how to debug "segment fault" problem in kdevelop?

明覺 shi.minjue at gmail.com
Sat Apr 25 18:56:13 BST 2009


Greetings!

I download the k3dsurf project(a kdevelop project) and compiled it in
kdevelop successfully, but when i run it, it says "segment fault", how
could I debug it? thanks. here is the gdb info:
-------------------------------------------------------------------------
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
(gdb) run
Starting program: /root/workspace/C++/k3dsurf/bin/k3dsurf
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5d74a60 in ?? () from /lib/libc.so.6
(gdb) bt
#0  0x00007ffff5d74a60 in ?? () from /lib/libc.so.6
#1  0x00007ffff6ec4651 in glXWaitX () from /usr/lib/libGL.so.1
#2  0x00007ffff790c2a1 in QGLWidget::resizeEvent(QResizeEvent*) ()
   from /usr/lib/libqt-mt.so.3
#3  0x00007ffff772f07b in QWidget::event(QEvent*) ()
   from /usr/lib/libqt-mt.so.3
#4  0x00007ffff76a8953 in QApplication::internalNotify(QObject*, QEvent*) ()
   from /usr/lib/libqt-mt.so.3
#5  0x00007ffff76a962e in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libqt-mt.so.3
#6  0x00007ffff76aa03a in QApplication::sendPostedEvents(QObject*, int) ()
   from /usr/lib/libqt-mt.so.3
#7  0x00007ffff773018d in QWidget::show() () from /usr/lib/libqt-mt.so.3
#8  0x00007ffff772e5d1 in QWidget::showChildren(bool) ()
   from /usr/lib/libqt-mt.so.3
#9  0x00007ffff7730260 in QWidget::show() () from /usr/lib/libqt-mt.so.3
#10 0x00007ffff772e5d1 in QWidget::showChildren(bool) ()
   from /usr/lib/libqt-mt.so.3
#11 0x00007ffff7730260 in QWidget::show() () from /usr/lib/libqt-mt.so.3
#12 0x00007ffff78193c9 in QWidgetStack::show() () from /usr/lib/libqt-mt.so.3
#13 0x00007ffff772e5d1 in QWidget::showChildren(bool) ()
   from /usr/lib/libqt-mt.so.3
#14 0x00007ffff7730260 in QWidget::show() () from /usr/lib/libqt-mt.so.3
------------------

(the project source code is downloaded from
http://www.kde-apps.org/content/show.php?content=25049)
-- 
My platform is debian-sid-amd64 gnome kdevelop.




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