#0  0x00007ffff7826418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007ffff782801a in __GI_abort () at abort.c:89
#2  0x00007ffff558832f in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1648
#3  0x00007ffff5584382 in QMessageLogger::fatal (this=0x7fffffffd170, msg=0x7fffed3c9e42 "xxx") at global/qlogging.cpp:790
#4  0x00007fffed0474e9 in QDialogButtonBoxPrivate::createButton (this=0xf1a120, sbutton=81920, doLayout=true)
    at widgets/qdialogbuttonbox.cpp:413
#5  0x00007fffed0481d7 in QDialogButtonBox::addButton (this=0xf191d0, button=81920) at widgets/qdialogbuttonbox.cpp:798
#6  0x00007fffed19722b in QMessageBox::addButton (this=0x7fffffffd2a0, button=81920) at dialogs/qmessagebox.cpp:893
#7  0x00007fffed19934b in QMessageBoxPrivate::addOldButtons (this=0xf19300, button0=81920, button1=0, button2=0)
    at dialogs/qmessagebox.cpp:2004
#8  0x00007fffed199518 in QMessageBoxPrivate::showOldMessageBox (parent=0x0, icon=QMessageBox::Question, title=..., 
    text=..., button0=81920, button1=0, button2=0) at dialogs/qmessagebox.cpp:2029
#9  0x00007fffed1999ef in QMessageBox::question (parent=0x0, title=..., text=..., button0=81920, button1=0, button2=0)
    at dialogs/qmessagebox.cpp:2259
#10 0x00007fffed9cbbc2 in Sbk_QMessageBoxFunc_question ()
   from /data1/fkleint/testenv2/local/lib/python2.7/site-packages/PySide2/QtWidgets.x86_64-linux-gnu.so
#11 0x00000000004c4d5a in PyEval_EvalFrameEx ()
#12 0x00000000004c2e05 in PyEval_EvalCodeEx ()
#13 0x00000000004c2ba9 in PyEval_EvalCode ()
#14 0x00000000004f20ef in ?? ()
#15 0x00000000004eca72 in PyRun_FileExFlags ()
#16 0x00000000004eb1f1 in PyRun_SimpleFileExFlags ()
#17 0x000000000049e18a in Py_Main ()
#18 0x00007ffff7811830 in __libc_start_main (main=0x49daf0 <main>, argc=2, argv=0x7fffffffd9b8, init=<optimized out>, 
    fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffd9a8) at ../csu/libc-start.c:291
#19 0x000000000049da19 in _start ()