Bug 137574

Version:           1.4.0 (using KDE 3.5.5, Kubuntu (edgy) 4:3.5.5-0ubuntu3)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.17-10-generic

The KDE Crash Handler pops-up when closing gwenview : "The applicaton unknown(gwenview) crashed and cause the signal 11 (SIGSEGV)". Here is the backtrace:
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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 -1231652544 (LWP 12357)]
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[KCrash handler]
#6  0xb699c404 in pthread_mutex_lock ()
   from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb7e22be6 in pthread_mutex_lock () from /lib/tls/i686/cmov/libc.so.6
#8  0xb6f4da7f in XInitThreads () from /usr/lib/libX11.so.6
#9  0xb6f68abf in XrmDestroyDatabase () from /usr/lib/libX11.so.6
#10 0xb6f4f38c in _XFreeDisplayStructure () from /usr/lib/libX11.so.6
#11 0xb6f3ae1a in XCloseDisplay () from /usr/lib/libX11.so.6
#12 0xb7217d14 in qt_cleanup () from /usr/lib/libqt-mt.so.3
#13 0xb7292c9e in QApplication::~QApplication () from /usr/lib/libqt-mt.so.3
#14 0xb790d849 in KApplication::~KApplication () from /usr/lib/libkdecore.so.4
#15 0xb6815d44 in kdemain () from /usr/lib/libkdeinit_gwenview.so
#16 0xb683b524 in kdeinitmain () from /usr/lib/kde3/gwenview.so
#17 0x0804e4df in ?? ()
#18 0x00000007 in ?? ()
#19 0x080a7438 in ?? ()
#20 0x00000001 in ?? ()
#21 0x00000000 in ?? ()