[kontact] [Bug 351859] New: Kontact crashed on removing knode and akregator

Sudhir Khanger sudhir at sudhirkhanger.com
Thu Aug 27 15:49:09 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=351859

            Bug ID: 351859
           Summary: Kontact crashed on removing knode and akregator
           Product: kontact
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: sudhir at sudhirkhanger.com

Application: kontact (4.14.9)
KDE Platform Version: 4.14.9
Qt Version: 4.8.6
Operating System: Linux 4.1.5-200.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
- What I was doing when the application crashed: contact crashed after I
removed knode and akregator from the UI.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fab21da9900 (LWP 20577))]

Thread 4 (Thread 0x7faab61f5700 (LWP 20578)):
#0  0x00007fab1c511540 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab20ee7f61 in JSC::BlockAllocator::blockFreeingThreadMain() () at
/lib64/libQtWebKit.so.4
#2  0x00007fab211e66d6 in WTF::wtfThreadEntryPoint(void*) () at
/lib64/libQtWebKit.so.4
#3  0x00007fab1c50c555 in start_thread (arg=0x7faab61f5700) at
pthread_create.c:333
#4  0x00007fab1b231b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7faaa6bdc700 (LWP 20581)):
#0  0x00007fab1b2262fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab18267dbc in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7faaa00013e0, timeout=<optimized out>, context=0x7faaa00009a0) at
gmain.c:4103
#2  0x00007fab18267dbc in g_main_context_iterate
(context=context at entry=0x7faaa00009a0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fab18267ecc in g_main_context_iteration (context=0x7faaa00009a0,
may_block=1) at gmain.c:3869
#4  0x00007fab1bf4a4ee in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQtCore.so.4
#5  0x00007fab1bf18791 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#6  0x00007fab1bf18b05 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#7  0x00007fab1be08289 in QThread::exec() () at /lib64/libQtCore.so.4
#8  0x00007fab1be0aaac in QThreadPrivate::start(void*) () at
/lib64/libQtCore.so.4
#9  0x00007fab1c50c555 in start_thread (arg=0x7faaa6bdc700) at
pthread_create.c:333
#10 0x00007fab1b231b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7faaa48aa700 (LWP 25650)):
#0  0x00007fab1c511540 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0f7c1b5a in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQtScript.so.4
#2  0x00007fab0f7c1b89 in  () at /lib64/libQtScript.so.4
#3  0x00007fab1c50c555 in start_thread (arg=0x7faaa48aa700) at
pthread_create.c:333
#4  0x00007fab1b231b9d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fab21da9900 (LWP 20577)):
[KCrash Handler]
#6  0x00007fab1c903b8b in KLocalePrivate::encodeFileNameUTF8(QString const&) ()
at /lib64/libkdecore.so.5
#7  0x00007fab1be98a0e in QFile::encodeName(QString const&) () at
/lib64/libQtCore.so.4
#8  0x00007fab1beeb03b in QFileSystemEntry::resolveNativeFilePath() const () at
/lib64/libQtCore.so.4
#9  0x00007fab1beeb569 in QFileSystemEntry::isEmpty() const () at
/lib64/libQtCore.so.4
#10 0x00007fab1bee36db in QFSFileEngine::open(QFlags<QIODevice::OpenModeFlag>)
() at /lib64/libQtCore.so.4
#11 0x00007fab1be9a7ee in QFile::open(QFlags<QIODevice::OpenModeFlag>) () at
/lib64/libQtCore.so.4
#12 0x00007faa9e9a5255 in KPIM::KScoringManager::save() () at
/lib64/libknodecommon.so.4
#13 0x00007faa9e9a547a in KPIM::KScoringManager::editorReady() () at
/lib64/libknodecommon.so.4
#14 0x00007faa9e9a87fa in KPIM::KScoringEditorWidget::~KScoringEditorWidget()
() at /lib64/libknodecommon.so.4
#15 0x00007faa9e9a8839 in KPIM::KScoringEditorWidget::~KScoringEditorWidget()
() at /lib64/libknodecommon.so.4
#16 0x00007fab1bf32361 in QObjectPrivate::deleteChildren() () at
/lib64/libQtCore.so.4
#17 0x00007fab1d08dd12 in QWidget::~QWidget() () at /lib64/libQtGui.so.4
#18 0x00007faa9e8ae1a1 in KNode::ScoringWidget::~ScoringWidget() () at
/lib64/libknodecommon.so.4
#19 0x00007fab1bf32361 in QObjectPrivate::deleteChildren() () at
/lib64/libQtCore.so.4
#20 0x00007fab1d08dd12 in QWidget::~QWidget() () at /lib64/libQtGui.so.4
#21 0x00007fab1d4b0fb9 in QStackedWidget::~QStackedWidget() () at
/lib64/libQtGui.so.4
#22 0x00007fab1bf32361 in QObjectPrivate::deleteChildren() () at
/lib64/libQtCore.so.4
