[STUMP] GIMP is crashing stumpwm

[Eugene N. Tyurin]

Running current Debian/unstable.

Open a file in gimp, hit Ctrl-T <something> to swith to another window
and *boom*.  Here's the diagnostics:

(HANDLING EVENT :UNMAP-NOTIFY)
(HANDLING EVENT :DESTROY-NOTIFY)
(HANDLING EVENT :PROPERTY-NOTIFY)
(HANDLING EVENT :FOCUS-OUT)
(HANDLING EVENT :KEY-PRESS)
(AWAITING COMMAND KEY)
(HANDLING COMMAND)
(#\1 0)
#<Function "DEFUN SET-DEFAULT-BINDINGS" {485EFE01}>
(FOUND IT)

Type-error in KERNEL::OBJECT-NOT-TYPE-ERROR-HANDLER:
   143733456 is not of type (SIGNED-BYTE 16)

Restarts:
  0: [CONTINUE] Return NIL from load of "/home/gene/.stumpwm-init.lisp".
  1: [ABORT   ] Skip remaining initializations.

Debug  (type H for help)

(XLIB::DECODE-WM-SIZE-HINTS #(593 143733456 3221220600 1077043649 64 ...))
Source: 
; File: /usr/share/common-lisp/source/cmucl-clx/manager.lisp
(SETF (WM-SIZE-HINTS-X HINTS)
        (CARD32->INT32 (AREF VECTOR 1))
      (WM-SIZE-HINTS-Y HINTS)
        (CARD32->INT32 (AREF VECTOR 2)))
0] X connection to :0.0 broken (explicit kill or server shutdown).

The application 'firefox-bin' lost its connection to the display :0.0;
most likely the X server was shut down or you killed/destroyed
the application.