Version:           3.0.0a5 (using KDE 3.1.0)
Installed from:    SuSE
Compiler:          gcc version 3.2
OS:          Linux (i686) release 2.4.19-64GB-SMP

I'am sorry to tell you that I wasn't able to reproduce this crash.

[New Thread 1024 (LWP 16506)]
[New Thread 2049 (LWP 16509)]
[New Thread 2050 (LWP 1319)]
0x414ba8c9 in wait4 () from /lib/libc.so.6
#0  0x414ba8c9 in wait4 () from /lib/libc.so.6
#1  0x41535c90 in __DTOR_END__ () from /lib/libc.so.6
#2  0x41315a93 in waitpid () from /lib/libpthread.so.0
#3  0x40a3cb0d in KCrash::defaultCrashHandler(int) ()
   from /opt/kde3/lib/libkdecore.so.4
#4  0x4131312b in pthread_sighandler () from /lib/libpthread.so.0
#5  <signal handler called>
#6  0x409ff86a in KProcess::writeStdin(char const*, int) ()
   from /opt/kde3/lib/libkdecore.so.4
#7  0x4262d5c8 in GDBDebugger::GDBController::executeCmd() ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#8  0x4262d4a7 in GDBDebugger::GDBController::queueCmd(GDBDebugger::DbgCommand*, bool) () from /opt/kde3/lib/kde3/libkdevdebugger.so
#9  0x42632517 in GDBDebugger::GDBController::setBreakpoint(QCString const&, int) () from /opt/kde3/lib/kde3/libkdevdebugger.so
#10 0x42634ce5 in GDBDebugger::GDBController::slotBPState(GDBDebugger::Breakpoint const&) () from /opt/kde3/lib/kde3/libkdevdebugger.so
#11 0x4263739b in GDBDebugger::GDBController::qt_invoke(int, QUObject*) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#12 0x40dab280 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#13 0x42644d86 in GDBDebugger::GDBBreakpointWidget::publishBPState(GDBDebugger::Breakpoint const&) () from /opt/kde3/lib/kde3/libkdevdebugger.so
#14 0x42642bc7 in GDBDebugger::GDBBreakpointWidget::reset() ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#15 0x426295e1 in GDBDebugger::DebuggerPart::slotStopDebugger() ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#16 0x42629dcc in GDBDebugger::DebuggerPart::slotStop(KDevPlugin*) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#17 0x4262a306 in GDBDebugger::DebuggerPart::slotStatus(QString const&, int) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#18 0x4262ac50 in GDBDebugger::DebuggerPart::qt_invoke(int, QUObject*) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#19 0x40dab280 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#20 0x426371bd in GDBDebugger::GDBController::dbgStatus(QString const&, int) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#21 0x4262dd3c in GDBDebugger::GDBController::programNoApp(QString const&, bool) () from /opt/kde3/lib/kde3/libkdevdebugger.so
#22 0x42630bb7 in GDBDebugger::GDBController::parseLine(char*) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#23 0x42632446 in GDBDebugger::GDBController::parseOther(char*) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#24 0x426324af in GDBDebugger::GDBController::parse(char*) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#25 0x42635bfb in GDBDebugger::GDBController::slotDbgStdout(KProcess*, char*, int) () from /opt/kde3/lib/kde3/libkdevdebugger.so
#26 0x42635e0b in GDBDebugger::GDBController::slotDbgStderr(KProcess*, char*, int) () from /opt/kde3/lib/kde3/libkdevdebugger.so
#27 0x426374cd in GDBDebugger::GDBController::qt_invoke(int, QUObject*) ()
   from /opt/kde3/lib/kde3/libkdevdebugger.so
#28 0x40dab309 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#29 0x40a0129b in KProcess::receivedStderr(KProcess*, char*, int) ()
   from /opt/kde3/lib/libkdecore.so.4
#30 0x409ffd47 in KProcess::childError(int) ()
   from /opt/kde3/lib/libkdecore.so.4
#31 0x409ffb29 in KProcess::slotChildError(int) ()
   from /opt/kde3/lib/libkdecore.so.4
#32 0x40a0141f in KProcess::qt_invoke(int, QUObject*) ()
   from /opt/kde3/lib/libkdecore.so.4
#33 0x40dab309 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#34 0x40dab3e5 in QObject::activate_signal(int, int) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#35 0x4108b0e2 in QSocketNotifier::activated(int) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#36 0x40dc79c0 in QSocketNotifier::event(QEvent*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#37 0x40d4d2e4 in QApplication::internalNotify(QObject*, QEvent*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#38 0x40d4ce4b in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#39 0x409cefc9 in KApplication::notify(QObject*, QEvent*) ()
   from /opt/kde3/lib/libkdecore.so.4
#40 0x40d26398 in QEventLoop::activateSocketNotifiers() ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#41 0x40d03bd3 in QEventLoop::processEvents(unsigned) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#42 0x40d60fa6 in QEventLoop::enterLoop() ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#43 0x40d60e48 in QEventLoop::exec() () from /usr/lib/qt3/lib/libqt-mt.so.3
#44 0x40d4d511 in QApplication::exec() () from /usr/lib/qt3/lib/libqt-mt.so.3
#45 0x0806dd27 in main ()
#46 0x414354a2 in __libc_start_main () from /lib/libc.so.6