#23 0x00007fab1d08dd12 in QWidget::~QWidget() () at /lib64/libQtGui.so.4
#24 0x00007fab1d4bc6c9 in QTabWidget::~QTabWidget() () at /lib64/libQtGui.so.4
#25 0x00007fab1bf32361 in QObjectPrivate::deleteChildren() () at
/lib64/libQtCore.so.4
#26 0x00007fab1d08dd12 in QWidget::~QWidget() () at /lib64/libQtGui.so.4
#27 0x00007faa971ec281 in KNode::ReadNewsPage::~ReadNewsPage() () at
/usr/lib64/kde4/kcm_knode.so
#28 0x00007fab168301d4 in KCModuleProxy::deleteClient() () at
/lib64/libkcmutils.so.4
#29 0x00007fab1682d3c5 in KCMultiDialogPrivate::_k_dialogClosed() () at
/lib64/libkcmutils.so.4
#30 0x00007fab1bf2e0c0 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /lib64/libQtCore.so.4
#31 0x00007fab1d08e340 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#32 0x00007fab1d03a3ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQtGui.so.4
#33 0x00007fab1d041206 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQtGui.so.4
#34 0x00007fab1ddb605a in KApplication::notify(QObject*, QEvent*) () at
/lib64/libkdeui.so.5
#35 0x00007fab1bf19f1d in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /lib64/libQtCore.so.4
#36 0x00007fab1d08a7dc in QWidgetPrivate::hide_helper() () at
/lib64/libQtGui.so.4
#37 0x00007fab1d08d850 in QWidget::setVisible(bool) () at /lib64/libQtGui.so.4
#38 0x00007fab1d5171cf in QDialog::setVisible(bool) () at /lib64/libQtGui.so.4
#39 0x00007fab1d516415 in QDialog::done(int) () at /lib64/libQtGui.so.4
#40 0x00007fab1f5517e9 in Kontact::KontactConfigureDialog::slotOk() () at
/lib64/libkontactprivate.so.4
#41 0x00007fab1bf2e0c0 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /lib64/libQtCore.so.4
#42 0x00007fab1dd09a78 in KDialog::slotButtonClicked(int) () at
/lib64/libkdeui.so.5
#43 0x00007fab1dd0b5ef in KDialog::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.56] () at /lib64/libkdeui.so.5
#44 0x00007fab1bf2e0c0 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /lib64/libQtCore.so.4
#45 0x00007fab1bf3720e in QSignalMapper::mapped(int) () at
/lib64/libQtCore.so.4
#46 0x00007fab1bf37394 in QSignalMapper::map(QObject*) () at
/lib64/libQtCore.so.4
#47 0x00007fab1bf2e0c0 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /lib64/libQtCore.so.4
#48 0x00007fab1d6d7f22 in QAbstractButton::clicked(bool) () at
/lib64/libQtGui.so.4
#49 0x00007fab1d40dce3 in QAbstractButtonPrivate::emitClicked() () at
/lib64/libQtGui.so.4
#50 0x00007fab1d40f144 in QAbstractButtonPrivate::click() () at
/lib64/libQtGui.so.4
#51 0x00007fab1d40f254 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /lib64/libQtGui.so.4
#52 0x00007fab1d08e340 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#53 0x00007fab1d03a3ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQtGui.so.4
#54 0x00007fab1d0413c6 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQtGui.so.4
#55 0x00007fab1ddb605a in KApplication::notify(QObject*, QEvent*) () at
/lib64/libkdeui.so.5
#56 0x00007fab1bf19f1d in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /lib64/libQtCore.so.4
#57 0x00007fab1d0409cd in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/lib64/libQtGui.so.4
#58 0x00007fab1d0b8a1b in QETWidget::translateMouseEvent(_XEvent const*) () at
/lib64/libQtGui.so.4
#59 0x00007fab1d0b73bd in QApplication::x11ProcessEvent(_XEvent*) () at
/lib64/libQtGui.so.4
#60 0x00007fab1d0e0489 in x11EventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQtGui.so.4
#61 0x00007fab18267a8a in g_main_context_dispatch (context=0x1780c70) at
gmain.c:3122
#62 0x00007fab18267a8a in g_main_context_dispatch
(context=context at entry=0x1780c70) at gmain.c:3737
#63 0x00007fab18267e20 in g_main_context_iterate
(context=context at entry=0x1780c70, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3808
#64 0x00007fab18267ecc in g_main_context_iteration (context=0x1780c70,
may_block=1) at gmain.c:3869
#65 0x00007fab1bf4a4ce in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQtCore.so.4
#66 0x00007fab1d0e0626 in
QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQtGui.so.4
#67 0x00007fab1bf18791 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#68 0x00007fab1bf18b05 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#69 0x00007fab1bf1e6a9 in QCoreApplication::exec() () at /lib64/libQtCore.so.4
#70 0x0000000000403787 in main ()

Reported using DrKonqi

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