diff --git a/winsup/utils/ChangeLog b/winsup/utils/ChangeLog
index 62e083777..26a2a13fe 100644
--- a/winsup/utils/ChangeLog
+++ b/winsup/utils/ChangeLog
@@ -1,3 +1,8 @@
+2009-01-29  Corinna Vinschen  <corinna@vinschen.de>
+
+	* cygcheck.cc (dump_sysinfo): Evaluate and print state of
+	obcaseinsensitive kernel flag.
+
 2009-01-21  Corinna Vinschen  <corinna@vinschen.de>
 
 	* passwd.c: Remove CYGWIN=server requirement from usage text.
diff --git a/winsup/utils/cygcheck.cc b/winsup/utils/cygcheck.cc
index 97d68457d..61f60a619 100644
--- a/winsup/utils/cygcheck.cc
+++ b/winsup/utils/cygcheck.cc
@@ -1208,6 +1208,8 @@ dump_sysinfo ()
   bool is_nt = false;
   bool more_info = true;
   char osname[128];
+  DWORD obcaseinsensitive = 1;
+  HKEY key;
 
   printf ("\nCygwin Configuration Diagnostics\n");
   time (&now);
@@ -1523,6 +1525,17 @@ dump_sysinfo ()
   else
     printf ("Use '-r' to scan registry\n\n");
 
+  if (RegOpenKeyEx (HKEY_LOCAL_MACHINE,
+                  "SYSTEM\\CurrentControlSet\\Control\\Session Manager\\kernel",
+                  0, KEY_READ, &key) == ERROR_SUCCESS)
+    {
+      DWORD size;
+      RegQueryValueEx (key, "obcaseinsensitive", NULL, NULL,
+                       (LPBYTE) &obcaseinsensitive, &size);
+      RegCloseKey (key);
+    }
+  printf ("obcaseinsensitive set to %d\n\n", obcaseinsensitive);
+
   if (givehelp)
     {
       printf ("Listing available drives...\n");