kmail crash 2

Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7ffa471ee880 (LWP 15222))]

Thread 3 (Thread 0x7ffa32524700 (LWP 15243)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:166
#1  0x0000003f24d7e685 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x3f25752740) at ../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:2495
#2  0x0000003f24d7e6e9 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:1618
#3  0x0000003f00607d14 in start_thread (arg=0x7ffa32524700) at pthread_create.c:309
#4  0x0000003effef194d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7ffa31c23700 (LWP 15244)):
#0  0x0000003effee8e9f in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003effa47974 in g_main_context_poll (n_fds=1, fds=0x7ffa240029c0, timeout=9234, context=0x7ffa240009a0, priority=<optimized out>) at gmain.c:3417
#2  g_main_context_iterate (context=context@entry=0x7ffa240009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3118
#3  0x0000003effa47a94 in g_main_context_iteration (context=0x7ffa240009a0, may_block=1) at gmain.c:3184
#4  0x0000003f0aba3a06 in QEventDispatcherGlib::processEvents (this=0x7ffa240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003f0ab7495f in QEventLoop::processEvents (this=this@entry=0x7ffa31c22d20, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003f0ab74be8 in QEventLoop::exec (this=0x7ffa31c22d20, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003f0aa785a0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x0000003f0aa7b53b in QThreadPrivate::start (arg=0x1ee7bb0) at thread/qthread_unix.cpp:298
#9  0x0000003f00607d14 in start_thread (arg=0x7ffa31c23700) at pthread_create.c:309
#10 0x0000003effef194d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7ffa471ee880 (LWP 15222)):
[KCrash Handler]
#6  QMutex::lock (this=0x3f0aecaa08) at thread/qmutex.cpp:153
#7  0x0000003f0ab78cf9 in QCoreApplication::postEvent (receiver=0x2ab47a0, event=0x227f580, priority=0) at kernel/qcoreapplication.cpp:1281
#8  0x00007ffa328f1d67 in QSpiApplicationAdaptor::notifyKeyboardListenerError (this=0x1d68ed0, error=...) at application.cpp:193
#9  0x00007ffa3291d694 in QSpiApplicationAdaptor::qt_static_metacall (_o=0x1d68ed0, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x27e74a0) at .moc/moc_application.cpp:62
#10 0x0000003f0ab8a1ee in QObject::event (this=0x1d68ed0, e=<optimized out>) at kernel/qobject.cpp:1195
#11 0x0000003f0dfca47c in QApplicationPrivate::notify_helper (this=this@entry=0x19ba300, receiver=receiver@entry=0x1d68ed0, e=e@entry=0x29a4920) at kernel/qapplication.cpp:4554
#12 0x0000003f0dfce9aa in QApplication::notify (this=0x7fff97b6c5d0, receiver=0x1d68ed0, e=0x29a4920) at kernel/qapplication.cpp:4415
#13 0x0000003f0f6459f6 in KApplication::notify (this=0x7fff97b6c5d0, receiver=0x1d68ed0, event=0x29a4920) at /usr/src/debug/kdelibs-4.8.2/kdeui/kernel/kapplication.cpp:311
#14 0x0000003f0ab7595e in QCoreApplication::notifyInternal (this=0x7fff97b6c5d0, receiver=receiver@entry=0x1d68ed0, event=event@entry=0x29a4920) at kernel/qcoreapplication.cpp:876
#15 0x0000003f0ab79401 in sendEvent (event=0x29a4920, receiver=0x1d68ed0) at kernel/qcoreapplication.h:231
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1952210) at kernel/qcoreapplication.cpp:1500
#17 0x0000003f0aba3853 in sendPostedEvents () at kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=s@entry=0x19b7a50) at kernel/qeventdispatcher_glib.cpp:279
#19 0x0000003effa475bc in g_main_dispatch (context=0x19b8000) at gmain.c:2515
#20 g_main_context_dispatch (context=context@entry=0x19b8000) at gmain.c:3052
#21 0x0000003effa479d8 in g_main_context_iterate (context=context@entry=0x19b8000, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3123
#22 0x0000003effa47a94 in g_main_context_iteration (context=0x19b8000, may_block=1) at gmain.c:3184
#23 0x0000003f0aba39e6 in QEventDispatcherGlib::processEvents (this=0x1953af0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#24 0x0000003f0e06a41e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#25 0x0000003f0ab7495f in QEventLoop::processEvents (this=this@entry=0x7fff97b6c270, flags=...) at kernel/qeventloop.cpp:149
#26 0x0000003f0ab74be8 in QEventLoop::exec (this=0x7fff97b6c270, flags=...) at kernel/qeventloop.cpp:204
#27 0x0000003f0ab79718 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#28 0x0000000000402d19 in ?? ()
#29 0x0000003effe21735 in __libc_start_main (main=0x402350, argc=1, ubp_av=0x7fff97b6c7c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff97b6c7b8) at libc-start.c:226
#30 0x00000000004031a5 in _start ()