. Thread 2 (process 4219): #0 0xb7f73430 in __kernel_vsyscall () #1 0xb65217b1 in select () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7382390 in ?? () from /usr/lib/libQtCore.so.4 #3 0xb72b096e in ?? () from /usr/lib/libQtCore.so.4 #4 0xb62ae4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #5 0xb652949e in clone () from /lib/tls/i686/cmov/libc.so.6 . Thread 1 (process 4144): #0 0xb7f2afed in ?? () from /usr/lib/libkdeinit4_konsole.so #1 0xb7f31635 in ?? () from /usr/lib/libkdeinit4_konsole.so #2 0xb7f45b7d in ?? () from /usr/lib/libkdeinit4_konsole.so #3 0xb79d54d0 in KMainWindow::closeEvent () from /usr/lib/libkdeui.so.5 #4 0xb69ac62a in QWidget::event () from /usr/lib/libQtGui.so.4 #5 0xb6da4427 in QMainWindow::event () from /usr/lib/libQtGui.so.4 #6 0xb79d4c17 in KMainWindow::event () from /usr/lib/libkdeui.so.5 #7 0xb7a1941c in KXmlGuiWindow::event () from /usr/lib/libkdeui.so.5 #8 0xb6955f5c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #9 0xb695e342 in QApplication::notify () from /usr/lib/libQtGui.so.4 #10 0xb78f176d in KApplication::notify () from /usr/lib/libkdeui.so.5 #11 0xb73a4a4b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #12 0xb69610ae in QCoreApplication::sendSpontaneousEvent () from /usr/lib/libQtGui.so.4 #13 0xb69b1da7 in QWidgetPrivate::close_helper () from /usr/lib/libQtGui.so.4 #14 0xb69b9b9b in QApplication::x11ClientMessage () from /usr/lib/libQtGui.so.4 #15 0xb69cc0ec in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4 #16 0xb69f7d2a in ?? () from /usr/lib/libQtGui.so.4 #17 0xb61dea58 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #18 0xb61e1fbb in ?? () from /usr/lib/libglib-2.0.so.0 #19 0xb61e2138 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #20 0xb73d0448 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4 #21 0xb69f7425 in ?? () from /usr/lib/libQtGui.so.4 #22 0xb73a307a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #23 0xb73a34ba in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #24 0xb73a5969 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4 #25 0xb6955dd7 in QApplication::exec () from /usr/lib/libQtGui.so.4 #26 0xb7f480a2 in kdemain () from /usr/lib/libkdeinit4_konsole.so #27 0x080486e2 in _start ()