https://bugs.kde.org/show_bug.cgi?id=408742
--- Comment #8 from 1238...@gmail.com --- Here is the backtrace for the crash. I notice it happens more regularly it editing the lesson Description field. Application: Typewriting Trainer (ktouch), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7f873eff3040 (LWP 6350))] Thread 5 (Thread 0x7f872aac8700 (LWP 6357)): #0 0x00007f8742ec63c5 in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f874348fcf0 in QWaitConditionPrivate::wait (deadline=..., this=0x55a63b07afd0) at thread/qwaitcondition_unix.cpp:146 #2 QWaitCondition::wait (this=<optimized out>, mutex=0x55a63b07c2c0, deadline=...) at thread/qwaitcondition_unix.cpp:225 #3 0x00007f874348fde2 in QWaitCondition::wait (this=0x55a63b07c2c8, mutex=0x55a63b07c2c0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68 #4 0x00007f874472f4cd in ?? () from /usr/lib/libQt5Quick.so.5 #5 0x00007f874472f73c in ?? () from /usr/lib/libQt5Quick.so.5 #6 0x00007f8743489bf0 in QThreadPrivate::start (arg=0x55a63b07c240) at thread/qthread_unix.cpp:361 #7 0x00007f8742ec057f in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f8742fd3f13 in clone () from /usr/lib/libc.so.6 Thread 4 (Thread 0x7f872bfff700 (LWP 6355)): #0 0x00007f87402c3bb7 in ?? () from /usr/lib/libglib-2.0.so.0 #1 0x00007f87402c3d9f in g_main_context_check () from /usr/lib/libglib-2.0.so.0 #2 0x00007f87402c5766 in ?? () from /usr/lib/libglib-2.0.so.0 #3 0x00007f87402c58ae in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #4 0x00007f87436a627c in QEventDispatcherGlib::processEvents (this=0x7f8724000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #5 0x00007f874364d3ac in QEventLoop::exec (this=this@entry=0x7f872bffed80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140 #6 0x00007f87434889c5 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120 #7 0x00007f87443da969 in ?? () from /usr/lib/libQt5Qml.so.5 #8 0x00007f8743489bf0 in QThreadPrivate::start (arg=0x55a63a6a2d80) at thread/qthread_unix.cpp:361 #9 0x00007f8742ec057f in start_thread () from /usr/lib/libpthread.so.0 #10 0x00007f8742fd3f13 in clone () from /usr/lib/libc.so.6 Thread 3 (Thread 0x7f8737fff700 (LWP 6354)): #0 0x00007f87402733a9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0 #1 0x00007f87402c4ee8 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0 #2 0x00007f87402c56e6 in ?? () from /usr/lib/libglib-2.0.so.0 #3 0x00007f87402c58ae in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #4 0x00007f87436a627c in QEventDispatcherGlib::processEvents (this=0x7f872c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #5 0x00007f874364d3ac in QEventLoop::exec (this=this@entry=0x7f8737ffeda0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140 #6 0x00007f87434889c5 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120 #7 0x00007f8743489bf0 in QThreadPrivate::start (arg=0x55a63a681ec0) at thread/qthread_unix.cpp:361 #8 0x00007f8742ec057f in start_thread () from /usr/lib/libpthread.so.0 #9 0x00007f8742fd3f13 in clone () from /usr/lib/libc.so.6 Thread 2 (Thread 0x7f873c89d700 (LWP 6353)): #0 0x00007f8740273414 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0 #1 0x00007f87402c58b9 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #2 0x00007f87436a627c in QEventDispatcherGlib::processEvents (this=0x7f8730000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #3 0x00007f874364d3ac in QEventLoop::exec (this=this@entry=0x7f873c89cd70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140 #4 0x00007f87434889c5 in QThread::exec (this=this@entry=0x7f8742c67080 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120 #5 0x00007f8742be3b37 in QDBusConnectionManager::run (this=0x7f8742c67080 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178 #6 0x00007f8743489bf0 in QThreadPrivate::start (arg=0x7f8742c67080 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:361 #7 0x00007f8742ec057f in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f8742fd3f13 in clone () from /usr/lib/libc.so.6 Thread 1 (Thread 0x7f873eff3040 (LWP 6350)): [KCrash Handler] #6 0x00007f8744327702 in QQmlData::isSignalConnected(QAbstractDeclarativeData*, QObject const*, int) () from /usr/lib/libQt5Qml.so.5 #7 0x00007f8743679b9a in QObjectPrivate::isDeclarativeSignalConnected (signal_index=7, this=<optimized out>) at kernel/qobject_p.h:110 #8 