.
Thread 1 (process 12183):
#0  0xb7fd99d9 in QString::isEmpty (this=0xbfe45454)
    at /usr/include/qt4/QtCore/qstring.h:586
No locals.
#1  0xb7fd6a28 in KLauncher::destruct (exit_code=255)
    at /build/buildd/kde4libs-3.80.3/./kinit/klauncher.cpp:243
No locals.
#2  0xb7fddba7 in sig_handler (sig_num=15)
    at /build/buildd/kde4libs-3.80.3/./kinit/klauncher_main.cpp:44
No locals.
#3  <signal handler called>
#4  0xffffe410 in __kernel_vsyscall ()
#5  0xb697285b in poll () from /lib/tls/i686/cmov/libc.so.6
#6  0xb66f9e03 in ?? () from /usr/lib/libglib-2.0.so.0
#7  0x08065e40 in ?? ()
#8  0x00000003 in ?? ()
#9  0xffffffff in ?? ()
#10 0x08065e40 in ?? ()
#11 0x00000004 in ?? ()
#12 0xffffffff in ?? ()
#13 0xb7ffeff4 in ?? () from /lib/ld-linux.so.2
#14 0xbfe452f4 in ?? ()
#15 0x00000001 in ?? ()
#16 0x00000001 in ?? ()
#17 0x08056d10 in ?? ()
#18 0x08065e40 in ?? ()
#19 0xb6972820 in ?? () from /lib/tls/i686/cmov/libc.so.6
#20 0xb728bbe0 in ?? () from /lib/tls/i686/cmov/libpthread.so.0
#21 0xb728a440 in ?? () from /lib/tls/i686/cmov/libpthread.so.0
#22 0xb6714613 in g_thread_self () from /usr/lib/libglib-2.0.so.0
#23 0xb66fa335 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0xb73a1c28 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#25 0xb737d481 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#26 0xb737d58a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#27 0xb737f998 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#28 0xb7fddb2a in kdemain (argc=1, argv=0xbfe45574)
    at /build/buildd/kde4libs-3.80.3/./kinit/klauncher_main.cpp:111
	componentData = {_vptr.KComponentData = 0xb7581630, d = 0x804aa80}
	app = <incomplete type>
	maxTry = 3
#29 0x080486f2 in _start ()