diff --git a/src/core/iomgr/exec_ctx.c b/src/core/iomgr/exec_ctx.c
index 74aad6cea3b..a830a27b0ba 100644
--- a/src/core/iomgr/exec_ctx.c
+++ b/src/core/iomgr/exec_ctx.c
@@ -33,6 +33,8 @@
 
 #include "src/core/iomgr/exec_ctx.h"
 
+#include <grpc/support/log.h>
+
 void grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) {
   while (!grpc_closure_list_empty(exec_ctx->closure_list)) {
     grpc_closure *c = exec_ctx->closure_list.head;
diff --git a/src/core/iomgr/iocp_windows.c b/src/core/iomgr/iocp_windows.c
index 3556b2c301b..c2f62a41b83 100644
--- a/src/core/iomgr/iocp_windows.c
+++ b/src/core/iomgr/iocp_windows.c
@@ -64,6 +64,7 @@ static void do_iocp_work(grpc_exec_ctx *exec_ctx) {
   LPOVERLAPPED overlapped;
   grpc_winsocket *socket;
   grpc_winsocket_callback_info *info;
+  grpc_closure *closure = NULL;
   success = GetQueuedCompletionStatus(g_iocp, &bytes, &completion_key,
                                       &overlapped, INFINITE);
   /* success = 0 and overlapped = NULL means the deadline got attained.
@@ -97,12 +98,15 @@ static void do_iocp_work(grpc_exec_ctx *exec_ctx) {
   GPR_ASSERT(!info->has_pending_iocp);
   gpr_mu_lock(&socket->state_mu);
   if (info->closure) {
-    grpc_exec_ctx_enqueue(exec_ctx, info->closure, 1);
+    closure = info->closure;
     info->closure = NULL;
   } else {
     info->has_pending_iocp = 1;
   }
   gpr_mu_unlock(&socket->state_mu);
+  if (closure) {
+    closure->cb(exec_ctx, closure->cb_arg, 1);
+  }
 }
 
 static void iocp_loop(void *p) {
diff --git a/src/core/iomgr/pollset_windows.c b/src/core/iomgr/pollset_windows.c
index 5e835743af4..6182eb35328 100644
--- a/src/core/iomgr/pollset_windows.c
+++ b/src/core/iomgr/pollset_windows.c
@@ -115,6 +115,11 @@ void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
     pollset->kicked_without_pollers = 0;
   }
 done:
+  if (!grpc_closure_list_empty(exec_ctx->closure_list)) {
+    gpr_mu_unlock(&pollset->mu);
+    grpc_exec_ctx_flush(exec_ctx);
+    gpr_mu_lock(&pollset->mu);
+  }
   gpr_cv_destroy(&worker->cv);
   if (added_worker) {
     remove_worker(pollset, worker);
diff --git a/src/core/iomgr/tcp_server_windows.c b/src/core/iomgr/tcp_server_windows.c
index 7244606e98c..4b11ab0f064 100644
--- a/src/core/iomgr/tcp_server_windows.c
+++ b/src/core/iomgr/tcp_server_windows.c
@@ -380,8 +380,9 @@ static int add_socket_to_server(grpc_tcp_server *s, SOCKET sock,
     GPR_ASSERT(!s->on_accept_cb && "must add ports before starting server");
     /* append it to the list under a lock */
     if (s->nports == s->port_capacity) {
-      s->port_capacity *= 2;
-      s->ports = gpr_realloc(s->ports, sizeof(server_port) * s->port_capacity);
+      /* too many ports, and we need to store their address in a closure */
+      /* TODO(ctiller): make server_port a linked list */
+      abort(); 
     }
     sp = &s->ports[s->nports++];
     sp->server = s;
@@ -389,6 +390,7 @@ static int add_socket_to_server(grpc_tcp_server *s, SOCKET sock,
     sp->shutting_down = 0;
     sp->AcceptEx = AcceptEx;
     sp->new_socket = INVALID_SOCKET;
+    grpc_closure_init(&sp->on_accept, on_accept, sp);
     GPR_ASSERT(sp->socket);
     gpr_mu_unlock(&s->mu);
   }
diff --git a/src/core/iomgr/tcp_windows.c b/src/core/iomgr/tcp_windows.c
index 2962762679d..9cae07316a9 100644
--- a/src/core/iomgr/tcp_windows.c
+++ b/src/core/iomgr/tcp_windows.c
@@ -394,7 +394,7 @@ grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket, char *peer_string) {
   gpr_mu_init(&tcp->mu);
   gpr_ref_init(&tcp->refcount, 1);
   grpc_closure_init(&tcp->on_read, on_read, tcp);
-  grpc_closure_init(&tcp->on_read, on_write, tcp);
+  grpc_closure_init(&tcp->on_write, on_write, tcp);
   tcp->peer_string = gpr_strdup(peer_string);
   return &tcp->base;
 }
diff --git a/tools/run_tests/jobset.py b/tools/run_tests/jobset.py
index 2a863191259..c0b9c02b3e6 100755
--- a/tools/run_tests/jobset.py
+++ b/tools/run_tests/jobset.py
@@ -174,6 +174,7 @@ class Job(object):
     for k, v in add_env.iteritems():
       env[k] = v
     self._start = time.time()
+    message('START', spec.shortname, do_newline=travis)
     self._process = subprocess.Popen(args=spec.cmdline,
                                      stderr=subprocess.STDOUT,
                                      stdout=self._tempfile,
@@ -185,7 +186,6 @@ class Job(object):
     self._travis = travis
     self._xml_test = ET.SubElement(xml_report, 'testcase',
                                    name=self._spec.shortname) if xml_report is not None else None
-    message('START', spec.shortname, do_newline=self._travis)
 
   def state(self, update_cache):
     """Poll current state of the job. Prints messages at completion."""