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Reading symbols from /unfa/Projects/LMMS/Source/lmms/InstallPrefix/bin/lmms...done.
Starting program: /unfa/Projects/LMMS/Source/lmms/InstallPrefix/bin/lmms ''
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffde5a5700 (LWP 3341)]
[New Thread 0x7fffddda4700 (LWP 3342)]
[New Thread 0x7fffdd5a3700 (LWP 3343)]
[New Thread 0x7fffc1998700 (LWP 3344)]
[New Thread 0x7fffae3c1700 (LWP 3345)]
[New Thread 0x7fffad9f0700 (LWP 3348)]
[New Thread 0x7fffad1ef700 (LWP 3349)]
[New Thread 0x7fffdc189700 (LWP 3350)]
[Thread 0x7fffdc189700 (LWP 3350) exited]
[New Thread 0x7fffde789700 (LWP 3357)]

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
#0  0x0000000000000000 in ?? ()
#1  0x00007ffff69751af in QObject::~QObject() ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x000000000061e912 in Engine::~Engine (this=0xa93d430,
    __in_chrg=<optimized out>)
    at /unfa/Projects/LMMS/Source/lmms/build/src/../../include/Engine.h:45
#3  0x00007fff94f78e39 in NulEngine::~NulEngine (this=0xa93d400,
    __in_chrg=<optimized out>, __vtt_parm=<optimized out>)
    at /unfa/Projects/LMMS/Source/lmms/plugins/zynaddsubfx/zynaddsubfx/src/Nio/NulEngine.cpp:76
#4  0x00007fff94f2c367 in LocalZynAddSubFx::~LocalZynAddSubFx (this=0xa93d230,
    __in_chrg=<optimized out>)
    at /unfa/Projects/LMMS/Source/lmms/plugins/zynaddsubfx/LocalZynAddSubFx.cpp:92
#5  0x00007fff94cf37c9 in ZynAddSubFxInstrument::initPlugin (this=this@entry=
    0x7fffead9aa60)
    at /unfa/Projects/LMMS/Source/lmms/plugins/zynaddsubfx/ZynAddSubFx.cpp:425
#6  0x00007fff94cf8579 in ZynAddSubFxInstrument::reloadPlugin (
    this=this@entry=0x7fffead9aa60)
    at /unfa/Projects/LMMS/Source/lmms/plugins/zynaddsubfx/ZynAddSubFx.cpp:379
#7  0x00007fff94cf85f3 in ZynAddSubFxView::toggleUI (this=0x2150bd0)
    at /unfa/Projects/LMMS/Source/lmms/plugins/zynaddsubfx/ZynAddSubFx.cpp:641
#8  0x00007ffff697087a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007ffff77211b2 in QAbstractButton::toggled(bool) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#10 0x00007ffff7485f78 in QAbstractButton::setChecked(bool) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#11 0x00007ffff7485b92 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#12 0x00007ffff7485cbc in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x00007ffff712251a in QWidget::event(QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007ffff70d2e2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#15 0x00007ffff70d95dd in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#16 0x00007ffff695c4dd in QCoreApplication::notifyInternal(QObject*, QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007ffff70d8d93 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#18 0x00007ffff714d9eb in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#19 0x00007ffff714d289 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#20 0x00007ffff7174b32 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#21 0x00007ffff39fde04 in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ffff39fe048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007ffff39fe0ec in g_main_context_iteration ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007ffff69897a1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x00007ffff7174be6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#26 0x00007ffff695b0af in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#27 0x00007ffff695b3a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#28 0x00007ffff6960b79 in QCoreApplication::exec() ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#29 0x00000000004d4933 in main (argc=2, argv=0x7fffffffe228)
    at /unfa/Projects/LMMS/Source/lmms/src/core/main.cpp:670
(gdb)