. Thread 1 (process 11493): #0 0xb737ac70 in _XCBLockDisplay (dpy=0x82f22a8) at ../../src/xcb_lock.c:18 No locals. #1 0xb7355456 in XFreeFont (dpy=0x82f22a8, fs=0x8423678) at ../../src/Font.c:160 ext = #2 0xb747ec51 in gdk_font_unref () from /usr/lib/libgdk-1.2.so.0 #3 0xb7b99422 in wxFontRefData::ClearGdkFonts () from /usr/lib/libwx_gtk-2.4.so.1 #4 0xb7b9b90a in wxFontRefData::~wxFontRefData () from /usr/lib/libwx_gtk-2.4.so.1 #5 0xb7c5def8 in wxObject::UnRef () from /usr/lib/libwx_gtk-2.4.so.1 #6 0xb7c1c708 in wxFontBase::~wxFontBase () from /usr/lib/libwx_gtk-2.4.so.1 #7 0xb7b99058 in wxFont::~wxFont () from /usr/lib/libwx_gtk-2.4.so.1 #8 0xb765f9d9 in exit () from /lib/tls/i686/cmov/libc.so.6 #9 0xb7648ec4 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #10 0x0805fe41 in _start ()