpr13b gvfsd[2791]: mkdir failed on directory /var/run/samba: Permission denied Sep 23 14:15:14 mbpr13b gvfsd[2791]: mkdir failed on directory /var/run/samba: Permission denied Sep 23 14:15:14 mbpr13b gvfsd[2791]: mkdir failed on directory /var/run/samba: Permission denied Sep 23 14:15:14 mbpr13b gvfsd[2791]: mkdir failed on directory /var/run/samba: Permission denied Sep 23 14:15:14 mbpr13b gvfsd[2791]: mkdir failed on directory /var/run/samba: Permission denied Tried sudo chown o+w /run Mounting the share does not bring up any error messages any more. Deja-dup still fails and there are no files created in cache or run Still: the old deja-dup from Ubuntu 17.04 works fine. -- 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/1715582 Title: "Operation not supported by backend" when backing up to smb server Status in deja-dup package in Ubuntu: New Bug description: OS: Ubuntu 17.10 beta setting up deja-dup to backup to smb/ssh server fails With ssh: Permission denied syslog: Sep 7 10:30:05 mbpr13b deja-dup[30252]: Allocating size to AssistantBackup 0x55d581f75f50 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate? Sep 7 10:30:05 mbpr13b PackageKit: resolve transaction /149_caabebdc from uid 1000 finished with success after 414ms with smb: Backup failed InvalidBackendURL: missing // - relative paths not supported for scheme gio+invalid: gio+invalid:// syslog: Sep 7 10:32:45 mbpr13b deja-dup[30252]: Allocating size to AssistantBackup 0x55d581fecb70 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate? Sep 7 10:32:45 mbpr13b PackageKit: resolve transaction /150_abaacaad from uid 1000 finished with success after 402ms ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: deja-dup 35.6-0ubuntu1 ProcVersionSignature: Ubuntu 4.12.0-13.14-generic 4.12.10 Uname: Linux 4.12.0-13-generic x86_64 ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Sep 7 10:30:37 2017 InstallationDate: Installed on 2017-09-05 (1 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170902) SourcePackage: deja-dup UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/deja-dup/+bug/1715582/+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