Description of problem: I logged into Plasma 5.15.5 on Wayland in an F30 KDE Plasma spin installation. I started Back in time (root) from the menu. I added a new profile to backup / . I selected to save the file permissions and extended attributes. I added /usr/src/debug and /usr/lib/debug to the exclude list. I started a snapshot to backup to an external USB hard drive. The snapshot stopped around 60% of the way, and Done was shown in the bottom of the screen. I had selected to check the snapshot log which showed the snapshot had stopped midway. No completed snapshot was in the list on the left of the window. I found this error in gnome-abrt later. The second time I tried this snapshot, it completed correctly without this error. This problem with the same error and trace was reported by others at https://github.com/bit-team/backintime/issues/1003 Version-Release number of selected component: backintime-common-1.2.0-3.fc30 Additional info: reporter: libreport-2.10.1 cmdline: python3 -Es /usr/share/backintime/common/backintime.py --profile-id 3 backup crash_function: flush exception_type: RuntimeError executable: /usr/share/backintime/common/backintime.py interpreter: python3-3.7.4-1.fc30.x86_64 kernel: 5.1.17-300.fc30.x86_64 runlevel: N 5 type: Python3 uid: 0 Truncated backtrace: snapshotlog.py:203:flush:RuntimeError: reentrant call inside <_io.BufferedWriter name='/root/.local/share/backintime/takesnapshot_3.log'> Traceback (most recent call last): File "/usr/share/backintime/common/backintime.py", line 1165, in <module> startApp() File "/usr/share/backintime/common/backintime.py", line 517, in startApp args.func(args) File "/usr/share/backintime/common/backintime.py", line 739, in backup ret = takeSnapshot(cfg, force) File "/usr/share/backintime/common/backintime.py", line 94, in takeSnapshot ret = snapshots.Snapshots(cfg).backup(force) File "/usr/share/backintime/common/snapshots.py", line 692, in backup ret_val, ret_error = self.takeSnapshot(sid, now, include_folders) File "/usr/share/backintime/common/snapshots.py", line 1036, in takeSnapshot proc.run() File "/usr/share/backintime/common/tools.py", line 1981, in run self.callback(line, self.user_data) File "/usr/share/backintime/common/snapshots.py", line 809, in rsyncCallback self.snapshotLog.append('[C] ' + line[12:], 2) File "/usr/share/backintime/common/snapshotlog.py", line 195, in append self.logFile.write(msg + '\n') File "/usr/share/backintime/common/tools.py", line 1513, in handler self.callback() File "/usr/share/backintime/common/snapshotlog.py", line 203, in flush self.logFile.flush() RuntimeError: reentrant call inside <_io.BufferedWriter name='/root/.local/share/backintime/takesnapshot_3.log'> Local variables in innermost frame: self: <snapshotlog.SnapshotLog object at 0x7faa6a4e2e10>
Created attachment 1590511 [details] File: backtrace
Created attachment 1590512 [details] File: cgroup
Created attachment 1590513 [details] File: environ
Created attachment 1590514 [details] File: mountinfo
Created attachment 1590515 [details] File: namespaces
*** Bug 1733803 has been marked as a duplicate of this bug. ***
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