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Starting program: /usr/bin/qtractor
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffd9c91700 (LWP 6507)]
qt5ct: using qt5ct plugin
[New Thread 0x7fffd2642700 (LWP 6508)]
qt5ct: D-Bus global menu: no
[New Thread 0x7fffd1e41700 (LWP 6509)]
[New Thread 0x7fffca784700 (LWP 6510)]
[New Thread 0x7fffc9600700 (LWP 6511)]
[New Thread 0x7fffc8dff700 (LWP 6512)]
[New Thread 0x7fffb3fff700 (LWP 6513)]
[New Thread 0x7fffb37fe700 (LWP 6514)]
[New Thread 0x7fffb2ffd700 (LWP 6515)]
[New Thread 0x7fffb27fc700 (LWP 6516)]
[New Thread 0x7fffd00b2700 (LWP 6517)]
[New Thread 0x7fffc8090700 (LWP 6518)]
[New Thread 0x7fffb1ffb700 (LWP 6519)]
[New Thread 0x7fffc02b0700 (LWP 6520)]
[New Thread 0x7fffb0f1c700 (LWP 6521)]
[New Thread 0x7fff959a0700 (LWP 6522)]
[New Thread 0x7fff9519f700 (LWP 6523)]
[New Thread 0x7fff9499e700 (LWP 6524)]
[Thread 0x7fff9499e700 (LWP 6524) exited]
[Thread 0x7fffc02b0700 (LWP 6520) exited]
[Thread 0x7fffb1ffb700 (LWP 6519) exited]
[Thread 0x7fffc8090700 (LWP 6518) exited]
[Thread 0x7fffd00b2700 (LWP 6517) exited]
[Thread 0x7fff9519f700 (LWP 6523) exited]
[Thread 0x7fff959a0700 (LWP 6522) exited]
[Thread 0x7fffb0f1c700 (LWP 6521) exited]
[New Thread 0x7fffd00b2700 (LWP 6525)]
[New Thread 0x7fffc8090700 (LWP 6526)]
[New Thread 0x7fffb0f1c700 (LWP 6527)]
[New Thread 0x7fff959a0700 (LWP 6528)]
[New Thread 0x7fff9519f700 (LWP 6529)]
[New Thread 0x7fffb1ffb700 (LWP 6530)]
[New Thread 0x7fff702a9700 (LWP 6531)]
[New Thread 0x7fff6faa8700 (LWP 6532)]
[New Thread 0x7fff6f2a7700 (LWP 6533)]
[New Thread 0x7fff6eaa6700 (LWP 6537)]
[New Thread 0x7fff6e2a5700 (LWP 6538)]
[New Thread 0x7fff6d8a1700 (LWP 6539)]
[New Thread 0x7fff6cc55700 (LWP 6540)]
[New Thread 0x7fff56091700 (LWP 6541)]
[New Thread 0x7fff55890700 (LWP 6549)]
[New Thread 0x7fff5508f700 (LWP 6571)]
[Thread 0x7fff5508f700 (LWP 6571) exited]
[Thread 0x7fff55890700 (LWP 6549) exited]
[New Thread 0x7fff55890700 (LWP 6602)]
[New Thread 0x7fff5508f700 (LWP 6603)]
[New Thread 0x7fff4ffff700 (LWP 6604)]
[New Thread 0x7fff4f7fe700 (LWP 6605)]
[New Thread 0x7fff4effd700 (LWP 6606)]
[New Thread 0x7fff4e7fc700 (LWP 6607)]
[New Thread 0x7fff4dffb700 (LWP 6608)]
[New Thread 0x7fff4d7fa700 (LWP 6609)]
[New Thread 0x7fff4cff9700 (LWP 6610)]
[New Thread 0x7fffc02b0700 (LWP 6611)]
[New Thread 0x7fff2bfff700 (LWP 6612)]
[New Thread 0x7fff2b7fe700 (LWP 6613)]

Thread 1 "qtractor" received signal SIGSEGV, Segmentation fault.
0x00005555555e33ac in ?? ()
(gdb)

(gdb) bt
#0 0x00005555555e33ac in ()
#1 0x00005555555e180b in ()
#2 0x000055555564f5b8 in ()
#3 0x0000555555767304 in ()
#4 0x00007ffff3718645 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007ffff37251a3 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007ffff371916b in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007ffff46a383c in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8 0x00007ffff46ab104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9 0x00007ffff36e99c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ffff3741e1e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ffff37425e1 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fffeceb4417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fffeceb4650 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fffeceb46dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff374297f in QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007ffff36e79fa in QEventLoop::exec(QFlags) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007ffff488df17 in QDialog::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
---Type to continue, or q to quit---