here is the backtrace from crash handler:

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Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1235798336 (LWP 5694)]
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[KCrash handler]
#6  0xffffe410 in __kernel_vsyscall ()
#7  0xb76c1875 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb76c3201 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb78cd6e0 in __gnu_cxx::__verbose_terminate_handler ()
   from /usr/lib/libstdc++.so.6
#10 0xb78caf65 in ?? () from /usr/lib/libstdc++.so.6
#11 0xb78cafa2 in std::terminate () from /usr/lib/libstdc++.so.6
#12 0xb78cb0ca in __cxa_throw () from /usr/lib/libstdc++.so.6
#13 0x0814d9a6 in ?? ()
#14 0x0814df1a in ?? ()
#15 0x0814df78 in ?? ()
#16 0x0814e7c5 in ?? ()
#17 0x0814c2bd in ?? ()
#18 0x08135ef9 in ?? ()
#19 0x0809ad6d in ?? ()
#20 0x0807349f in ?? ()
#21 0x080755d5 in ?? ()
#22 0xb6c81893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#23 0xb700d8ec in QSignal::signal () from /usr/lib/libqt-mt.so.3
#24 0xb6ca1842 in QSignal::activate () from /usr/lib/libqt-mt.so.3
#25 0xb6ca9258 in QSingleShotTimer::event () from /usr/lib/libqt-mt.so.3
#26 0xb6c18af0 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#27 0xb6c1a91f in QApplication::notify () from /usr/lib/libqt-mt.so.3
#28 0xb7320cd2 in KApplication::notify () from /usr/lib/libkdecore.so.4
#29 0xb6bab209 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#30 0xb6c0b53b in QEventLoop::activateTimers () from /usr/lib/libqt-mt.so.3
#31 0xb6bbfd49 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#32 0xb6c331ce in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#33 0xb6c32fde in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#34 0xb6c1a699 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#35 0x08070345 in ?? ()
#36 0xb76ad050 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#37 0x08070091 in ?? ()