(Fdelete_frame): When updating Vdefault_minibuffer_frame,

insist on a frame on the proper keyboard.

1 files changed, 10 insertions, 6 deletions

diff --git a/src/frame.c b/src/frame.c
index abad2114b2d..e6392da3d10 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -1014,9 +1014,9 @@ but if the second optional argument FORCE is non-nil, you may do so.")
         }
     }
 
-  /* If we've deleted Vdefault_minibuffer_frame, try to find another
-     one.  Prefer minibuffer-only frames, but also notice frames
-     with other windows.  */
+  /* If we've deleted this keyboard's default_minibuffer_frame, try to
+     find another one.  Prefer minibuffer-only frames, but also notice
+     frames with other windows.  */
   if (EQ (frame, FRAME_KBOARD (f)->Vdefault_minibuffer_frame))
     {
       Lisp_Object frames;
@@ -1030,16 +1030,20 @@ but if the second optional argument FORCE is non-nil, you may do so.")
            frames = XCONS (frames)->cdr)
         {
           Lisp_Object this;
+          struct frame *f1;
 
           this = XCONS (frames)->car;
           if (!FRAMEP (this))
             abort ();
-          f = XFRAME (this);
+          f1 = XFRAME (this);
 
-          if (FRAME_HAS_MINIBUF_P (f))
+          /* Consider only frames on the same kboard
+             and only those with minibuffers.  */
+          if (FRAME_KBOARD (f) == FRAME_KBOARD (f1)
+              && FRAME_HAS_MINIBUF_P (f1))
             {
               frame_with_minibuf = this;
-              if (FRAME_MINIBUF_ONLY_P (f))
+              if (FRAME_MINIBUF_ONLY_P (f1))
                 break;
             }
         }