Bug 190998

As you can reproduce the crash at will, may you read http://techbase.kde.org/Development/Tutorials/Debugging/How_to_create_useful_crash_reports and post a complete backtrace here? 
You need to install the "kdenetwork-debuginfo" package.
Thanks :)

Backtrace.

Program: Kopete (kopete), sygnał SIGSEGV
0x00000032b12a7f81 in nanosleep () from /lib64/libc.so.6
Current language:  auto; currently c
[Current thread is 1 (Thread 0x7f11b7619810 (LWP 4065))]

Thread 3 (Thread 0x7f11a8abd950 (LWP 4068)):
#0  0x00000032b12dc886 in __poll (fds=0x2db8340, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f11b8f90e28 in g_main_context_poll () at gmain.c:3091
#2  g_main_context_iterate (context=0x2db6a10, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2773
#3  0x00007f11b8f9114b in IA__g_main_context_iteration (context=0x2db6a10, may_block=1) at gmain.c:2841
#4  0x00007f11bbbabd3e in QEventDispatcherGlib::processEvents (this=0x2db6940, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:325
#5  0x00007f11bbb80eb2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007f11bbb8127d in QEventLoop::exec (this=0x2db6720, flags=) at kernel/qeventloop.cpp:200
#7  0x0000003b6646aebb in QCA::SyncThread::run (this=0x2db5ee0) at support/syncthread.cpp:194
#8  0x00007f11bba996d2 in QThreadPrivate::start (arg=0x2db5ee0) at thread/qthread_unix.cpp:189
#9  0x00000032b1e073da in start_thread (arg=<value optimized out>) at pthread_create.c:297
#10 0x00000032b12e62bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

Thread 2 (Thread 0x7f11a80bc950 (LWP 4069)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f11bba9a6b9 in QWaitConditionPrivate::wait () at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=0x2fbcea0, mutex=0x2fbce98, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f11bcdf883c in QHostInfoAgent::run (this=0x2fbce80) at kernel/qhostinfo.cpp:260
#4  0x00007f11bba996d2 in QThreadPrivate::start (arg=0x2fbce80) at thread/qthread_unix.cpp:189
#5  0x00000032b1e073da in start_thread (arg=<value optimized out>) at pthread_create.c:297
#6  0x00000032b12e62bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

Thread 1 (Thread 0x7f11b7619810 (LWP 4065)):
[KCrash Handler]
#5  GaduContact::uin (this=0x0) at /usr/src/debug/kdenetwork-4.2.2/kopete/protocols/gadu/gaducontact.cpp:88
#6  0x00007f11a8f39ec1 in GaduAccount::userlist (this=0x2b60bf0) at /usr/src/debug/kdenetwork-4.2.2/kopete/protocols/gadu/gaduaccount.cpp:1083
#7  0x00007f11a8f39f79 in GaduAccount::slotExportContactsList (this=0x0) at /usr/src/debug/kdenetwork-4.2.2/kopete/protocols/gadu/gaduaccount.cpp:1065
#8  0x00007f11a8f3f00d in GaduAccount::qt_metacall (this=0x2b60bf0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc746e2d0)
    at /usr/src/debug/kdenetwork-4.2.2/x86_64-redhat-linux-gnu/kopete/protocols/gadu/gaduaccount.moc:230
#9  0x00007f11bbb980a2 in QMetaObject::activate (sender=0x29ae480, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x2a409f0) at kernel/qobject.cpp:3069
#10 0x00007f11bbb92383 in QObject::event (this=0x29ae480, e=0x299c020) at kernel/qobject.cpp:1082
#11 0x00007f11bad8c73d in QApplicationPrivate::notify_helper (this=0x261b8d0, receiver=0x29ae480, e=0x7fffc746e980) at kernel/qapplication.cpp:4084
#12 0x00007f11bad9492a in QApplication::notify (this=0x7fffc746ecc0, receiver=0x29ae480, e=0x7fffc746e980) at kernel/qapplication.cpp:4049
#13 0x00007f11bc749c7b in KApplication::notify (this=0x7fffc746ecc0, receiver=0x29ae480, event=0x7fffc746e980) at /usr/src/debug/kdelibs-4.2.2/kdeui/kernel/kapplication.cpp:307
#14 0x00007f11bbb8260c in QCoreApplication::notifyInternal (this=0x7fffc746ecc0, receiver=0x29ae480, event=0x7fffc746e980) at kernel/qcoreapplication.cpp:602
#15 0x00007f11bbbaf6a9 in QCoreApplication::sendEvent () at kernel/qcoreapplication.h:213
#16 QTimerInfoList::activateTimers (this=0x262b5e0) at kernel/qeventdispatcher_unix.cpp:572
#17 0x00007f11bbbabdbd in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:164
#18 0x00007f11b8f8d7bb in g_main_dispatch () at gmain.c:2144
#19 IA__g_main_context_dispatch (context=0x262b120) at gmain.c:2697
#20 0x00007f11b8f90f8d in g_main_context_iterate (context=0x262b120, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2778
#21 0x00007f11b8f9114b in IA__g_main_context_iteration (context=0x262b120, may_block=1) at gmain.c:2841
#22 0x00007f11bbbabd1f in QEventDispatcherGlib::processEvents (this=0x25ec390, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#23 0x00007f11bae2333f in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#24 0x00007f11bbb80eb2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#25 0x00007f11bbb8127d in QEventLoop::exec (this=0x7fffc746ec30, flags=) at kernel/qeventloop.cpp:200
#26 0x00007f11bbb83544 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#27 0x0000000000445a8c in main (argc=3, argv=0x7fffc746fa78) at /usr/src/debug/kdenetwork-4.2.2/kopete/kopete/main.cpp:102
Current language:  auto; currently asm
Current language:  auto; currently c

Do you have multiple identities ?, the backtrace looks similar to bug 174513
Thanks

Marking as duplicate of bug 189035. Thanks

*** This bug has been marked as a duplicate of bug 189035 ***