Error: *** Break *** segmentation violation (Geant4)

Hi everyone,

As a new user of root, i am having trouble in finding what is wrong with my system. By the way, i have included the root binaries in my GATE(Geant4) compilation on Ubuntu 14. The root version is 5.34.34. As i run a simulation using GATE, i got the error as stated below:

I really need some guide one this. Thank you in advanced.

[Acquisition-0] Slice 0 from 0 to 100 s [slice=100 s], final stop at 100 s.
[Acquisition-0] Slice 1 from 100 to 100 s [slice=0 s], final stop at 100 s.
[Acquisition-0] Slice 2 from 100 to 0 s [slice=1.97626e-323 s], final stop at 100 s.
GateApplicationMgr.cc (l.218): Error in GateApplicationMgr::GetTimeSlice, run=2


 *** Break *** segmentation violation



===========================================================
There was a crash.
This is the entire stack trace of all threads:
===========================================================

Thread 6 (Thread 0x7f1671e07700 (LWP 11117)):
#0  0x00007f1680db4fdd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f167875cb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f167875e64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1675030729 in ?? ()
#4  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f16682f4700 (LWP 11118)):
#0  0x00007f1680db4fdd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1679df8fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1679df90ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f16682fc1ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007f1679e1df05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1685b21184 in start_thread (arg=0x7f16682f4700) at pthread_create.c:312
#6  0x00007f1680dc237d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f16678e1700 (LWP 11119)):
#0  0x00007f1680db4fdd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1679df8fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1679df930a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f166b616336 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f1679e1df05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1685b21184 in start_thread (arg=0x7f16678e1700) at pthread_create.c:312
#6  0x00007f1680dc237d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f1665fc1700 (LWP 11121)):
#0  0x00007f1680db4fdd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1679df8fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1679df90ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1679df9129 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1679e1df05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1685b21184 in start_thread (arg=0x7f1665fc1700) at pthread_create.c:312
#6  0x00007f1680dc237d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f16657c0700 (LWP 11180)):
#0  0x00007f1680db9c53 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f167f3305b1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f167f1b1233 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f1685b21184 in start_thread (arg=0x7f16657c0700) at pthread_create.c:312
#4  0x00007f1680dc237d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f16895449c0 (LWP 11116)):
#0  0x00007f1680d88a59 in __libc_waitpid (pid=14143, stat_loc=stat_loc
entry=0x7ffdb3c84b80, options=options
entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:40
#1  0x00007f1680d0e232 in do_system (line=<optimized out>) at ../sysdeps/posix/system.c:148
#2  0x00007f1687677973 in TUnixSystem::StackTrace() () from /home/parimalah/root_v5/lib/libCore.so
#3  0x00007f168767959c in TUnixSystem::DispatchSignals(ESignals) () from /home/parimalah/root_v5/lib/libCore.so
#4  <signal handler called>
#5  0x00007f167f1af6f6 in QThreadStorageData::get() const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f167f91a239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007f167f91a336 in QFontPrivate::engineForScript(int) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007f167f944847 in QTextEngine::fontEngine(QScriptItem const&, QFixed*, QFixed*, QFixed*) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007f167f945713 in QTextEngine::shapeText(int) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007f167f9461e5 in QTextEngine::shape(int) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f167f958882 in QTextLine::layout_helper(int) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007f167f959abb in QTextLine::setLineWidth(double) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f167f98b225 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007f167f9900c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f167f98e92c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f167f98efdb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f167f993da0 in QTextDocumentLayout::doLayout(int, int, int) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f167f9958bd in QTextDocumentLayout::documentChanged(int, int, int) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f167f9757ea in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f168010dccb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f16800edc89 in QTextEdit::append(QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f168838d954 in G4UIQt::ReceiveG4cout(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#23 0x00007f1681dccec2 in G4strstreambuf::sync() () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#24 0x00007f168163cfee in std::ostream::flush() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#25 0x00007f168259e45c in G4PhysicalVolumeStore::~G4PhysicalVolumeStore() () from /home/parimalah/geant4.4.10/install/lib/libG4geometry.so
