Application: kded4 (4.12.4)
KDE Platform Version: 4.12.4
Qt Version: 4.8.5
Operating System: Linux 3.13.6-1.g4727218-desktop i686
Distribution: "openSUSE 13.1 (Bottle) (i586)"

-- Information about the crash:
- What I was doing when the application crashed: using programm back in time as root and plasma-desktop was crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Служба KDE (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb545f740 (LWP 1282))]

Thread 6 (Thread 0xac2c2b40 (LWP 1284)):
#0  0xb7759424 in __kernel_vsyscall ()
#1  0xb5f8be3b in poll () from /lib/libc.so.6
#2  0xb595c99b in g_poll () from /usr/lib/libglib-2.0.so.0
#3  0xb594db08 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0xb594dc48 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0xb6dd860f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0xb6da7a03 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0xb6da7d29 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0xb6c9630d in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0xb6c9645b in QThread::run() () from /usr/lib/libQtCore.so.4
#10 0xb6c98c5f in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6c1507a in start_thread () from /lib/libpthread.so.0
#12 0xb5f9780e in clone () from /lib/libc.so.6

Thread 5 (Thread 0xa9a74b40 (LWP 1307)):
#0  0xb5990966 in ?? () from /usr/lib/libglib-2.0.so.0
#1  0xb5990c68 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#2  0xb594cafd in g_main_context_acquire () from /usr/lib/libglib-2.0.so.0
#3  0xb594d9a8 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0xb594dfeb in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#5  0xa9b5b11a in ?? () from /usr/lib/libgio-2.0.so.0
#6  0xb5973d6a in ?? () from /usr/lib/libglib-2.0.so.0
#7  0xb6c1507a in start_thread () from /lib/libpthread.so.0
#8  0xb5f9780e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xa9267b40 (LWP 1308)):
#0  0xb5fa4c7d in __libc_enable_asynccancel () from /lib/libc.so.6
#1  0xb5f8be21 in poll () from /lib/libc.so.6
#2  0xb595c99b in g_poll () from /usr/lib/libglib-2.0.so.0
#3  0xb594db08 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0xb594dc48 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0xb6dd860f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0xb6da7a03 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0xb6da7d29 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0xb6c9630d in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0xab928ce7 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#10 0xb6c98c5f in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6c1507a in start_thread () from /lib/libpthread.so.0
#12 0xb5f9780e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xa8a66b40 (LWP 1309)):
#0  0xb7759424 in __kernel_vsyscall ()
#1  0xb6c1c01b in read () from /lib/libpthread.so.0
#2  0xb598fe4e in ?? () from /usr/lib/libglib-2.0.so.0
#3  0xb594d5fb in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#4  0xb594da9a in ?? () from /usr/lib/libglib-2.0.so.0
#5  0xb594dc48 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#6  0xb6dd860f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0xb6da7a03 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0xb6da7d29 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#9  0xb6c9630d in QThread::exec() () from /usr/lib/libQtCore.so.4
#10 0xb6c9645b in QThread::run() () from /usr/lib/libQtCore.so.4
#11 0xb6c98c5f in ?? () from /usr/lib/libQtCore.so.4
#12 0xb6c1507a in start_thread () from /lib/libpthread.so.0
#13 0xb5f9780e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa8265b40 (LWP 1310)):
#0  0xb7759424 in __kernel_vsyscall ()
#1  0xb5f8be3b in poll () from /lib/libc.so.6
#2  0xb595c99b in g_poll () from /usr/lib/libglib-2.0.so.0
#3  0xb594db08 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0xb594dc48 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0xb6dd860f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0xb6da7a03 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0xb6da7d29 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0xb6c9630d in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0xb6d87e14 in ?? () from /usr/lib/libQtCore.so.4
#10 0xb6c98c5f in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6c1507a in start_thread () from /lib/libpthread.so.0
#12 0xb5f9780e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb545f740 (LWP 1282)):
[KCrash Handler]
#6  0xb6dc2cff in QObject::~QObject() () from /usr/lib/libQtCore.so.4
#7  0xa9cd88d6 in ModemManager::Interface::~Interface() () from /usr/lib/libModemManagerQt.so.0
#8  0xa9ce2266 in ModemManager::Modem::~Modem() () from /usr/lib/libModemManagerQt.so.0
#9  0xa9ce228c in ModemManager::Modem::~Modem() () from /usr/lib/libModemManagerQt.so.0
#10 0xb6dbc093 in qDeleteInEventHandler(QObject*) () from /usr/lib/libQtCore.so.4
#11 0xb6dc22e0 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#12 0xb62944b4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#13 0xb629aee3 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0xb74f7ea4 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#15 0xb6da8fba in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0xb6dac2e5 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#17 0xb6dac80c in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#18 0xb6dd8e0e in ?? () from /usr/lib/libQtCore.so.4
#19 0xb594d7de in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#20 0xb594db88 in ?? () from /usr/lib/libglib-2.0.so.0
#21 0xb594dc48 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#22 0xb6dd85ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#23 0xb634451e in ?? () from /usr/lib/libQtGui.so.4
#24 0xb6da7a03 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#25 0xb6da7d29 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0xb6dad4fe in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#27 0xb6292944 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#28 0xb52e7d53 in kdemain () from /usr/lib/libkdeinit4_kded4.so
#29 0x0804fba3 in _start ()

Reported using DrKonqi