diff -Naur httpd-2.2.3-postpatch/server/mpm/experimental/peruser/peruser.c httpd-2.2.3/server/mpm/experimental/peruser/peruser.c
--- httpd-2.2.3-postpatch/server/mpm/experimental/peruser/peruser.c	2008-02-11 22:41:24.000000000 -0600
+++ httpd-2.2.3/server/mpm/experimental/peruser/peruser.c	2008-02-11 22:38:28.000000000 -0600
@@ -114,6 +114,10 @@
 #include <sys/processor.h> /* for bindprocessor() */
 #endif
 
+#ifdef HAVE_SYS_PRCTL_H
+#include <sys/prctl.h>
+#endif
+
 #if APR_HAS_SHARED_MEMORY
 #include "apr_shm.h"
 #else
@@ -1440,6 +1444,18 @@
                      (long) senv->uid);
         return -1;
     }
+#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE)
+    /* this applies to Linux 2.4+ */
+#ifdef AP_MPM_WANT_SET_COREDUMPDIR
+    if (ap_coredumpdir_configured) {
+        if (prctl(PR_SET_DUMPABLE, 1)) {
+            ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
+                         "set dumpable failed - this child will not coredump"
+                         " after software errors");
+        }
+    }
+#endif
+#endif
     return 0;
 }