[kontact] [Bug 354832] New: akkregator crash when Kontact is closed

Julian Schmidt via KDE Bugzilla bugzilla_noreply at kde.org
Wed Nov 4 13:26:58 GMT 2015 

https://bugs.kde.org/show_bug.cgi?id=354832

            Bug ID: 354832
           Summary: akkregator crash when Kontact is closed
           Product: kontact
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: julian at chipmusik.de

Application: kontact (5.0.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-16-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed:
I closed Kontact.

- Unusual behavior I noticed:
read rss messages were not marked as read on opening before I closed kontact.
this happens about once a day, or once evry 2 days since the update to kubuntu
15.10.
akkregator seems out of sync. messages are not being marked as read. The number
of new messages shown in a feed does not correspond to the actual number of
unread messages in the feed. when kontact is closed -> crash. often even with a
corrupted feed list after a restart.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f876abc2880 (LWP 2951))]

Thread 7 (Thread 0x7f876621d700 (LWP 2953)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f878644f48b in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f878644f4c9 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f8781bce6aa in start_thread (arg=0x7f876621d700) at
pthread_create.c:333
#4  0x00007f8787341eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f871ebd3700 (LWP 2954)):
#0  0x00007f87873368dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8780f511ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8780f512fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8787e7729b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8787e1d75a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8787c3b3d4 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8787c402be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8781bce6aa in start_thread (arg=0x7f871ebd3700) at
pthread_create.c:333
#8  0x00007f8787341eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f871e1da700 (LWP 2955)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f878615d5b4 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f878647f341 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f8781bce6aa in start_thread (arg=0x7f871e1da700) at
pthread_create.c:333
#4  0x00007f8787341eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f871d9ba700 (LWP 2956)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f878615e5e3 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f878647f341 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f8781bce6aa in start_thread (arg=0x7f871d9ba700) at
pthread_create.c:333
#4  0x00007f8787341eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f871d1b9700 (LWP 2957)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f878615e5e3 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f878647f341 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f8781bce6aa in start_thread (arg=0x7f871d1b9700) at
pthread_create.c:333
#4  0x00007f8787341eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f871c9b8700 (LWP 2958)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f878615e5e3 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f878647f341 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f8781bce6aa in start_thread (arg=0x7f871c9b8700) at
pthread_create.c:333
#4  0x00007f8787341eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f876abc2880 (LWP 2951)):
[KCrash Handler]
#6  QString::QString (other=..., this=this at entry=0x7ffc98479020) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:811
#7  Akregator::SearchBar::text (this=0x2977460) at
../../../akregator/src/searchbar.cpp:125
#8  0x00007f86fd565f4f in Akregator::MainWidget::saveProperties
(this=0x25be6e0, config=...) at ../../../akregator/src/mainwidget.cpp:1183
#9  0x00007f86fd5600b4 in Akregator::Part::autoSaveProperties
(this=this at entry=0x2402960) at ../../../akregator/src/akregator_part.cpp:871
#10 0x00007f86fd560149 in Akregator::Part::slotOnShutdown
(this=this at entry=0x2402960) at ../../../akregator/src/akregator_part.cpp:349
#11 0x00007f86fd5607a8 in Akregator::Part::~Part (this=this at entry=0x2402960,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
../../../akregator/src/akregator_part.cpp:422
#12 0x00007f86fd5607f9 in Akregator::Part::~Part (this=0x2402960,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
../../../akregator/src/akregator_part.cpp:426
#13 0x00007f8787e5078a in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f8787e5102f in QObject::destroyed(QObject*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f878872c265 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f86fd569609 in Akregator::MainWidget::~MainWidget (this=0x25be6e0,
__in_chrg=<optimized out>) at ../../../akregator/src/mainwidget.cpp:96
#17 0x00007f8787e4ed2b in QObjectPrivate::deleteChildren() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f878872c2c7 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f87888863e9 in QStackedWidget::~QStackedWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f8787e4ed2b in QObjectPrivate::deleteChildren() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f878872c2c7 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f8788885c99 in QSplitter::~QSplitter() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f8787e4ed2b in QObjectPrivate::deleteChildren() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f878872c2c7 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f878872c489 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f8787e4ed2b in QObjectPrivate::deleteChildren() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f878872c2c7 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f8789858d20 in KMainWindow::~KMainWindow (this=0x902e70,
__in_chrg=<optimized out>) at ../../src/kmainwindow.cpp:349
#29 0x00007f8789f199e5 in Kontact::MainWindow::~MainWindow
(this=this at entry=0x902e70, __in_chrg=<optimized out>, __vtt_parm=<optimized
out>) at ../../../kontact/src/mainwindow.cpp:271
#30 0x00007f8789f19ad9 in Kontact::MainWindow::~MainWindow (this=0x902e70,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
../../../kontact/src/mainwindow.cpp:300
#31 0x00007f8787e51670 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f878872fedb in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f878884139b in QMainWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f878985b177 in KMainWindow::event (this=this at entry=0x902e70,
ev=ev at entry=0x7789a30) at ../../src/kmainwindow.cpp:821
#35 0x00007f87898935c5 in KXmlGuiWindow::event (this=0x902e70, ev=0x7789a30) at
../../src/kxmlguiwindow.cpp:118
#36 0x00007f87886edb8c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f87886f3230 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f8787e1ff1b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f8787e22057 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f8787e76e73 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f8780f50ff7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f8780f51250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f8780f512fc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f8787e7727f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f8787e1d75a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007f8787e252cc in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x0000000000404af1 in main (argc=1, argv=0x7ffc9847a1c8) at
../../../kontact/src/main.cpp:220

Possible duplicates by query: bug 353509, bug 352512.

Reported using DrKonqi

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