(gdb) r
Starting program: /home/astahl/Qt/Tools/QtCreator/bin/qtcreator 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffece23700 (LWP 439)]
[New Thread 0x7fffce2df700 (LWP 443)]
[New Thread 0x7fff4d3a1700 (LWP 447)]
[New Thread 0x7fff4cb8c700 (LWP 449)]
[New Thread 0x7fff0700d700 (LWP 450)]
[New Thread 0x7fff0553a700 (LWP 479)]
[New Thread 0x7ffeff49e700 (LWP 549)]
[New Thread 0x7ffefec9d700 (LWP 561)]
[Thread 0x7ffeff49e700 (LWP 549) exited]
[Thread 0x7fff0553a700 (LWP 479) exited]
[Thread 0x7ffefec9d700 (LWP 561) exited]
[New Thread 0x7ffefec9d700 (LWP 1970)]
[Thread 0x7ffefec9d700 (LWP 1970) exited]
[New Thread 0x7ffefec9d700 (LWP 2204)]
[New Thread 0x7fff0553a700 (LWP 2207)]
[Thread 0x7fff0553a700 (LWP 2207) exited]
[Thread 0x7ffefec9d700 (LWP 2204) exited]
[New Thread 0x7ffefec9d700 (LWP 2784)]
[Thread 0x7ffefec9d700 (LWP 2784) exited]
[New Thread 0x7ffefec9d700 (LWP 3455)]
[Thread 0x7ffefec9d700 (LWP 3455) exited]
[New Thread 0x7ffefec9d700 (LWP 3959)]
[New Thread 0x7fff0553a700 (LWP 3960)]
[New Thread 0x7ffeff49e700 (LWP 3961)]
[New Thread 0x7ffefe49c700 (LWP 3962)]
[New Thread 0x7ffefdc9b700 (LWP 3963)]
[Thread 0x7ffeff49e700 (LWP 3961) exited]
[Thread 0x7ffefdc9b700 (LWP 3963) exited]
[Thread 0x7fff0553a700 (LWP 3960) exited]
[Thread 0x7ffefe49c700 (LWP 3962) exited]
[Thread 0x7ffefec9d700 (LWP 3959) exited]
[New Thread 0x7ffefec9d700 (LWP 5025)]
[Thread 0x7ffefec9d700 (LWP 5025) exited]
[New Thread 0x7ffefec9d700 (LWP 6996)]
[New Thread 0x7ffefe49c700 (LWP 6997)]
[New Thread 0x7fff0553a700 (LWP 6998)]
[New Thread 0x7ffefdc9b700 (LWP 6999)]
[New Thread 0x7ffeff49e700 (LWP 7000)]
[New Thread 0x7ffefd49a700 (LWP 7001)]
[New Thread 0x7ffefcc99700 (LWP 7002)]
[New Thread 0x7ffee3fff700 (LWP 7003)]
[New Thread 0x7ffee37fe700 (LWP 7004)]
[Thread 0x7ffeff49e700 (LWP 7000) exited]
[Thread 0x7ffefcc99700 (LWP 7002) exited]
[Thread 0x7fff0553a700 (LWP 6998) exited]
[Thread 0x7ffee3fff700 (LWP 7003) exited]
[Thread 0x7ffee37fe700 (LWP 7004) exited]
[Thread 0x7ffefdc9b700 (LWP 6999) exited]
[Thread 0x7ffefd49a700 (LWP 7001) exited]
[Thread 0x7ffefe49c700 (LWP 6997) exited]
[Thread 0x7ffefec9d700 (LWP 6996) exited]

Program received signal SIGSEGV, Segmentation fault.
0x00007fffee46aedc in QXcbScreen::mapFromNative(QPoint const&) const () from /home/astahl/Qt/Tools/QtCreator/bin/plugins/platforms/../../../lib/qtcreator/libQt5XcbQpa.so.5
(gdb) bt
#0  0x00007fffee46aedc in QXcbScreen::mapFromNative(QPoint const&) const ()
   from /home/astahl/Qt/Tools/QtCreator/bin/plugins/platforms/../../../lib/qtcreator/libQt5XcbQpa.so.5
#1  0x00007fffee472145 in QXcbWindow::handleButtonPressEvent(int, int, int, int, int, QFlags<Qt::KeyboardModifier>, unsigned int) ()
   from /home/astahl/Qt/Tools/QtCreator/bin/plugins/platforms/../../../lib/qtcreator/libQt5XcbQpa.so.5
#2  0x00007fffee47265e in QXcbWindow::handleXIMouseEvent(xcb_ge_event_t*) ()
   from /home/astahl/Qt/Tools/QtCreator/bin/plugins/platforms/../../../lib/qtcreator/libQt5XcbQpa.so.5
#3  0x00007fffee484bf1 in QXcbConnection::xi2HandleEvent(xcb_ge_event_t*) ()
   from /home/astahl/Qt/Tools/QtCreator/bin/plugins/platforms/../../../lib/qtcreator/libQt5XcbQpa.so.5
#4  0x00007fffee45dcb7 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) ()
   from /home/astahl/Qt/Tools/QtCreator/bin/plugins/platforms/../../../lib/qtcreator/libQt5XcbQpa.so.5
#5  0x00007fffee45fa3b in QXcbConnection::processXcbEvents() () from /home/astahl/Qt/Tools/QtCreator/bin/plugins/platforms/../../../lib/qtcreator/libQt5XcbQpa.so.5
#6  0x00007ffff5b97402 in QObject::event(QEvent*) () from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#7  0x00007ffff6ee34dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Widgets.so.5
#8  0x00007ffff6ee8640 in QApplication::notify(QObject*, QEvent*) () from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Widgets.so.5
#9  0x00007ffff5b686a3 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#10 0x00007ffff5b6a913 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#11 0x00007ffff5bbd6f3 in ?? () from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#12 0x00007ffff3148c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff3148f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff3148fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff5bbdafc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#16 0x00007ffff5b66252 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#17 0x00007ffff5b6dd3d in QCoreApplication::exec() () from /home/astahl/Qt/Tools/QtCreator/bin/../lib/qtcreator/libQt5Core.so.5
#18 0x00000000004099c8 in ?? ()
#19 0x00007ffff4873b45 in __libc_start_main (main=0x406670, argc=1, argv=0x7fffffffe348, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fffffffe338) at libc-start.c:287
#20 0x0000000000409cd5 in ?? ()
#21 0x00007fffffffe338 in ?? ()
#22 0x000000000000001c in ?? ()
#23 0x0000000000000001 in ?? ()
#24 0x00007fffffffe5ef in ?? ()
#25 0x0000000000000000 in ?? ()
(gdb)