#26 0x00007f1680d041a9 in __run_exit_handlers (status=-1, listp=0x7f16810866c8 <__exit_funcs>, run_list_atexit=run_list_atexit
entry=true) at exit.c:82
#27 0x00007f1680d041f5 in __GI_exit (status=<optimized out>) at exit.c:104
#28 0x0000000000861e15 in GateApplicationMgr::GetEndTimeSlice(int) ()
#29 0x00000000008107ec in GateSourceMgr::PrepareNextRun(G4Run const*) ()
#30 0x00000000008aa3dc in GatePrimaryGeneratorAction::GenerateSimulationPrimaries(G4Event*) ()
#31 0x00000000008aa5f5 in GatePrimaryGeneratorAction::GeneratePrimaries(G4Event*) ()
#32 0x00007f1684df0abc in G4RunManager::GenerateEvent(int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#33 0x00007f1684decd24 in G4RunManager::ProcessOneEvent(int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#34 0x00007f1684deb653 in G4RunManager::DoEventLoop(int, char const*, int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#35 0x00007f1684deb44e in G4RunManager::BeamOn(int, char const*, int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#36 0x0000000000864949 in GateApplicationMgr::StartDAQ() ()
#37 0x00000000008682d8 in GateApplicationMgrMessenger::SetNewValue(G4UIcommand*, G4String) ()
#38 0x00007f1681db1cd5 in G4UIcommand::DoIt(G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#39 0x00007f1681dc9a88 in G4UImanager::ApplyCommand(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#40 0x00007f1681da21f7 in G4UIbatch::ExecCommand(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#41 0x00007f1681da37fb in G4UIbatch::SessionStart() () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#42 0x00007f1681dc5013 in G4UImanager::ExecuteMacroFile(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#43 0x00007f1681dbbaa9 in G4UIcontrolMessenger::SetNewValue(G4UIcommand*, G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#44 0x00007f1681db1cd5 in G4UIcommand::DoIt(G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#45 0x00007f1681dc9a88 in G4UImanager::ApplyCommand(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#46 0x00007f1681da21f7 in G4UIbatch::ExecCommand(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#47 0x00007f1681da37fb in G4UIbatch::SessionStart() () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#48 0x00007f1681dc5013 in G4UImanager::ExecuteMacroFile(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#49 0x00007f1681dbbaa9 in G4UIcontrolMessenger::SetNewValue(G4UIcommand*, G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#50 0x00007f1681db1cd5 in G4UIcommand::DoIt(G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#51 0x00007f1681dc9a88 in G4UImanager::ApplyCommand(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#52 0x00007f168839cd8e in G4VBasicShell::ExecuteCommand(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#53 0x00007f16883a1712 in G4VBasicShell::ApplyShellCommand(G4String const&, bool&, bool&) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#54 0x00007f168838ffb3 in G4UIQt::CommandEnteredCallback() () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#55 0x00007f1688398a65 in G4UIQt::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#56 0x00007f167f3ad2a6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f16800936c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007f167f3ad2a6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#59 0x00007f1680119f7c in QWidgetLineControl::processKeyEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#60 0x00007f168008f57a in QLineEdit::keyPressEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#61 0x00007f167ff86d9e in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007f1680095665 in QLineEdit::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#63 0x00007f167ff4bc8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#64 0x00007f167ff517f9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#65 0x00007f167f385c2d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#66 0x00007f167ffa59a3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007f167ff4bc8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#68 0x00007f167ff50e56 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#69 0x00007f167f385c2d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#70 0x00007f167f8a233b in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#71 0x00007f167f8a6905 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#72 0x00007f167f88f858 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#73 0x00007f16750515b0 in ?? ()
#74 0x0000000000000000 in ?? ()
===========================================================


