. Thread 1 (process 24865): #0 0xb7facfbd in ?? () from /lib/ld-linux.so.2 #1 0xb650ac84 in ?? () from /lib/tls/i686/cmov/libdl.so.2 #2 0xb7fa76e6 in ?? () from /lib/ld-linux.so.2 #3 0xb650b01c in ?? () from /lib/tls/i686/cmov/libdl.so.2 #4 0xb650acba in dlclose () from /lib/tls/i686/cmov/libdl.so.2 #5 0xb417779d in ?? () from /usr/lib/libGL.so.1 #6 0xb4157c2a in ?? () from /usr/lib/libGL.so.1 #7 0xb6a80f45 in _XFreeExtData () from /usr/lib/libX11.so.6 #8 0xb6a8dbc1 in _XFreeDisplayStructure () from /usr/lib/libX11.so.6 #9 0xb6a7a296 in XCloseDisplay () from /usr/lib/libX11.so.6 #10 0xb6ebdd18 in ?? () from /usr/lib/libQtGui.so.4 #11 0xb6e62bd6 in QApplication::~QApplication () from /usr/lib/libQtGui.so.4 #12 0xb7c7ddde in KApplication::~KApplication () from /usr/lib/libkdeui.so.5 #13 0xb7f7f470 in kdemain () from /usr/lib/libkdeinit4_kcmshell4.so #14 0x080485b2 in _start ()