QMetaObject::activate (sender=0x55a63b83d5f0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3669 #9 0x000055a63a1dd6e7 in CourseEditor::setLessonText (this=this@entry=0x55a63b129580, newText=...) at /usr/src/debug/ktouch-19.04.2/src/editor/courseeditor.cpp:233 #10 0x000055a63a1dd85f in CourseEditor::onLessonTextChanged (this=0x55a63b129580) at /usr/src/debug/ktouch-19.04.2/src/editor/courseeditor.cpp:342 #11 CourseEditor::onLessonTextChanged (this=0x55a63b129580) at /usr/src/debug/ktouch-19.04.2/src/editor/courseeditor.cpp:333 #12 0x00007f874367a460 in QtPrivate::QSlotObjectBase::call (a=0x7ffc77b70b10, r=0x55a63b129580, this=0x55a63b6976c0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394 #13 QMetaObject::activate (sender=0x55a63b67b380, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3781 #14 0x00007f8744e1da25 in QTextEdit::qt_static_metacall (_o=0x55a63b67b380, _c=<optimized out>, _id=<optimized out>, _a=0x7ffc77b70c60) at .moc/moc_qtextedit.cpp:325 #15 0x00007f874367a2f9 in QMetaObject::activate (sender=0x55a63b67fec0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3801 #16 0x00007f8744e444f1 in QWidgetTextControl::qt_static_metacall (_o=_o@entry=0x55a63b67fec0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=0, _a=_a@entry=0x7ffc77b70de0) at .moc/moc_qwidgettextcontrol_p.cpp:256 #17 0x00007f8744e448e3 in QWidgetTextControl::qt_metacall (this=0x55a63b67fec0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7ffc77b70de0) at .moc/moc_qwidgettextcontrol_p.cpp:471 #18 0x00007f874367a3bd in QMetaObject::activate (sender=0x55a63b67ff10, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3819 #19 0x00007f8743c045fe in QTextDocumentPrivate::finishEdit (this=0x55a63b67ff70) at text/qtextdocument_p.cpp:1246 #20 0x00007f8743c049c8 in QTextDocumentPrivate::endEditBlock (this=<optimized out>) at text/qtextdocument_p.cpp:1201 #21 QTextDocumentPrivate::endEditBlock (this=<optimized out>) at text/qtextdocument_p.cpp:1184 #22 0x00007f8743c4aa4e in QSyntaxHighlighter::setDocument (this=this@entry=0x55a63b6790a0, doc=doc@entry=0x0) at text/qsyntaxhighlighter.cpp:341 #23 0x00007f8743c4ac7a in QSyntaxHighlighter::~QSyntaxHighlighter (this=0x55a63b6790a0, __in_chrg=<optimized out>) at text/qsyntaxhighlighter.cpp:323 #24 0x000055a63a192e11 in LessonTextHighlighter::~LessonTextHighlighter (this=0x55a63b6790a0, __in_chrg=<optimized out>) at /usr/include/c++/9.1.0/bits/atomic_base.h:326 #25 LessonTextHighlighter::~LessonTextHighlighter (this=0x55a63b6790a0, __in_chrg=<optimized out>) at /usr/src/debug/build/src/ktouch_autogen/3HAKN7MTYQ/../../../../ktouch-19.04.2/src/editor/lessontexthighlighter.h:25 #26 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b678e60) at kernel/qobject.cpp:2016 #27 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b678de0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #28 0x000055a63a191eee in LessonTextEditor::~LessonTextEditor (this=0x55a63b678de0, __in_chrg=<optimized out>) at /usr/src/debug/ktouch-19.04.2/src/editor/lessontexteditor.h:26 #29 LessonTextEditor::~LessonTextEditor (this=0x55a63b678de0, __in_chrg=<optimized out>) at /usr/src/debug/ktouch-19.04.2/src/editor/lessontexteditor.h:26 #30 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b673bb0) at kernel/qobject.cpp:2016 #31 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b673b70, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #32 0x00007f8744c87cea in QWidget::~QWidget (this=0x55a63b673b70, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1570 #33 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b662460) at kernel/qobject.cpp:2016 #34 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b662420, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #35 0x00007f8744dff7ea in QSplitter::~QSplitter (this=0x55a63b662420, __in_chrg=<optimized out>) at widgets/qsplitter.cpp:972 #36 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b664bb0) at kernel/qobject.cpp:2016 #37 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b662230, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #38 0x00007f8744d8326a in QGroupBox::~QGroupBox (this=0x55a63b662230, __in_chrg=<optimized out>) at widgets/qgroupbox.cpp:201 #39 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b64f8e0) at kernel/qobject.cpp:2016 #40 