diff --git a/checkin_notes b/checkin_notes
index ce58118025..28e5db60d4 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -6386,3 +6386,14 @@ David  22 Sept 2011
 	client/
 		client_state.cpp
 		cs_trickle.cpp,h
+
+David  22 Sept 2011
+	- client: replicated trickles.  Seems to be working now.
+	- client: added <trickle_debug> config option
+
+	client/
+		cs_trickle.cpp
+		gui_http.cpp,h
+		httl_curl.cpp
+	lib/
+		cc_config.cpp,h
diff --git a/client/cs_trickle.cpp b/client/cs_trickle.cpp
index 577f087b28..f4950d5522 100644
--- a/client/cs_trickle.cpp
+++ b/client/cs_trickle.cpp
@@ -201,10 +201,18 @@ void send_replicated_trickles(PROJECT* p, const char* msg, char* result_name, in
     for (unsigned int i=0; i<p->trickle_up_ops.size(); i++) {
         TRICKLE_UP_OP *t = p->trickle_up_ops[i];
         if (t->gui_http->is_busy()) {
-            msg_printf(p, MSG_INFO, "TRICKLE CHANNEL IS BUSY");
+            if (log_flags.trickle_debug) {
+                msg_printf(p, MSG_INFO,
+                    "[trickle] Trickle channel to %s is busy", t->url.c_str()
+                );
+            }
             return;
         }
-        msg_printf(p, MSG_INFO, "SENDING REPLICATED TRICKLE TO %s", t->url.c_str());
+        if (log_flags.trickle_debug) {
+            msg_printf(p, MSG_INFO,
+                "[trickle] Sending replicated trickle to %s", t->url.c_str()
+            );
+        }
         t->do_rpc(buf);
     }
 }
@@ -257,11 +265,15 @@ void update_trickle_up_urls(PROJECT* p, vector<string> &urls) {
 }
 
 int TRICKLE_UP_OP::do_rpc(const char* msg) {
-    req_buf = strdup(msg);
+    int n = strlen(msg)+1;
+    if (n<65536) n = 65536;
+    req_buf = (char*)malloc(n);
+    strcpy(req_buf, msg);
     int retval = gui_http->do_rpc_post_str(
-        this, const_cast<char*>(url.c_str()), req_buf
+        this, const_cast<char*>(url.c_str()), req_buf, n
     );
     if (retval) {
+        msg_printf(0, MSG_INTERNAL_ERROR, "Trickle-up post failed: %d", retval);
         free(req_buf);
         req_buf = 0;
     }
@@ -282,7 +294,11 @@ int parse_trickle_up_urls(XML_PARSER& xp, std::vector<std::string>& urls) {
 }
 
 void TRICKLE_UP_OP::handle_reply(int http_op_retval) {
-    msg_printf(0, MSG_INFO, "TRICKLE RETVAL: %d", http_op_retval);
+    if (log_flags.trickle_debug) {
+        msg_printf(0, MSG_INFO,
+            "[trickle] Replicated trickle done; retval %d", http_op_retval
+        );
+    }
     if (req_buf) {
         free(req_buf);
         req_buf = 0;
diff --git a/client/gui_http.cpp b/client/gui_http.cpp
index 42fd19f3b9..677dc5d83f 100644
--- a/client/gui_http.cpp
+++ b/client/gui_http.cpp
@@ -73,11 +73,11 @@ int GUI_HTTP::do_rpc_post(
     return 0;
 }
 
-int GUI_HTTP::do_rpc_post_str(GUI_HTTP_OP* op, char* url, char* req_buf) {
+int GUI_HTTP::do_rpc_post_str(GUI_HTTP_OP* op, char* url, char* req_buf, int len) {
     if (gui_http_state != GUI_HTTP_STATE_IDLE) {
         return ERR_RETRY;
     }
-    int retval = http_op.init_post2(url, req_buf, 0, NULL, 0);
+    int retval = http_op.init_post2(url, req_buf, len, NULL, 0);
     if (retval) return retval;
     gstate.http_ops->insert(&http_op);
     gui_http_op = op;
diff --git a/client/gui_http.h b/client/gui_http.h
index a28a456e0d..a6cacc42d5 100644
--- a/client/gui_http.h
+++ b/client/gui_http.h
@@ -70,7 +70,7 @@ struct GUI_HTTP {
         const char* input_file, const char* output_file,
         bool is_background
     );
-    int do_rpc_post_str(GUI_HTTP_OP*, char* url, char* req);
+    int do_rpc_post_str(GUI_HTTP_OP*, char* url, char* req, int len);
     bool poll();
     inline bool is_busy() {
         return (gui_http_state == GUI_HTTP_STATE_BUSY);
diff --git a/client/http_curl.cpp b/client/http_curl.cpp
index 80e8aad675..4607a070aa 100644
--- a/client/http_curl.cpp
+++ b/client/http_curl.cpp
@@ -335,6 +335,7 @@ int HTTP_OP::init_post2(
     init();
     req1 = r1;
     req1_len = r1_len;
+    content_length = 0;
     if (in) {
         safe_strcpy(infile, in);
         file_offset = offset;
diff --git a/lib/cc_config.cpp b/lib/cc_config.cpp
index 935ae86fe7..0ac38c4036 100644
--- a/lib/cc_config.cpp
+++ b/lib/cc_config.cpp
@@ -90,6 +90,7 @@ int LOG_FLAGS::parse(XML_PARSER& xp) {
         if (xp.parse_bool("statefile_debug", statefile_debug)) continue;
         if (xp.parse_bool("task_debug", task_debug)) continue;
         if (xp.parse_bool("time_debug", time_debug)) continue;
+        if (xp.parse_bool("trickle_debug", trickle_debug)) continue;
         if (xp.parse_bool("unparsed_xml", unparsed_xml)) continue;
         if (xp.parse_bool("work_fetch_debug", work_fetch_debug)) continue;
         if (xp.parse_bool("notice_debug", notice_debug)) continue;
@@ -133,6 +134,7 @@ int LOG_FLAGS::write(MIOFILE& out) {
         "        <std_debug>%d</std_debug>\n"
         "        <task_debug>%d</task_debug>\n"
         "        <time_debug>%d</time_debug>\n"
+        "        <trickle_debug>%d</trickle_debug>\n"
         "        <unparsed_xml>%d</unparsed_xml>\n"
         "        <work_fetch_debug>%d</work_fetch_debug>\n"
         "        <notice_debug>%d</notice_debug>\n"
@@ -169,6 +171,7 @@ int LOG_FLAGS::write(MIOFILE& out) {
         std_debug ? 1 : 0,
         task_debug ? 1 : 0,
         time_debug ? 1 : 0,
+        trickle_debug ? 1 : 0,
         unparsed_xml ? 1 : 0,
         work_fetch_debug ? 1 : 0,
         notice_debug ? 1 : 0
diff --git a/lib/cc_config.h b/lib/cc_config.h
index b97c006072..35e86f97ad 100644
--- a/lib/cc_config.h
+++ b/lib/cc_config.h
@@ -101,6 +101,8 @@ struct LOG_FLAGS {
         // task start and control details, and when apps checkpoint
     bool time_debug;
         // changes in on_frac, active_frac, connected_frac
+    bool trickle_debug;
+        // show trickle messages
     bool unparsed_xml;
         // show unparsed XML lines
     bool work_fetch_debug;