https://bugs.kde.org/show_bug.cgi?id=423899
--- Comment #1 from Avinash Sonawane <root...@gmail.com> --- gdb log: (gdb) run Starting program: /home/rootkea/Downloads/todo/hacking/artikulate/build/bin/artikulate [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7ffff1bac700 (LWP 2512303)] [New Thread 0x7fffebfff700 (LWP 2512304)] [New Thread 0x7fffeb7fe700 (LWP 2512305)] articulate.core: Repository created from with location QUrl("file:///home/rootkea/.local/share/artikulate/courses/") articulate.core: Loading courses from "/home/rootkea/.local/share/artikulate/courses" articulate.core: Loading resource "/home/rootkea/.local/share/artikulate/courses/basic/gr/gr.xml" articulate.core: Loading resource "/home/rootkea/.local/share/artikulate/courses/basic/gr/gr.xml" articulate.core: Reloading of resources not yet supported, skippen course articulate.core: Loading resource "/home/rootkea/.local/share/artikulate/courses/basic/ba/ba.xml" articulate.core: Loading resource "/home/rootkea/.local/share/artikulate/courses/basic/ba/ba.xml" articulate.core: Reloading of resources not yet supported, skippen course articulate.core: Loading resource "/home/rootkea/.local/share/artikulate/courses/basic/fr/fr.xml" articulate.core: Loading resource "/home/rootkea/.local/share/artikulate/courses/basic/fr/fr.xml" articulate.core: Reloading of resources not yet supported, skippen course [New Thread 0x7fffeaffd700 (LWP 2512306)] log_liblearner: Database path: "/home/rootkea/.local/share/artikulate/learnerdata.db" log_liblearner: No last active profile found, falling back to first found profile QObject::connect(OutputBackendInterface, OutputDeviceController): invalid null parameter Thread 1 "artikulate" received signal SIGSEGV, Segmentation fault. OutputDeviceControllerPrivate::lazyInit (this=0x5555559021d0) at /home/rootkea/Downloads/todo/hacking/artikulate/libsound/src/outputdevicecontroller.cpp:81 81 m_volume = m_backend->volume(); (gdb) bt #0 OutputDeviceControllerPrivate::lazyInit() (this=0x5555559021d0) at /home/rootkea/Downloads/todo/hacking/artikulate/libsound/src/outputdevicecontroller.cpp:81 #1 0x00007ffff7e50d29 in OutputDeviceController::self() () at /home/rootkea/Downloads/todo/hacking/artikulate/libsound/src/outputdevicecontroller.cpp:110 #2 0x000055555555a012 in MainWindow::MainWindow() (this=0x5555556c1100) at /home/rootkea/Downloads/todo/hacking/artikulate/src/mainwindow.cpp:30 #3 0x0000555555559912 in main(int, char**) (argc=1, argv=0x7fffffffdfd8) at /home/rootkea/Downloads/todo/hacking/artikulate/src/main.cpp:52 (gdb) -- You are receiving this mail because: You are watching all bug changes.