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b129580, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #41 0x000055a63a19234e in CourseEditor::~CourseEditor (this=0x55a63b129580, __in_chrg=<optimized out>) at /usr/src/debug/build/src/ktouch_autogen/3HAKN7MTYQ/../../../../ktouch-19.04.2/src/editor/courseeditor.h:34 #42 CourseEditor::~CourseEditor (this=0x55a63b129580, __in_chrg=<optimized out>) at /usr/src/debug/build/src/ktouch_autogen/3HAKN7MTYQ/../../../../ktouch-19.04.2/src/editor/courseeditor.h:34 #43 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63a75b3b0) at kernel/qobject.cpp:2016 #44 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b64e960, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #45 0x00007f8744e0062a in QStackedWidget::~QStackedWidget (this=0x55a63b64e960, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:145 #46 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b21f830) at kernel/qobject.cpp:2016 #47 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b648aa0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #48 0x00007f8744dff7ea in QSplitter::~QSplitter (this=0x55a63b648aa0, __in_chrg=<optimized out>) at widgets/qsplitter.cpp:972 #49 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b435d70) at kernel/qobject.cpp:2016 #50 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b622800, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #51 0x000055a63a191d0e in ResourceEditorWidget::~ResourceEditorWidget (this=0x55a63b622800, __in_chrg=<optimized out>) at /usr/src/debug/build/src/ktouch_autogen/3HAKN7MTYQ/../../../../ktouch-19.04.2/src/editor/resourceeditorwidget.h:32 #52 ResourceEditorWidget::~ResourceEditorWidget (this=0x55a63b622800, __in_chrg=<optimized out>) at /usr/src/debug/build/src/ktouch_autogen/3HAKN7MTYQ/../../../../ktouch-19.04.2/src/editor/resourceeditorwidget.h:32 #53 0x00007f874367803e in QObjectPrivate::deleteChildren (this=this@entry=0x55a63b620f00) at kernel/qobject.cpp:2016 #54 0x00007f8744c87ae3 in QWidget::~QWidget (this=0x55a63b620240, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1708 #55 0x00007f874546e6a5 in KMainWindow::~KMainWindow() () from /usr/lib/libKF5XmlGui.so.5 #56 0x000055a63a1d0749 in ResourceEditor::~ResourceEditor (this=0x55a63b620240, __in_chrg=<optimized out>) at /usr/src/debug/ktouch-19.04.2/src/editor/resourceeditor.cpp:122 #57 0x00007f874367ab51 in QObject::event (this=this@entry=0x55a63b620240, e=e@entry=0x55a63c213be0) at kernel/qobject.cpp:1251 #58 0x00007f8744c8c3cf in QWidget::event (this=this@entry=0x55a63b620240, event=event@entry=0x55a63c213be0) at kernel/qwidget.cpp:9397 #59 0x00007f8744da31c5 in QMainWindow::event (this=0x55a63b620240, event=0x55a63c213be0) at widgets/qmainwindow.cpp:1339 #60 0x00007f8745470c2c in KMainWindow::event(QEvent*) () from /usr/lib/libKF5XmlGui.so.5 #61 0x00007f8744c49485 in QApplicationPrivate::notify_helper (this=this@entry=0x55a63a5e42f0, receiver=receiver@entry=0x55a63b620240, e=e@entry=0x55a63c213be0) at kernel/qapplication.cpp:3737 #62 0x00007f8744c529b1 in QApplication::notify (this=0x7ffc77b71d60, receiver=0x55a63b620240, e=0x55a63c213be0) at kernel/qapplication.cpp:3483 #63 0x00007f874364e782 in QCoreApplication::notifyInternal2 (receiver=0x55a63b620240, event=0x55a63c213be0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142 #64 0x00007f8743651459 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55a63a5df250) at kernel/qcoreapplication.cpp:1821 #65 0x00007f87436a6c64 in postEventSourceDispatch (s=0x55a63a653ae0) at kernel/qeventdispatcher_glib.cpp:276 #66 0x00007f87402c390f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #67 0x00007f87402c5869 in ?? () from /usr/lib/libglib-2.0.so.0 #68 0x00007f87402c58ae in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #69 0x00007f87436a6263 in QEventDispatcherGlib::processEvents (this=0x55a63a654df0, flags=...) at kernel/qeventdispatcher_glib.cpp:422 #70 0x00007f874364d3ac in QEventLoop::exec (this=this@entry=0x7ffc77b71c60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140 #71 0x00007f8743655056 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120 #72 0x000055a63a1859cc in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/ktouch-19.04.2/src/main.cpp:130 [Inferior 1 (process 6350) detached] -- You are receiving this mail because: You are watching all bug changes.
