The pixmap should never be referenced again. XFreePixmap can generate a BadPixmap error. The server failed to allocate the requested resource or server memory. BadDrawable A value for a Drawable argument does not name a defined Window or Pixmap. A value for a Pixmap argument does not name a defined Pixmap.
Some numeric value falls outside the range of values accepted by the request.
Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument defined as a set of alternatives can generate this error.