seems to fix the hang

thepatch.patch (text/plain), 776 bytes, created by Mikael Magnusson on 2011-09-12 16:42:15 UTC

diff -U7 -pudr nvidia-settings/src/gtk+-2.x/ctkdisplayconfig-utils.c nvidia-settings-mik/src/gtk+-2.x/ctkdisplayconfig-utils.c
--- nvidia-settings/src/gtk+-2.x/ctkdisplayconfig-utils.c	2011-09-12 18:39:50.132395318 +0200
+++ nvidia-settings-mik/src/gtk+-2.x/ctkdisplayconfig-utils.c	2011-09-12 18:22:52.160144622 +0200
@@ -1113,14 +1113,15 @@ void screen_link_display(nvScreenPtr scr
     } else {
         nvDisplayPtr last = screen->displays;
         while (last) {
             if (!last->next_in_screen) {
                 last->next_in_screen = display;
                 break;
             }
+            last = last->next_in_screen;
         }
     }
     screen->displays_mask |= display->device_mask;
     screen->num_displays++;
 
 } /* screen_link_display() */