diff --git a/lib_acl/src/stdlib/iostuff/acl_write_wait.c b/lib_acl/src/stdlib/iostuff/acl_write_wait.c
index d09974bf6..cab026ed1 100644
--- a/lib_acl/src/stdlib/iostuff/acl_write_wait.c
+++ b/lib_acl/src/stdlib/iostuff/acl_write_wait.c
@@ -86,12 +86,14 @@ int acl_write_wait_ms(ACL_SOCKET fd, int timeout)
 			}
 
 			if ((fds.revents & (POLLHUP | POLLERR))) {
+				/*
 				acl_msg_error("%s(%d), %s: %s, %s, %s, fd=%d",
 					__FILE__, __LINE__, myname,
 					acl_last_serror(),
 					fds.revents & POLLHUP ? "POLLHUP" : "0",
 					fds.revents & POLLERR ? "POLLERR" : "0",
 					fd);
+				*/
 				acl_set_error(ACL_ECONNREFUSED);
 				return -1;
 			}
diff --git a/lib_fiber/c/src/hook/poll.c b/lib_fiber/c/src/hook/poll.c
index 5993f5c5a..9ebbd6d6e 100644
--- a/lib_fiber/c/src/hook/poll.c
+++ b/lib_fiber/c/src/hook/poll.c
@@ -79,7 +79,9 @@ static void read_callback(EVENT *ev, FILE_EVENT *fe)
 	for (; iter != &fe->pfds; iter = next) {
 		next = next->succ;
 		pfd = ring_to_appl(iter, POLLFD, me);
-		handle_poll_read(ev, fe, pfd);
+		if (pfd->pfd->events & POLLIN) {
+			handle_poll_read(ev, fe, pfd);
+		}
 	}
 }
 
@@ -129,7 +131,9 @@ static void write_callback(EVENT *ev, FILE_EVENT *fe)
 	for (; iter != &fe->pfds; iter = next) {
 		next = next->succ;
 		pfd = ring_to_appl(iter, POLLFD, me);
-		handle_poll_write(ev, fe, pfd);
+		if (pfd->pfd->events & POLLOUT) {
+			handle_poll_write(ev, fe, pfd);
+		}
 	}
 }