Application: kmix (4.6)

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.1.34-33-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

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

I was scrolling in a web page in Konqueror, not interacting with kmix at all.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f44672a1800 (LWP 12269))]

Thread 2 (Thread 0x7f445377c700 (LWP 12270)):
#0  0x00007f4466b6cbfd in poll () from /lib64/libc.so.6
#1  0x00007f445df1de64 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f444c010950, timeout=-1, context=0x7f444c001b00) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f444c001b00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007f445df1df7c in g_main_context_iteration (context=0x7f444c001b00, may_block=1) at gmain.c:3869
#4  0x00007f44627a6f4b in QEventDispatcherGlib::processEvents (this=0x7f444c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f446275689b in QEventLoop::exec (this=this@entry=0x7f445377bda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
#6  0x00007f446259d02a in QThread::exec (this=this@entry=0x7f4463d7ad00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507
#7  0x00007f4463b13aa5 in QDBusConnectionManager::run (this=0x7f4463d7ad00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:196
#8  0x00007f44625a1859 in QThreadPrivate::start (arg=0x7f4463d7ad00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:344
#9  0x00007f445eabe0a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4466b7502d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f44672a1800 (LWP 12269)):
[KCrash Handler]
#6  std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=0x0) at /usr/include/c++/4.8/bits/atomic_base.h:496
#7  QAtomicOps<int>::load<int> (_q_value=...) at ../../src/corelib/arch/qatomic_cxx11.h:103
#8  QBasicAtomicInteger<int>::load (this=0x0) at ../../src/corelib/thread/qbasicatomic.h:99
#9  QtPrivate::RefCount::deref (this=0x0) at ../../src/corelib/tools/qrefcount.h:66
#10 QString::~QString (this=0x7f444c0531e8, __in_chrg=<optimized out>) at ../../src/corelib/tools/qstring.h:1075
#11 QList<QString>::node_destruct (this=<optimized out>, to=0x7f444c0531e8, from=0x7f444c013808) at ../../src/corelib/tools/qlist.h:492
#12 QList<QString>::dealloc (this=<optimized out>, data=0x7f444c0137c0) at ../../src/corelib/tools/qlist.h:861
#13 QList<QString>::~QList (this=<optimized out>, __in_chrg=<optimized out>) at ../../src/corelib/tools/qlist.h:823
#14 0x00007f446279bf35 in QStringList::~QStringList (this=0x7f444c0008c0, __in_chrg=<optimized out>) at ../../src/corelib/tools/qstringlist.h:100
#15 v_clear<QStringList> (d=0x7f444c0008c0) at ../../src/corelib/kernel/qvariant_p.h:175
#16 QVariantDestructor<(anonymous namespace)::CoreTypesFilter>::FilteredDestructor<QStringList, true>::FilteredDestructor (d=0x7f444c0008c0, this=<synthetic pointer>) at ../../src/corelib/kernel/qvariant_p.h:380
#17 QVariantDestructor<(anonymous namespace)::CoreTypesFilter>::delegate<QStringList> (this=<synthetic pointer>) at ../../src/corelib/kernel/qvariant_p.h:406
#18 QMetaTypeSwitcher::switcher<void, QVariantDestructor<(anonymous namespace)::CoreTypesFilter> > (data=0x0, type=<optimized out>, logic=<synthetic pointer>) at ../../src/corelib/kernel/qmetatypeswitcher_p.h:74
#19 (anonymous namespace)::clear (d=0x7f444c0008c0) at kernel/qvariant.cpp:119
#20 0x00007f4463b1636c in QList<QVariant>::node_destruct (this=<optimized out>, to=0x7f444c00e2d8, from=0x7f444c00e2d0) at ../../src/corelib/tools/qlist.h:490
#21 QList<QVariant>::dealloc (data=0x7f444c00e2c0, this=<optimized out>) at ../../src/corelib/tools/qlist.h:861
#22 0x00007f4463b2a96b in QDBusMessage::~QDBusMessage (this=<optimized out>, __in_chrg=<optimized out>) at qdbusmessage.cpp:571
#23 0x00007f4463b25f9c in QDBusCallDeliveryEvent::~QDBusCallDeliveryEvent (this=0x7f444c013710, __in_chrg=<optimized out>) at qdbusintegrator_p.h:103
#24 QDBusCallDeliveryEvent::~QDBusCallDeliveryEvent (this=0x7f444c013710, __in_chrg=<optimized out>) at qdbusintegrator_p.h:103
#25 0x00007f446275a62c in QScopedPointerDeleter<QEvent>::cleanup (pointer=0x7f444c013710) at ../../src/corelib/tools/qscopedpointer.h:60
#26 QScopedPointer<QEvent, QScopedPointerDeleter<QEvent> >::~QScopedPointer (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/tools/qscopedpointer.h:107
#27 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x84bcb0) at kernel/qcoreapplication.cpp:1646
#28 0x00007f446275ab68 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1503
#29 0x00007f44627a76e3 in postEventSourceDispatch (s=0x8c88c0) at kernel/qeventdispatcher_glib.cpp:276
#30 0x00007f445df1dc84 in g_main_dispatch (context=0x7f444c002450) at gmain.c:3122
#31 g_main_context_dispatch (context=context@entry=0x7f444c002450) at gmain.c:3737
#32 0x00007f445df1ded8 in g_main_context_iterate (context=context@entry=0x7f444c002450, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#33 0x00007f445df1df7c in g_main_context_iteration (context=0x7f444c002450, may_block=1) at gmain.c:3869
#34 0x00007f44627a6f2c in QEventDispatcherGlib::processEvents (this=0x8c88a0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#35 0x00007f446275689b in QEventLoop::exec (this=this@entry=0x7ffe40b4ecf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
#36 0x00007f446275e696 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#37 0x00007f4466e805ba in kdemain () from /usr/lib64/libkdeinit5_kmix.so
#38 0x00007f4466ab1b25 in __libc_start_main () from /lib64/libc.so.6
#39 0x00000000004007de in _start ()

Reported using DrKonqi