diff --git a/checkin_notes b/checkin_notes
index 865c318a05..942a25e715 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -2431,3 +2431,13 @@ David  1 Mar 2009
 
     html/user/
         edit_form_preferences_form.php
+
+David  1 Mar 2009
+    - manager and GUI RPC: always show resource debt and backoff even if zero;
+        also show backoff interval
+
+    clientgui/
+        DlgItemProperties.cpp
+    lib/
+        gui_rpc_client.h
+        gui_rpc_client_ops.cpp
diff --git a/clientgui/DlgItemProperties.cpp b/clientgui/DlgItemProperties.cpp
index 083d8754c8..c03809de5d 100755
--- a/clientgui/DlgItemProperties.cpp
+++ b/clientgui/DlgItemProperties.cpp
@@ -139,12 +139,18 @@ void CDlgItemProperties::renderInfos(PROJECT* project_in) {
 	addProperty(_("CPU work fetch priority"),wxString::Format(wxT("%0.2f"), project->cpu_long_term_debt));
     if (project->cpu_backoff_time > dtime()) {
 		addProperty(_("CPU work fetch deferred for"), FormatTime(project->cpu_backoff_time - dtime()));
+    } else {
+        addProperty(_("CPU work fetch not deferred "), _(""));
     }
-    if (project->cuda_debt) {
+    addProperty(_("CPU work fetch deferral interval"), FormatTime(project->cpu_backoff_interval));
+    if (pDoc->state.have_cuda) {
         addProperty(_("NVIDIA GPU work fetch priority"),wxString::Format(wxT("%0.2f"), project->cuda_debt));
-    }
-    if (project->cuda_backoff_time > dtime()) {
-		addProperty(_("NVIDIA GPU work fetch deferred for"), FormatTime(project->cuda_backoff_time - dtime()));
+        if (project->cuda_backoff_time > dtime()) {
+            addProperty(_("NVIDIA GPU work fetch deferred for"), FormatTime(project->cuda_backoff_time - dtime()));
+        } else {
+            addProperty(_("NVIDIA GPU work fetch not deferred "), _(""));
+        }
+        addProperty(_("NVIDIA GPU work fetch deferral interval"), FormatTime(project->cuda_backoff_interval));
     }
 	addProperty(_("Duration correction factor"),wxString::Format(wxT("%0.4f"), project->duration_correction_factor));
 	m_gbSizer->Layout();
diff --git a/lib/gui_rpc_client.h b/lib/gui_rpc_client.h
index 8b9affe333..ea89287211 100644
--- a/lib/gui_rpc_client.h
+++ b/lib/gui_rpc_client.h
@@ -109,9 +109,11 @@ public:
     double min_rpc_time;           // earliest time to contact any server
     double short_term_debt;
     double cpu_long_term_debt;
-    double cuda_debt;
     double cpu_backoff_time;
+    double cpu_backoff_interval;
+    double cuda_debt;
     double cuda_backoff_time;
+    double cuda_backoff_interval;
     double duration_correction_factor;
 
     bool master_url_fetch_pending; // need to fetch and parse the master URL
@@ -331,6 +333,7 @@ public:
     GLOBAL_PREFS global_prefs;  // working prefs, i.e. network + override
     VERSION_INFO version_info;  // populated only if talking to pre-5.6 CC
     bool executing_as_daemon;   // true if Client is running as a service / daemon
+    bool have_cuda;
 
     CC_STATE();
     ~CC_STATE();
diff --git a/lib/gui_rpc_client_ops.cpp b/lib/gui_rpc_client_ops.cpp
index 06fe2e0eef..8cab3f1095 100644
--- a/lib/gui_rpc_client_ops.cpp
+++ b/lib/gui_rpc_client_ops.cpp
@@ -198,8 +198,10 @@ int PROJECT::parse(MIOFILE& in) {
         if (parse_double(buf, "<short_term_debt>", short_term_debt)) continue;
         if (parse_double(buf, "<long_term_debt>", cpu_long_term_debt)) continue;
         if (parse_double(buf, "<cpu_backoff_time>", cpu_backoff_time)) continue;
+        if (parse_double(buf, "<cpu_backoff_interval>", cpu_backoff_interval)) continue;
         if (parse_double(buf, "<cuda_debt>", cuda_debt)) continue;
         if (parse_double(buf, "<cuda_backoff_time>", cuda_backoff_time)) continue;
+        if (parse_double(buf, "<cuda_backoff_interval>", cuda_backoff_interval)) continue;
         if (parse_double(buf, "<duration_correction_factor>", duration_correction_factor)) continue;
         if (parse_bool(buf, "master_url_fetch_pending", master_url_fetch_pending)) continue;
         if (parse_int(buf, "<sched_rpc_pending>", sched_rpc_pending)) continue;
@@ -246,7 +248,11 @@ void PROJECT::clear() {
     min_rpc_time = 0;
     short_term_debt = 0;
     cpu_long_term_debt = 0;
+    cpu_backoff_time = 0;
+    cpu_backoff_interval = 0;
     cuda_debt = 0;
+    cuda_backoff_time = 0;
+    cuda_backoff_interval = 0;
     duration_correction_factor = 0;
     master_url_fetch_pending = false;
     sched_rpc_pending = 0;
@@ -621,6 +627,7 @@ void CC_STATE::clear() {
     results.clear();
     platforms.clear();
     executing_as_daemon = false;
+    have_cuda = false;
 }
 
 PROJECT* CC_STATE::lookup_project(string& str) {
@@ -1085,6 +1092,7 @@ int RPC_CLIENT::get_state(CC_STATE& state) {
             if (parse_int(buf, "<minor_version>", state.version_info.minor)) continue;
             if (parse_int(buf, "<release>", state.version_info.release)) continue;
             if (parse_bool(buf, "executing_as_daemon", state.executing_as_daemon)) continue;
+            if (parse_bool(buf, "have_cuda", state.have_cuda)) continue;
             if (match_tag(buf, "<project>")) {
                 project = new PROJECT();
                 project->parse(rpc.fin);