diff --git a/checkin_notes b/checkin_notes
index 26520180f3..bb7bdc1300 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -8510,3 +8510,11 @@ David  30 Nov 2010
         sched_types.h
         sched_customize.cpp
         sched_version.cpp
+
+David  30 Nov 2010
+    - client: on startup, generate a notice if any jobs require more RAM
+        than is allowed by prefs
+
+    client/
+        client_state.cpp
+        cpu_sched.cpp
diff --git a/client/client_state.cpp b/client/client_state.cpp
index 0c1cbc9843..906dcce8fc 100644
--- a/client/client_state.cpp
+++ b/client/client_state.cpp
@@ -216,6 +216,25 @@ static void check_no_apps(PROJECT* p) {
     }
 }
 
+// alert user if any jobs need more RAM than available
+//
+static void check_too_large_jobs() {
+    double m = gstate.max_available_ram();
+    bool found = false;
+    for (unsigned int i=0; i<gstate.results.size(); i++) {
+        RESULT* rp = gstate.results[i];
+        if (rp->wup->rsc_memory_bound > m) {
+            found = true;
+            break;
+        }
+    }
+    if (found) {
+        msg_printf(0, MSG_USER_ALERT,
+            _("Some tasks need more memory than allowed by your preferences.  Please check the preferences.")
+        );
+    }
+}
+
 // Sometime has failed N times.
 // Calculate an exponential backoff between MIN and MAX
 //
@@ -527,11 +546,18 @@ int CLIENT_STATE::init() {
 
     http_ops->cleanup_temp_files();
 
+    // get list of BOINC projects occasionally,
+    // and initialize notice RSS feeds
+    //
     if (!config.no_info_fetch) {
         all_projects_list_check();
         notices.init_rss();
     }
 
+    // warn user if some jobs need more memory than available
+    //
+    check_too_large_jobs();
+
     initialized = true;
     return 0;
 }
diff --git a/client/cpu_sched.cpp b/client/cpu_sched.cpp
index b9d03d32af..62267d0d42 100644
--- a/client/cpu_sched.cpp
+++ b/client/cpu_sched.cpp
@@ -786,6 +786,9 @@ void add_coproc_jobs(int rsc_type, PROC_RESOURCES& proc_rsc) {
     RESULT* rp;
     bool can_run;
 
+#ifdef SIM
+    if (!cpu_sched_rr_only) {
+#endif
     // choose coproc jobs from projects with coproc deadline misses
     //
     while (!proc_rsc.stop_scan_coproc(rsc_type)) {
@@ -806,6 +809,9 @@ void add_coproc_jobs(int rsc_type, PROC_RESOURCES& proc_rsc) {
         rp->edf_scheduled = true;
         gstate.ordered_scheduled_results.push_back(rp);
     }
+#ifdef SIM
+    }
+#endif
 
     // then coproc jobs in FIFO order
     //
diff --git a/doc/sim_form.php b/doc/sim_form.php
index 2756281923..9d661a4136 100644
--- a/doc/sim_form.php
+++ b/doc/sim_form.php
@@ -119,7 +119,12 @@ if ($_POST['submit']) {
         $rr_only = '--cpu_sched_rr_only';
     }
 
-    $cmd = "./sim --duration $duration --delta $delta $suw --file_prefix $prefix $rr_only $llflag";
+    $prog = "./sim_debt";
+    if ($_POST['use_rec']) {
+        $prog = "./sim_rec";
+    }
+
+    $cmd = "$prog --duration $duration --delta $delta $suw --file_prefix $prefix $rr_only $llflag";
 
     $x = system($cmd);