thiago added a comment.
This last backtrace does not show anything stuck. Thread 1 was actively running, in fact (it's inside of malloc). Also note your testcase has no window, since the widget is destroyed before app.exec(). REPOSITORY R871 DrKonqi REVISION DETAIL https://phabricator.kde.org/D18245 To: croick, sitter, #kdevelop Cc: dfaure, thiago, ossi, plasma-devel, jraleigh, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart