Application: kontact ()

Qt Version: 5.4.2
Operating System: Linux 4.2.0-16-generic i686
Distribution: Ubuntu Wily Werewolf (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Kontact has been crashing on a new build of Kubuntu 15.10 Beta 2 when going from KMail to ToDo and just now when looking at Summary it did same thing.  Does it every time.

The crash can be reproduced every time.

-- Backtrace:
Application: kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xad83b7c0 (LWP 4585))]

Thread 8 (Thread 0xac05eb40 (LWP 4587)):
#0  0xb76e2be8 in __kernel_vsyscall ()
#1  0xb294525c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5f99cf6 in __pthread_cond_wait (cond=0xb5d2fd34, mutex=0xb5d2fd1c) at forward.c:149
#3  0xb509311a in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#4  0xb509316c in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#5  0xb29401aa in start_thread (arg=0xac05eb40) at pthread_create.c:333
#6  0xb5f8cfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 7 (Thread 0xaae4eb40 (LWP 4588)):
#0  0xb76e2be8 in __kernel_vsyscall ()
#1  0xb5f823db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb268f980 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2680f1c in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2681054 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb64ac7e4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb644f2b3 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb644f702 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb627823d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#9  0xb6278318 in QThread::run() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb627d65b in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#11 0xb29401aa in start_thread (arg=0xaae4eb40) at pthread_create.c:333
#12 0xb5f8cfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 6 (Thread 0xa9bc9b40 (LWP 4589)):
#0  0xb76e2be8 in __kernel_vsyscall ()
#1  0xb294525c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5f99cf6 in __pthread_cond_wait (cond=0xab797138, mutex=0xab797120) at forward.c:149
#3  0xb50c1cec in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#4  0xb4d804c6 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#5  0xb50aa2e2 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#6  0xb50c16f1 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#7  0xb29401aa in start_thread (arg=0xa9bc9b40) at pthread_create.c:333
#8  0xb5f8cfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 5 (Thread 0xa91ffb40 (LWP 4590)):
#0  0xb76e2be8 in __kernel_vsyscall ()
#1  0xb294525c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5f99cf6 in __pthread_cond_wait (cond=0xab79b734, mutex=0xab79b71c) at forward.c:149
#3  0xb50c1cec in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#4  0xb4d815f5 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#5  0xb50aa2e2 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#6  0xb50c16f1 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#7  0xb29401aa in start_thread (arg=0xa91ffb40) at pthread_create.c:333
#8  0xb5f8cfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 4 (Thread 0xa89feb40 (LWP 4591)):
#0  0xb76e2be8 in __kernel_vsyscall ()
#1  0xb294525c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5f99cf6 in __pthread_cond_wait (cond=0xab79b734, mutex=0xab79b71c) at forward.c:149
#3  0xb50c1cec in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#4  0xb4d815f5 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#5  0xb50aa2e2 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#6  0xb50c16f1 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#7  0xb29401aa in start_thread (arg=0xa89feb40) at pthread_create.c:333
#8  0xb5f8cfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 3 (Thread 0xa7fffb40 (LWP 4592)):
#0  0xb76e2be8 in __kernel_vsyscall ()
#1  0xb294525c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5f99cf6 in __pthread_cond_wait (cond=0xab79b734, mutex=0xab79b71c) at forward.c:149
#3  0xb50c1cec in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#4  0xb4d815f5 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#5  0xb50aa2e2 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#6  0xb50c16f1 in ?? () from /usr/lib/i386-linux-gnu/libQt5WebKit.so.5
#7  0xb29401aa in start_thread (arg=0xa7fffb40) at pthread_create.c:333
#8  0xb5f8cfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 2 (Thread 0x98490b40 (LWP 4823)):