The lines below might hint at the cause of the crash.
If they do not help you then please submit a bug report at
http://root.cern.ch/bugs. Please post the ENTIRE stack trace
from above as an attachment in addition to anything else
that might help us fixing this issue.
===========================================================
#5  0x00007f167f1af6f6 in QThreadStorageData::get() const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f167f91a239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007f167f91a336 in QFontPrivate::engineForScript(int) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007f167f944847 in QTextEngine::fontEngine(QScriptItem const&, QFixed*, QFixed*, QFixed*) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007f167f945713 in QTextEngine::shapeText(int) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007f167f9461e5 in QTextEngine::shape(int) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f167f958882 in QTextLine::layout_helper(int) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007f167f959abb in QTextLine::setLineWidth(double) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f167f98b225 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007f167f9900c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f167f98e92c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f167f98efdb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f167f993da0 in QTextDocumentLayout::doLayout(int, int, int) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f167f9958bd in QTextDocumentLayout::documentChanged(int, int, int) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f167f9757ea in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f168010dccb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f16800edc89 in QTextEdit::append(QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f168838d954 in G4UIQt::ReceiveG4cout(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#23 0x00007f1681dccec2 in G4strstreambuf::sync() () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#24 0x00007f168163cfee in std::ostream::flush() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#25 0x00007f168259e45c in G4PhysicalVolumeStore::~G4PhysicalVolumeStore() () from /home/parimalah/geant4.4.10/install/lib/libG4geometry.so
#26 0x00007f1680d041a9 in __run_exit_handlers (status=-1, listp=0x7f16810866c8 <__exit_funcs>, run_list_atexit=run_list_atexit
entry=true) at exit.c:82
#27 0x00007f1680d041f5 in __GI_exit (status=<optimized out>) at exit.c:104
#28 0x0000000000861e15 in GateApplicationMgr::GetEndTimeSlice(int) ()
#29 0x00000000008107ec in GateSourceMgr::PrepareNextRun(G4Run const*) ()
#30 0x00000000008aa3dc in GatePrimaryGeneratorAction::GenerateSimulationPrimaries(G4Event*) ()
#31 0x00000000008aa5f5 in GatePrimaryGeneratorAction::GeneratePrimaries(G4Event*) ()
#32 0x00007f1684df0abc in G4RunManager::GenerateEvent(int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#33 0x00007f1684decd24 in G4RunManager::ProcessOneEvent(int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#34 0x00007f1684deb653 in G4RunManager::DoEventLoop(int, char const*, int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#35 0x00007f1684deb44e in G4RunManager::BeamOn(int, char const*, int) () from /home/parimalah/geant4.4.10/install/lib/libG4run.so
#36 0x0000000000864949 in GateApplicationMgr::StartDAQ() ()
#37 0x00000000008682d8 in GateApplicationMgrMessenger::SetNewValue(G4UIcommand*, G4String) ()
#38 0x00007f1681db1cd5 in G4UIcommand::DoIt(G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#39 0x00007f1681dc9a88 in G4UImanager::ApplyCommand(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#40 0x00007f1681da21f7 in G4UIbatch::ExecCommand(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#41 0x00007f1681da37fb in G4UIbatch::SessionStart() () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#42 0x00007f1681dc5013 in G4UImanager::ExecuteMacroFile(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#43 0x00007f1681dbbaa9 in G4UIcontrolMessenger::SetNewValue(G4UIcommand*, G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#44 0x00007f1681db1cd5 in G4UIcommand::DoIt(G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#45 0x00007f1681dc9a88 in G4UImanager::ApplyCommand(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#46 0x00007f1681da21f7 in G4UIbatch::ExecCommand(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#47 0x00007f1681da37fb in G4UIbatch::SessionStart() () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#48 0x00007f1681dc5013 in G4UImanager::ExecuteMacroFile(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#49 0x00007f1681dbbaa9 in G4UIcontrolMessenger::SetNewValue(G4UIcommand*, G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#50 0x00007f1681db1cd5 in G4UIcommand::DoIt(G4String) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#51 0x00007f1681dc9a88 in G4UImanager::ApplyCommand(char const*) () from /home/parimalah/geant4.4.10/install/lib/libG4intercoms.so
#52 0x00007f168839cd8e in G4VBasicShell::ExecuteCommand(G4String const&) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#53 0x00007f16883a1712 in G4VBasicShell::ApplyShellCommand(G4String const&, bool&, bool&) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#54 0x00007f168838ffb3 in G4UIQt::CommandEnteredCallback() () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#55 0x00007f1688398a65 in G4UIQt::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /home/parimalah/geant4.4.10/install/lib/libG4interfaces.so
#56 0x00007f167f3ad2a6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f16800936c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007f167f3ad2a6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#59 0x00007f1680119f7c in QWidgetLineControl::processKeyEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#60 0x00007f168008f57a in QLineEdit::keyPressEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#61 0x00007f167ff86d9e in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007f1680095665 in QLineEdit::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#63 0x00007f167ff4bc8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#64 0x00007f167ff517f9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#65 0x00007f167f385c2d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#66 0x00007f167ffa59a3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007f167ff4bc8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#68 0x00007f167ff50e56 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#69 0x00007f167f385c2d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#70 0x00007f167f8a233b in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#71 0x00007f167f8a6905 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#72 0x00007f167f88f858 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#73 0x00007f16750515b0 in ?? ()
#74 0x0000000000000000 in ?? ()

Hi,

this looks like a question for the G4 hypernews.

Cheers,
D