Application: krunner (0.1)
KDE Platform Version: 4.9.3
Qt Version: 4.8.2
Operating System: Linux 3.2.0-32-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
cause from terminal using CTRL+ C can't disconnect . Then I use System Activity to kill wvdial

The crash can be reproduced every time.

-- Backtrace:
Application: Run Command Interface (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f62fdffb780 (LWP 1991))]

Thread 4 (Thread 0x7f62e3050700 (LWP 1993)):
#0  0x00007fffd51b98de in ?? ()
#1  0x00007f62f16fc15d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007f62fa287c64 in do_gettime (frac=0x7f62e304fb98, sec=0x7f62e304fb90) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007f62fa36006d in QTimerInfoList::updateCurrentTime (this=0x7f62dc002860) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007f62fa3603a3 in QTimerInfoList::timerWait (this=0x7f62dc002860, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007f62fa35ee5c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f62e304fc6c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f62fa35ef05 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f62f2ab6846 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f62f2ab6f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f62f2ab7164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f62fa35f906 in QEventDispatcherGlib::processEvents (this=0x7f62dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007f62fa32ee42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f62fa32f097 in QEventLoop::exec (this=0x7f62e304fdd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f62fa22e057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007f62fa30eb4f in QInotifyFileSystemWatcherEngine::run (this=0x13b1be0) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007f62fa23107b in QThreadPrivate::start (arg=0x13b1be0) at thread/qthread_unix.cpp:307
#17 0x00007f62f2f83e9a in start_thread (arg=0x7f62e3050700) at pthread_create.c:308
#18 0x00007f62fd90acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f62cffff700 (LWP 8780)):
#0  0x00007f62fd8fd8bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f62f2af18cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f62f2ab6ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f62f2ab6fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f62f2ab7164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f62fa35f906 in QEventDispatcherGlib::processEvents (this=0x7f62c8002800, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f62fa32ee42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f62fa32f097 in QEventLoop::exec (this=0x7f62cfffedd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f62fa22e057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f62fa30eb4f in QInotifyFileSystemWatcherEngine::run (this=0x15259d0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f62fa23107b in QThreadPrivate::start (arg=0x15259d0) at thread/qthread_unix.cpp:307
#11 0x00007f62f2f83e9a in start_thread (arg=0x7f62cffff700) at pthread_create.c:308
#12 0x00007f62fd90acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f62ce5cc700 (LWP 8781)):
#0  0x00007f62f2f8705d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x1c3f8d0) at pthread_mutex_unlock.c:290
#2  0x00007f62f2af25d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f62f2ab6f4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f62f2ab749a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f62ce8b5406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f62f2ad89e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f62f2f83e9a in start_thread (arg=0x7f62ce5cc700) at pthread_create.c:308
#8  0x00007f62fd90acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f62fdffb780 (LWP 1991)):
[KCrash Handler]
#6  0x00007f62f39fdbfe in KSysGuard::Processes::getProcess(long) const () from /usr/lib/libprocesscore.so.4abi1
#7  0x00007f62fc19f563 in KSysGuardProcessList::sendSignalToSelectedProcesses(int, bool) () from /usr/lib/libprocessui.so.4
#8  0x00007f62fa344761 in QMetaObject::activate (sender=0x18bf850, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd4fffcf0) at kernel/qobject.cpp:3547
#9  0x00007f62fb3bb432 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#10 0x00007f62fb0f8ece in QAbstractButtonPrivate::emitClicked (this=<optimized out>) at widgets/qabstractbutton.cpp:548
#11 0x00007f62fb0f9778 in QAbstractButton::click (this=0x18bf850) at widgets/qabstractbutton.cpp:985
#12 0x00007f62fb1fb988 in QDialog::keyPressEvent (this=<optimized out>, e=<optimized out>) at dialogs/qdialog.cpp:685
#13 0x00007f62fc79178b in KDialog::keyPressEvent (this=0x17c7880, event=0x7fffd5000b30) at ../../kdeui/dialogs/kdialog.cpp:424
#14 0x00007f62fad7b038 in QWidget::event (this=0x17c7880, event=0x7fffd5000b30) at kernel/qwidget.cpp:8406
#15 0x00007f62fad2a7b4 in notify_helper (e=0x7fffd5000b30, receiver=0x17c7880, this=0x13a43d0) at kernel/qapplication.cpp:4556
#16 QApplicationPrivate::notify_helper (this=0x13a43d0, receiver=0x17c7880, e=0x7fffd5000b30) at kernel/qapplication.cpp:4528
#17 0x00007f62fad2fc45 in QApplication::notify (this=<optimized out>, receiver=<optimized out>, e=0x7fffd5000b30) at kernel/qapplication.cpp:3997
#18 0x00007f62fc83d786 in KApplication::notify (this=0x1398030, receiver=0x1b25340, event=0x7fffd5000b30) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f62fa33030c in QCoreApplication::notifyInternal (this=0x1398030, receiver=0x1b25340, event=0x7fffd5000b30) at kernel/qcoreapplication.cpp:915
#20 0x00007f62fc19c42e in KSysGuardProcessList::eventFilter(QObject*, QEvent*) () from /usr/lib/libprocessui.so.4
#21 0x00007f62fa330498 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x1b26ad0, event=0x7fffd5000b30) at kernel/qcoreapplication.cpp:1025
#22 0x00007f62fad2a77f in notify_helper (e=0x7fffd5000b30, receiver=0x1b26ad0, this=0x13a43d0) at kernel/qapplication.cpp:4552
#23 QApplicationPrivate::notify_helper (this=0x13a43d0, receiver=0x1b26ad0, e=0x7fffd5000b30) at kernel/qapplication.cpp:4528
#24 0x00007f62fad2fc45 in QApplication::notify (this=<optimized out>, receiver=<optimized out>, e=0x7fffd5000b30) at kernel/qapplication.cpp:3997
#25 0x00007f62fc83d786 in KApplication::notify (this=0x1398030, receiver=0x1b26ad0, event=0x7fffd5000b30) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007f62fa33030c in QCoreApplication::notifyInternal (this=0x1398030, receiver=0x1b26ad0, event=0x7fffd5000b30) at kernel/qcoreapplication.cpp:915
#27 0x00007f62fadcebc9 in QKeyMapper::sendKeyEvent (keyWidget=0x1b26ad0, grab=<optimized out>, type=QEvent::KeyPress, code=16777220, modifiers=..., text=..., autorepeat=false, count=1, nativeScanCode=36, nativeVirtualKey=65293, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1866
#28 0x00007f62fadcf03b in QKeyMapperPrivate::translateKeyEvent (this=0x13e8200, keyWidget=0x1b26ad0, event=0x7fffd5001620, grab=false) at kernel/qkeymapper_x11.cpp:1836
#29 0x00007f62fada9557 in QApplication::x11ProcessEvent (this=0x1398030, event=0x7fffd5001620) at kernel/qapplication_x11.cpp:3625
#30 0x00007f62fadd3052 in x11EventSourceDispatch (s=0x13a9170, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x00007f62f2ab6d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f62f2ab70a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f62f2ab7164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f62fa35f89f in QEventDispatcherGlib::processEvents (this=0x136cad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x00007f62fadd2cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007f62fa32ee42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007f62fa32f097 in QEventLoop::exec (this=0x7fffd50019c0, flags=...) at kernel/qeventloop.cpp:204
#38 0x00007f62fa3343e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#39 0x00007f62fdc0073f in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_krunner.so
#40 0x00007f62fd83876d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fffd5001c68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd5001c58) at libc-start.c:226
#41 0x0000000000400671 in _start ()

Reported using DrKonqi