#0  0xb76e2be8 in __kernel_vsyscall ()
#1  0xb294525c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5f99cf6 in __pthread_cond_wait (cond=0xa6ae38d0, mutex=0xa6ae38b8) at forward.c:149
#3  0xa69ab2fc in ?? () from /usr/lib/i386-linux-gnu/libQt5Script.so.5
#4  0xa69ab33c in ?? () from /usr/lib/i386-linux-gnu/libQt5Script.so.5
#5  0xb29401aa in start_thread (arg=0x98490b40) at pthread_create.c:333
#6  0xb5f8cfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 1 (Thread 0xad83b7c0 (LWP 4585)):
[KCrash Handler]
#7  0xb2e571ca in Akonadi::Tag::operator= (this=0xbfb27714, other=...) at ../../../../akonadi/src/core/tag.cpp:80
#8  0xb2e5732f in Akonadi::Tag::Tag (this=0xbfb27714, other=...) at ../../../../akonadi/src/core/tag.cpp:72
#9  0xb2ef6467 in Akonadi::TagModelPrivate::tagForIndex (this=0x89f9f58, index=...) at ../../../../akonadi/src/core/models/tagmodel_p.cpp:105
#10 0xb2ef525c in Akonadi::TagModel::data (this=0x89fa8c0, index=..., role=0) at ../../../../akonadi/src/core/models/tagmodel.cpp:91
#11 0xb6e2a06d in ?? () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#12 0xb6e2a26d in ?? () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#13 0xb6e2ceaf in ?? () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#14 0xb6e2d0ee in QComboBox::setCurrentIndex(int) () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#15 0xb6e2e92c in ?? () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#16 0xb64850e1 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#17 0xb64855dd in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#18 0xb64ff2b1 in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#19 0xb63faa6e in QAbstractItemModel::endInsertRows() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#20 0xb2ef6a89 in Akonadi::TagModelPrivate::monitoredTagAdded (this=0x89f9f58, tag=...) at ../../../../akonadi/src/core/models/tagmodel_p.cpp:126
#21 0xb2ef6eba in Akonadi::TagModelPrivate::tagsFetched (this=0x89f9f58, tags=...) at ../../../../akonadi/src/core/models/tagmodel_p.cpp:223
#22 0xb2ef4a5e in Akonadi::TagModel::qt_static_metacall (_o=0x89fa8c0, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfb27cb4) at ./moc_tagmodel.cpp:102
#23 0xb64850e1 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#24 0xb64855dd in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#25 0xb2ea3e61 in Akonadi::TagFetchJob::tagsReceived (this=0xc3dcc90, _t1=...) at ./moc_tagfetchjob.cpp:145
#26 0xb2ea542d in Akonadi::TagFetchJobPrivate::timeout (this=0xc50d4a0) at ../../../../akonadi/src/core/jobs/tagfetchjob.cpp:58
#27 Akonadi::TagFetchJobPrivate::aboutToFinish (this=0xc50d4a0) at ../../../../akonadi/src/core/jobs/tagfetchjob.cpp:49
#28 0xb2e8c886 in Akonadi::JobPrivate::delayedEmitResult (this=<optimized out>) at ../../../../akonadi/src/core/jobs/job.cpp:152
#29 Akonadi::Job::qt_static_metacall (_o=0xc3dcc90, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf07288) at ./moc_job.cpp:107
#30 0xb6481f50 in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#31 0xb6485d13 in QObject::event(QEvent*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#32 0xb6d0cdaa in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#33 0xb6d1267f in QApplication::notify(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#34 0xb64520ff in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#35 0xb645451d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#36 0xb6454a57 in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#37 0xb64ac3d3 in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#38 0xb2680ce9 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#39 0xb2680f89 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#40 0xb2681054 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0xb64ac7c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#42 0xad5babc1 in ?? () from /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#43 0xb644f2b3 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#44 0xb644f702 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#45 0xb64577e5 in QCoreApplication::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#46 0xb675dcf1 in QGuiApplication::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#47 0xb6d08cb4 in QApplication::exec() () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#48 0x0804bd22 in main (argc=1, argv=0xbfb284a4) at ../../../kontact/src/main.cpp:220

Possible duplicates by query: bug 353482, bug 353326.

Reported using DrKonqi