On Mon, 2014-04-21 at 22:13 -0700, Keith Packard wrote: > I think you missed a return path about 8 lines before this: > > else { > client->errorValue = (visual ? visual : fbconfigId); > free(pGlxPixmap); > return BadValue; > } > > XFlush(dpy); > } Indeed, new patches in a moment. - ajax