diff --git a/api/boinc_api.C b/api/boinc_api.C
index 5b8770047f..fe4e48086c 100644
--- a/api/boinc_api.C
+++ b/api/boinc_api.C
@@ -701,7 +701,7 @@ static void handle_process_control_msg() {
 #elif defined(__APPLE__)
                 PrintBacktrace();
 #endif
-                exit_from_timer_thread(EXIT_ABORTED_VIA_GUI);
+                exit_from_timer_thread(EXIT_ABORTED_BY_CLIENT);
             }
         }
         if (match_tag(buf, "<reread_app_info/>")) {
diff --git a/checkin_notes b/checkin_notes
index 0fae8b6845..2b5fe2632f 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -4902,3 +4902,20 @@ David  17 June 2008
         boinc_db.inc
         bossa_db.inc
         util.inc
+
+David  18 June 2008
+    - change EXIT_ABORTED_VIA_GUI to EXIT_ABORTED_BY_CLIENT
+    - change ERR_CHILD_FAILED TO EXIT_CHILD_FAILED
+        (it's an exit code, not a function error code)
+    - client: reduce severity of benchmark error
+    - scheduler: compile fix
+
+    api/
+        boinc_api.C
+    client/
+        cs_benchmark.C
+    lib/
+        str_util.C
+        error_numbers.h
+    sched/
+        sched_send.C
diff --git a/client/cs_benchmark.C b/client/cs_benchmark.C
index 95939ed1db..530a113c86 100644
--- a/client/cs_benchmark.C
+++ b/client/cs_benchmark.C
@@ -447,7 +447,7 @@ bool CLIENT_STATE::cpu_benchmarks_poll() {
             }
             ndone++;
             if (benchmark_descs[i].error) {
-                msg_printf(0, MSG_INTERNAL_ERROR, benchmark_descs[i].error_str);
+                msg_printf(0, MSG_INFO, benchmark_descs[i].error_str);
                 had_error = true;
             }
         }
@@ -460,7 +460,6 @@ bool CLIENT_STATE::cpu_benchmarks_poll() {
     if (ndone == bm_ncpus) {
         double old_p_fpops = host_info.p_fpops;
         if (had_error) {
-            msg_printf(NULL, MSG_INTERNAL_ERROR, "CPU benchmarks error");
 			cpu_benchmarks_set_defaults();
         } else {
             double p_fpops = 0;
diff --git a/html/user/bolt_compare.php b/html/user/bolt_compare.php
index fc796d823a..8c308fdf23 100644
--- a/html/user/bolt_compare.php
+++ b/html/user/bolt_compare.php
@@ -15,10 +15,47 @@ function show_results() {
 
 }
 
-if (get_str('submit', true)) {
-    show_results();
-} else {
-    show_form();
+//if (get_str('submit', true)) {
+//    show_results();
+//} else {
+//    show_form();
+//}
+
+// compute the mean and stdev of an array
+//
+function mean_stdev($array, &$mean, &$stdev) {
+    $n = 0;
+    $m = 0;
+    $m2 = 0;
+
+    foreach ($array as $x) {
+        $n++;
+        $delta = $x - $m;
+        $m += $delta/$n;
+        $m2 += $delta*($x-$m);
+    }
+    $mean = $m;
+    $stdev = sqrt($m2/($n-1));
 }
 
+// approximate the 90% confidence interval for the mean of an array
+//
+function conf_int_90($array, &$lo, &$hi) {
+    $n = count($array);
+    mean_stdev($array, $mean, $stdev);
+
+    // I'm too lazy to compute the t distribution
+    $t_90 = 1.7;
+    $d = $t_90 * $stdev / sqrt($n);
+    $lo = $mean - $d;
+    $hi = $mean + $d;
+}
+
+$a = array(1,1,1,1,0,1,1,1,3, 1, 1, 1, 1);
+//mean_stdev($a, $mean, $stdev);
+//echo "mean: $mean stdev: $stdev\n";
+
+conf_int_90($a, $lo, $hi);
+echo "lo $lo hi $hi\n";
+
 ?>
diff --git a/lib/error_numbers.h b/lib/error_numbers.h
index 1175d6c9f7..1d9a26ed6a 100644
--- a/lib/error_numbers.h
+++ b/lib/error_numbers.h
@@ -27,7 +27,8 @@
 
 #define EXIT_STATEFILE_WRITE    192
 #define EXIT_SIGNAL             193
-#define EXIT_ABORTED_VIA_GUI    194
+#define EXIT_ABORTED_BY_CLIENT  194
+#define EXIT_CHILD_FAILED       195
 
 // Function return values.
 // NOTE:  add new errors to the end of the list and don't change
@@ -184,7 +185,6 @@
 #define ERR_BAD_FILENAME    -225
 #define ERR_TOO_MANY_EXITS  -226
 #define ERR_RMDIR           -227
-#define ERR_CHILD_FAILED    -228
 #define ERR_SYMLINK         -229
 #define ERR_DB_CONN_LOST    -230
 
diff --git a/lib/str_util.C b/lib/str_util.C
index ccd01f5f32..047553b194 100644
--- a/lib/str_util.C
+++ b/lib/str_util.C
@@ -735,6 +735,8 @@ const char* boincerror(int which_error) {
         case ERR_BAD_FILENAME: return "file name is empty or has '..'";
         case ERR_TOO_MANY_EXITS: return "application exited too many times";
         case ERR_RMDIR: return "rmdir() failed";
+        case ERR_SYMLINK: return "symlink() failed";
+        case ERR_DB_CONN_LOST: return "DB connection lost during enumeration";
         case 404: return "HTTP file not found";
         case 407: return "HTTP proxy authentication failure";
         case 416: return "HTTP range request error";
diff --git a/sched/sched_send.C b/sched/sched_send.C
index d915c503a0..1d54e620f5 100644
--- a/sched/sched_send.C
+++ b/sched/sched_send.C
@@ -522,7 +522,7 @@ static inline int check_bandwidth(
     // if n_bwdown is zero, the host has never downloaded anything,
     // so skip this check
     //
-    if (host.n_bwdown == 0) return 0;
+    if (reply.host.n_bwdown == 0) return 0;
 
     double diff = wu.rsc_bandwidth_bound - reply.host.n_bwdown;
     if (diff > 0) {