Created attachment 117611 [details] Crash backtrace given by "Report bug" app STEPS TO REPRODUCE 1. Goto System Settings -> Regional Settings -> Language 2. Tap on "Add languages..." 3. Select anything not English and tap "Add" OBSERVED RESULT "System Settings closed unexpectedly" notification EXPECTED RESULT New language in the list... SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.14.5 Qt Version: 5.12.0 KDE Frameworks Version: 5.54.0 Kernel Version: 4.20.3-arch1-1-ARCH OS Type: 64-bit Processors: 8 × Intel® Core™ i7-4790 CPU @ 3.60GHz Memory: 11.7 GiB of RAM ADDITIONAL INFORMATION The needed locale was generated previously (UTF-8, primarily, but also tried KOI8-R and ISO-8859-5 (for Russian))
Thread 1 (Thread 0x7ffa92ef7cc0 (LWP 1350)): [KCrash Handler] #6 0x00007ffa97cab75e in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () from /usr/lib/libQt5Qml.so.5 #7 0x00007ffa97d1c9e5 in QV4::ExecutionEngine::fromVariant(QVariant const&) () from /usr/lib/libQt5Qml.so.5 #8 0x00007ffa97c7e027 in QV4::QQmlContextWrapper::virtualGet(QV4::Managed const*, QV4::PropertyKey, QV4::Value const*, bool*) () from /usr/lib/libQt5Qml.so.5 #9 0x00007ffa97c2416d in QV4::ExecutionContext::getProperty(QV4::String*) () from /usr/lib/libQt5Qml.so.5 #10 0x00007ffa97d2408e in QV4::Runtime::method_loadName(QV4::ExecutionEngine*, int) () from /usr/lib/libQt5Qml.so.5
bug 404518 seems related
*** This bug has been marked as a duplicate of bug 404518 ***