#0 0x00007ffff4564ff9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007fffded88f0f in LinuxSampler::Condition::WaitIf(bool, long, long) () from /usr/lib64/linuxsampler/liblinuxsampler.so.3 #2 0x00007fffded89e94 in LinuxSampler::Thread::StopThread() () from /usr/lib64/linuxsampler/liblinuxsampler.so.3 #3 0x00007fffded44db6 in LinuxSampler::PluginGlobal::~PluginGlobal() () from /usr/lib64/linuxsampler/liblinuxsampler.so.3 #4 0x00007fffded44cc5 in LinuxSampler::Plugin::~Plugin() () from /usr/lib64/linuxsampler/liblinuxsampler.so.3 #5 0x00007fffe429d5d3 in (anonymous namespace)::PluginLv2::~PluginLv2() () from /usr/lib64/lv2/linuxsampler.lv2/linuxsampler.so #6 0x00007ffff60acdc3 in slv2_instance_free () from /usr/lib/libslv2.so.9 #7 0x000000000048e3fb in qtractorLv2Plugin::setChannels (this=0x24850b0, iChannels=2) at src/qtractorLv2Plugin.cpp:578 #8 0x00000000004fb6d9 in qtractorPluginList::setBuffer (this=0xc34250, iChannels=2, iBufferSize=128, iSampleRate=48000, iFlags=1) at src/qtractorPlugin.cpp:1120 #9 0x000000000051fe14 in qtractorTrack::open (this=0xb0f480) at src/qtractorTrack.cpp:268 #10 0x000000000050bd44 in qtractorSession::insertTrack (this=0x9de510, pTrack=0xb0f480, pPrevTrack=0x0) at src/qtractorSession.cpp:790 #11 0x00000000005259d2 in qtractorTrackCommand::addTrack (this=0xc698d0) at src/qtractorTrackCommand.cpp:81 #12 0x0000000000525d1e in qtractorAddTrackCommand::redo (this=0xc698d0) at src/qtractorTrackCommand.cpp:169 #13 0x000000000045eff6 in qtractorCommandList::exec(qtractorCommand*) () #14 0x000000000050abde in qtractorSession::execute (this=0x9de510, pCommand=0xc698d0) at src/qtractorSession.cpp:279 #15 0x0000000000548d98 in qtractorTracks::addTrack (this=0xb75aa0) at src/qtractorTracks.cpp:1562 #16 0x00000000005834b5 in qtractorMainForm::trackAdd (this=0x7fffffffd270) at src/qtractorMainForm.cpp:2368 #17 0x000000000062c0ef in qtractorMainForm::qt_metacall(QMetaObject::Call, int, void**) () #18 0x00007ffff4fe601f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/qt4/libQtCore.so.4 #19 0x00007ffff549b062 in QAction::triggered(bool) () from /usr/lib64/qt4/libQtGui.so.4 #20 0x00007ffff549ce6b in QAction::activate(QAction::ActionEvent) () from /usr/lib64/qt4/libQtGui.so.4 #21 0x00007ffff58685bb in QMenuPrivate::activateCausedStack(QList > const&, QAction*, QAction::ActionEvent, bool) () from /usr/lib64/qt4/libQtGui.so.4 #22 0x00007ffff586bb83 in QMenuPrivate::activateAction(QAction*, QAction::ActionEvent, bool) () from /usr/lib64/qt4/libQtGui.so.4 #23 0x00007ffff54f5801 in QWidget::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #24 0x00007ffff586df6b in QMenu::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #25 0x00007ffff54a04ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #26 0x00007ffff54a82aa in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #27 0x00007ffff4fd332b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4 #28 0x00007ffff54a7306 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) () from /usr/lib64/qt4/libQtGui.so.4 #29 0x00007ffff5518cc5 in QETWidget::translateMouseEvent(_XEvent const*) () from /usr/lib64/qt4/libQtGui.so.4 #30 0x00007ffff5517a2a in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #31 0x00007ffff553de34 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/qt4/libQtGui.so.4 #32 0x00007ffff47b14cd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #33 0x00007ffff47b4e88 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0 #34 0x00007ffff47b4fb0 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #35 0x00007ffff4ffc6e3 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib64/qt4/libQtCore.so.4 #36 0x00007ffff553d74e in QGuiEventDispatcherGlib::processEvents(QFlags) () from /usr/lib64/qt4/libQtGui.so.4 #37 0x00007ffff4fd1c82 in QEventLoop::processEvents(QFlags) () from /usr/lib64/qt4/libQtCore.so.4 #38 0x00007ffff4fd2054 in QEventLoop::exec(QFlags) () from /usr/lib64/qt4/libQtCore.so.4 #39 0x00007ffff586aa78 in QMenu::exec(QPoint const&, QAction*) () from /usr/lib64/qt4/libQtGui.so.4 #40 0x000000000052ecae in qtractorTrackList::contextMenuEvent (this=0xb75950, pContextMenuEvent=0x7fffffffc6d0) at src/qtractorTrackList.cpp:839 #41 0x00007ffff54f53ef in QWidget::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #42 0x00007ffff582fbd6 in QFrame::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #43 0x00007ffff4fd2766 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4 #44 0x00007ffff54a04bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #45 0x00007ffff54a956d in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #46 0x00007ffff4fd332b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4 #47 0x00007ffff5518e57 in QETWidget::translateMouseEvent(_XEvent const*) () from /usr/lib64/qt4/libQtGui.so.4 #48 0x00007ffff5517a2a in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #49 0x00007ffff553de34 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/qt4/libQtGui.so.4