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List:       kdevelop-bugs
Subject:    [Bug 146958] crash stepping through c++ in debugger
From:       Sebastien Calvi <sebastien.calvi () yahoo ! com>
Date:       2008-10-20 15:22:53
Message-ID: 20081020152253.D315010234 () immanuel ! kde ! org
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http://bugs.kde.org/show_bug.cgi?id=146958


Sebastien Calvi sebastien calvi yahoo com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sebastien.calvi@yahoo.com




--- Comment #11 from Sebastien Calvi <sebastien calvi yahoo com>  2008-10-20 17:22:50 ---
Hello,

I'm using:

Version: 3.4.1 (using KDE KDE 3.5.9) Installed from: ubuntu hardi heron
GNU gdb 6.8-debian

I've had this crash a few times now (5-7 times in the past month, since i
started to work with Kdevelop)

here is the backtrace:

(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb5ef16c0 (LWP 30081)]
[New Thread 0xb467bb90 (LWP 31335)]
[New Thread 0xb5222b90 (LWP 31315)]
[KCrash handler]
#6  0xb479e3f1 in GDBDebugger::VarItem::handleSpecialTypes ()
   from /usr/lib/kde3/libkdevdebugger.so
#7  0xb479eca3 in GDBDebugger::VarItem::updateValue ()
   from /usr/lib/kde3/libkdevdebugger.so
#8  0xb47a0dda in GDBDebugger::VariableTree::handleVarUpdate ()
   from /usr/lib/kde3/libkdevdebugger.so
#9  0xb478cebf in GDBDebugger::GDBCommand::invokeHandler ()
   from /usr/lib/kde3/libkdevdebugger.so
#10 0xb478839e in GDBDebugger::GDBController::processMICommandResponse ()
   from /usr/lib/kde3/libkdevdebugger.so
#11 0xb4788957 in GDBDebugger::GDBController::slotDbgStdout ()
   from /usr/lib/kde3/libkdevdebugger.so
#12 0xb4784e12 in GDBDebugger::GDBController::qt_invoke ()
   from /usr/lib/kde3/libkdevdebugger.so
#13 0xb717d704 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#14 0xb7773a23 in KProcess::receivedStdout () from /usr/lib/libkdecore.so.4
#15 0xb7773b18 in KProcess::childOutput () from /usr/lib/libkdecore.so.4
#16 0xb7773b49 in KProcess::slotChildOutput () from /usr/lib/libkdecore.so.4
#17 0xb77757e2 in KProcess::qt_invoke () from /usr/lib/libkdecore.so.4
#18 0xb717d704 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#19 0xb717e051 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#20 0xb750db99 in QSocketNotifier::activated () from /usr/lib/libqt-mt.so.3
#21 0xb719f766 in QSocketNotifier::event () from /usr/lib/libqt-mt.so.3
#22 0xb7111c36 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#23 0xb7113a5f in QApplication::notify () from /usr/lib/libqt-mt.so.3
#24 0xb784b672 in KApplication::notify () from /usr/lib/libkdecore.so.4
#25 0xb70a228d in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#26 0xb7103b4a in QEventLoop::activateSocketNotifiers ()
   from /usr/lib/libqt-mt.so.3
#27 0xb70b7630 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#28 0xb712cf90 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#29 0xb712cc8e in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#30 0xb71137df in QApplication::exec () from /usr/lib/libqt-mt.so.3
#31 0x0804e644 in ?? ()
#32 0xb7c39450 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#33 0x0804da21 in ?? ()

Program received signal SIGSEGV, Segmentation fault. (ie. gdb crashed) 




An other thing I debug a lot using step over qnd step into and often, very
often gdb "quit" while my application is still running... I mainly debug
libraries that I compiled with the following options:
-Wall -O -ggdb3
Same options for the applicaion that I run through Kdevelop.


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