diff -up xdpyinfo-1.0.2/xdpyinfo.c.jx xdpyinfo-1.0.2/xdpyinfo.c
--- xdpyinfo-1.0.2/xdpyinfo.c.jx	2008-04-25 13:28:35.000000000 -0400
+++ xdpyinfo-1.0.2/xdpyinfo.c	2008-04-25 13:36:28.000000000 -0400
@@ -135,6 +135,14 @@ in this Software without prior written a
 char *ProgramName;
 Bool queryExtensions = False;
 
+static int
+silent_errors(Display *dpy, XErrorEvent *ev)
+{
+    return 0;
+}
+
+static int (*old_handler)(Display *, XErrorEvent *) = NULL;
+
 static int print_event_mask(char *buf, int lastcol, int indent, long mask);
 
 static int StrCmp(const void *a, const  void *b)
@@ -730,12 +738,16 @@ print_dga_info(Display *dpy, char *extna
 	return 1;
     }
 
+    old_handler = XSetErrorHandler(silent_errors);
+
     if (!XF86DGAGetVideoLL(dpy, DefaultScreen(dpy), &offset,
 			    &width, &bank, &ram))
 	return 0;
     printf("  Base address = 0x%X, Width = %d, Bank size = %d,"
 	   " RAM size = %dk\n", offset, width, bank, ram);
 
+    XSetErrorHandler(old_handler);
+
     return 1;
 }
 #endif
@@ -846,24 +858,17 @@ char *flgtable[] = { "None", "ClearDTR",
 		     "ClearDTR and ClearRTS" };
 
 static int
-misc_error(Display *dpy, XErrorEvent *ev)
-{
-    return 0;
-}
-
-static int
 print_XF86Misc_info(Display *dpy, char *extname)
 {
     int majorrev, minorrev, ret = 1;
     XF86MiscMouseSettings mouseinfo;
     XF86MiscKbdSettings kbdinfo;
-    int (*old_handler)(Display *, XErrorEvent *);
 
     if (!XF86MiscQueryVersion(dpy, &majorrev, &minorrev))
 	return 0;
     print_standard_extension_info(dpy, extname, majorrev, minorrev);
 
-    old_handler = XSetErrorHandler(misc_error);
+    old_handler = XSetErrorHandler(silent_errors);
 
     if ((majorrev > 0) || (majorrev == 0 && minorrev > 0)) do {
       if (!XF86MiscGetKbdSettings(dpy, &kbdinfo)) {