{
   writev-XQueryExtension
   Memcheck:Param
   writev(vector[...])
   fun:writev
   fun:_X11TransSocketWritev
   fun:_X11TransWritev
   fun:_XSend
   fun:XQueryExtension
}
{
   write-gdk_x11_drawable_get_picture
   Memcheck:Param
   write(buf)
   obj:/lib/libpthread-2.5.so
   fun:_X11TransWrite
   fun:_XFlushInt
   fun:XRenderCreatePicture
   fun:gdk_x11_drawable_get_picture
}
{
   writev-XChangeProperty
   Memcheck:Param
   writev(vector[...])
   fun:writev
   fun:_X11TransSocketWritev
   fun:_X11TransWritev
   fun:_XSend
   fun:XChangeProperty
}