[1][dmenu]% sleep 2; echo hi | ./dmenu
XGetWindowAttributes(dc->dpy, dw, fwa = { x=-1, y=-1, w=1, h=1 })
XTranslateCoordinates(dc->dpy, dw, fwa.root, fwa.x=-1, fwa.y=-1, x=-2, y=13, chi=0);
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  1 (X_CreateWindow)
  Value in failed request:  0x0
  Serial number of failed request:  65
  Current serial number in output stream:  66

[1][dmenu]% sleep 2; echo hi | ./dmenu
XGetWindowAttributes(dc->dpy, dw, fwa = { x=-1, y=-1, w=1, h=1 })
XTranslateCoordinates(dc->dpy, dw, fwa.root, fwa.x=-1, fwa.y=-1, x=-2, y=13, chi=0);
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  1 (X_CreateWindow)
  Value in failed request:  0x0
  Serial number of failed request:  65
  Current serial number in output stream:  66