Version:           3.0.0 (using KDE 3.2.0, Gentoo)
Compiler:          gcc version 3.3.2 20040119 (Gentoo Linux 3.3.2-r7, propolice-3.3-7)
OS:          Linux (i686) release 2.6.3-rc3-gentoo

when I close the current project, and open a exist project, kdevelop is crash. 

the hole output of crash as below:
YJ-Gentoo root # kdevelop
Connecting kdevelop-16093/KDevCore/projectClosed()
PyDCOP connect kdevelop-16093/KDevCore/projectClosed()/f1() has result true
Connecting kdevelop-16093/KDevCore/projectOpened()
PyDCOP connect kdevelop-16093/KDevCore/projectOpened()/f2() has result true
QObject::connect: No such slot subversionPart::slotActionAdd()
QObject::connect:  (sender name:   'subversion_add')
QObject::connect:  (receiver name: 'Subversion')
QObject::connect: No such slot subversionPart::slotActionRemove()
QObject::connect:  (sender name:   'subversion_remove')
QObject::connect:  (receiver name: 'Subversion')
QObject::connect: No such slot subversionPart::slotActionAddToIgnoreList()
QObject::connect:  (sender name:   'subversion_ignore')
QObject::connect:  (receiver name: 'Subversion')
QObject::connect: No such slot subversionPart::slotActionRemoveFromIgnoreList()
QObject::connect:  (sender name:   'subversion_donot_ignore')
QObject::connect:  (receiver name: 'Subversion')
QObject::connect: No such slot subversionPart::slotStopButtonClicked(KDevPlugin*)
QObject::connect:  (sender name:   'unnamed')
QObject::connect:  (receiver name: 'Subversion')
QMetaObject::findSignal:KFileDetailView: Conflict with QListView::doubleClicked(QListViewItem*,const QPoint&,int)
QObject::connect: No such slot KDevFileSelector::initialDirChangeHack()
QObject::connect:  (sender name:   'unnamed')
QObject::connect:  (receiver name: 'fileselectorwidget')
kdecore (KAction): WARNING: KActionCollection::KActionCollection( QObject *parent, const char *name, KInstance *instance )
kdecore (KAccel): WARNING: KKeySequence::init( seq ): key[0] is null.
kdecore (KAccel): WARNING: KKeySequence::init( seq ): key[0] is null.
ASSERT: "part && parent" in partwidget.cpp (41)
fun: f2()
bar2 called
fun: f1()
bar1 called
kdecore (KAccel): WARNING: KKeySequence::init( seq ): key[0] is null.
kdecore (KAccel): WARNING: KKeySequence::init( seq ): key[0] is null.

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the core dump as below:

(no debugging symbols found)...Using host libthread_db library "/lib/libthread_db.so.1".
(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...0x417fa02b in waitpid ()
   from /lib/libpthread.so.0
#0  0x417fa02b in waitpid () from /lib/libpthread.so.0
#1  0x40dbff3c in ?? () from /usr/kde/3.2/lib/libkdecore.so.4

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plugins:
ALL