diff --git a/checkin_notes b/checkin_notes
index 7613c17861..9d903fbcad 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -2967,3 +2967,15 @@ Charlie  19 Apr 2010
 
     mac_installer/
         PostInstall.cpp
+
+David  20 Apr 2010
+    - client: show "waiting for GPU memory" in task status
+
+	client/
+		client_types.cpp
+		cpu_sched.cpp
+	clientgui/
+		ViewWork.cpp
+	lib/
+		gui_rpc_client.h
+		gui_rpc_client_ops.cpp
diff --git a/client/client_types.cpp b/client/client_types.cpp
index 303b81d671..b759c4c71b 100644
--- a/client/client_types.cpp
+++ b/client/client_types.cpp
@@ -1757,6 +1757,7 @@ int RESULT::write_gui(MIOFILE& out) {
     if (project->suspended_via_gui) out.printf("    <project_suspended_via_gui/>\n");
     if (edf_scheduled) out.printf("    <edf_scheduled/>\n");
     if (coproc_missing) out.printf("    <coproc_missing/>\n");
+    if (schedule_backoff > gstate.now) out.printf("    <gpu_mem_wait/>\n");
     ACTIVE_TASK* atp = gstate.active_tasks.lookup_result(this);
     if (atp) {
         atp->write_gui(out);
diff --git a/client/cpu_sched.cpp b/client/cpu_sched.cpp
index 05a96c6ecf..2ca331e67b 100644
--- a/client/cpu_sched.cpp
+++ b/client/cpu_sched.cpp
@@ -1114,9 +1114,14 @@ static inline bool get_integer_assignment(
     if (nfree < usage) {
         if (log_flags.coproc_debug) {
             msg_printf(rp->project, MSG_INFO,
-                "[coproc_debug] Insufficient %s for %s; %d < %d",
+                "[coproc_debug] Insufficient %s for %s; need %d, available %d",
                 cp->type, rp->name, nfree, (int)usage
             );
+            if (defer_sched) {
+                msg_printf(rp->project, MSG_INFO,
+                    "[coproc_debug] some instances lack available memory"
+                );
+            }
         }
         return false;
     }
diff --git a/clientgui/ViewWork.cpp b/clientgui/ViewWork.cpp
index 5a3ce0a5b8..d68d82efca 100644
--- a/clientgui/ViewWork.cpp
+++ b/clientgui/ViewWork.cpp
@@ -1185,6 +1185,9 @@ void CViewWork::GetDocStatus(wxInt32 item, wxString& strBuffer) const {
         } else {
             strBuffer += _("Ready to start");
         }
+        if (result->gpu_mem_wait) {
+            strBuffer += _(" (waiting for GPU memory)");
+        }
         break;
     case RESULT_COMPUTE_ERROR:
         strBuffer += _("Computation error");
diff --git a/lib/gui_rpc_client.h b/lib/gui_rpc_client.h
index 791fcd1f06..f563b64c54 100644
--- a/lib/gui_rpc_client.h
+++ b/lib/gui_rpc_client.h
@@ -244,6 +244,7 @@ public:
     bool suspended_via_gui;
     bool project_suspended_via_gui;
     bool coproc_missing;
+    bool gpu_mem_wait;
 
     // the following defined if active
     bool active_task;
diff --git a/lib/gui_rpc_client_ops.cpp b/lib/gui_rpc_client_ops.cpp
index be3f3b7e1e..47f45e003d 100644
--- a/lib/gui_rpc_client_ops.cpp
+++ b/lib/gui_rpc_client_ops.cpp
@@ -458,6 +458,7 @@ int RESULT::parse(MIOFILE& in) {
         if (parse_bool(buf, "suspended_via_gui", suspended_via_gui)) continue;
         if (parse_bool(buf, "project_suspended_via_gui", project_suspended_via_gui)) continue;
         if (parse_bool(buf, "coproc_missing", coproc_missing)) continue;
+        if (parse_bool(buf, "gpu_mem_wait", gpu_mem_wait)) continue;
         if (match_tag(buf, "<active_task>")) {
             active_task = true;
             continue;
@@ -520,6 +521,7 @@ void RESULT::clear() {
     suspended_via_gui = false;
     project_suspended_via_gui = false;
     coproc_missing = false;
+    gpu_mem_wait = false;
 
     active_task = false;
     active_task_state = 0;