On an Ubuntu Hardy/x64 OpenOffice crashes with the following error:
~$ ooffice
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x7fbc016cb97c]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x15) [0x7fbc016cba15]
#2 /usr/lib/libX11.so.6 [0x7fbc05395323]
#3 /usr/lib/libX11.so.6(XCreateWindow+0x44) [0x7fbc0538cd54]
#4 /usr/lib/libgdk-x11-2.0.so.0(gdk_window_new+0x395) [0x7fbc01275c05]
#5 /usr/lib/libgtk-x11-2.0.so.0 [0x7fbbfc9044c8]
#6 /usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x10f) [0x7fbc00709bcf]
#7 /usr/lib/libgobject-2.0.so.0 [0x7fbc0071d386]
#8 /usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x875) [0x7fbc0071f0d5]
#9 /usr/lib/libgobject-2.0.so.0(g_signal_emit+0x83) [0x7fbc0071f483]
#10 /usr/lib/libgtk-x11-2.0.so.0(gtk_widget_realize+0x77) [0x7fbbfc8f5957]
#11 /usr/lib/openoffice/program/libvclplug_gtk680lx.so [0x7fbbfccad76d]
#12 /usr/lib/openoffice/program/libvclplug_gtk680lx.so [0x7fbbfccae16a]
#13 /usr/lib/openoffice/program/libvclplug_gtk680lx.so [0x7fbbfccae82b]
#14 /usr/lib/openoffice/program/libvclplug_gtk680lx.so [0x7fbbfcc86f64]
#15 /usr/lib/openoffice/program/libvcl680lx.so [0x7fbc08c324ed]
#16 /usr/lib/openoffice/program/libvcl680lx.so [0x7fbc08bc7322]
#17 /usr/lib/openoffice/program/libvcl680lx.so(_ZN9TabDialogC2EP6WindowRK5ResId+0x5f) [0x7fbc08c041cf]
#18 /usr/lib/openoffice/program/libsvx680lx.so [0x7fbbf61d2084]
#19 /usr/lib/openoffice/program/libsvx680lx.so [0x7fbbf63a6db4]
This error disappears once openoffice.org-gtk and openoffice.org-gnome packages have been removed.