diff --git a/client.c b/client.c
index db29fdec..ccc58fb4 100644
--- a/client.c
+++ b/client.c
@@ -601,7 +601,7 @@ client_dispatch_wait(struct imsg *imsg)
 
 		fprintf(stderr, "protocol version mismatch "
 		    "(client %d, server %u)\n", PROTOCOL_VERSION,
-		    imsg->hdr.peerid);
+		    imsg->hdr.peerid & 0xff);
 		client_exitval = 1;
 		proc_exit(client_proc);
 		break;
diff --git a/cmd-attach-session.c b/cmd-attach-session.c
index b339b890..e5589277 100644
--- a/cmd-attach-session.c
+++ b/cmd-attach-session.c
@@ -99,12 +99,6 @@ cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag,
 		cwd = format_expand(ft, cflag);
 		format_free(ft);
 
-		if (access(cwd, X_OK) != 0) {
-			free((void *)cwd);
-			cmdq_error(cmdq, "bad working directory: %s",
-			    strerror(errno));
-			return (CMD_RETURN_ERROR);
-		}
 		free((void *)s->cwd);
 		s->cwd = cwd;
 	}
diff --git a/cmd-new-session.c b/cmd-new-session.c
index 90bb2e0e..65dc6cf5 100644
--- a/cmd-new-session.c
+++ b/cmd-new-session.c
@@ -124,13 +124,6 @@ cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
 		    NULL);
 		to_free = cwd = format_expand(ft, args_get(args, 'c'));
 		format_free(ft);
-
-		if (access(cwd, X_OK) != 0) {
-			free((void *)cwd);
-			cmdq_error(cmdq, "bad working directory: %s",
-			    strerror(errno));
-			return (CMD_RETURN_ERROR);
-		}
 	} else if (c != NULL && c->session == NULL)
 		cwd = c->cwd;
 	else if ((c0 = cmd_find_client(cmdq, NULL, 1)) != NULL)
diff --git a/cmd-new-window.c b/cmd-new-window.c
index a5085fff..fb89e24f 100644
--- a/cmd-new-window.c
+++ b/cmd-new-window.c
@@ -99,13 +99,6 @@ cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
 		    NULL);
 		cwd = format_expand(ft, args_get(args, 'c'));
 		format_free(ft);
-
-		if (access(cwd, X_OK) != 0) {
-			free((void *)cwd);
-			cmdq_error(cmdq, "bad working directory: %s",
-			    strerror(errno));
-			return (CMD_RETURN_ERROR);
-		}
 	} else if (cmdq->client != NULL && cmdq->client->session == NULL)
 		cwd = cmdq->client->cwd;
 	else
diff --git a/cmd-split-window.c b/cmd-split-window.c
index b8a03953..d5b3e775 100644
--- a/cmd-split-window.c
+++ b/cmd-split-window.c
@@ -92,13 +92,6 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 		    NULL);
 		to_free = cwd = format_expand(ft, args_get(args, 'c'));
 		format_free(ft);
-
-		if (access(cwd, X_OK) != 0) {
-			free((void *)cwd);
-			cmdq_error(cmdq, "bad working directory: %s",
-			    strerror(errno));
-			return (CMD_RETURN_ERROR);
-		}
 	} else if (cmdq->client != NULL && cmdq->client->session == NULL)
 		cwd = cmdq->client->cwd;
 	else
diff --git a/proc.c b/proc.c
index f7007935..30997a21 100644
--- a/proc.c
+++ b/proc.c
@@ -121,7 +121,6 @@ peer_check_version(struct tmuxpeer *peer, struct imsg *imsg)
 
 		return (-1);
 	}
-	imsg->hdr.peerid >>= 8;
 	return (0);
 }
 
diff --git a/server-client.c b/server-client.c
index a800a1aa..eeec51d0 100644
--- a/server-client.c
+++ b/server-client.c
@@ -1191,7 +1191,6 @@ server_client_dispatch_identify(struct client *c, struct imsg *imsg)
 		proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
 
 		c->tty.fd = -1;
-		c->tty.log_fd = -1;
 
 		close(c->fd);
 		c->fd = -1;
diff --git a/server.c b/server.c
index ca1b9b1f..3bd51cac 100644
--- a/server.c
+++ b/server.c
@@ -172,6 +172,9 @@ server_start(struct event_base *base, int lockfd, char *lockfile)
 	}
 	close(pair[0]);
 
+	if (debug_level > 3)
+		tty_create_log();
+
 #ifdef __OpenBSD__
 	if (pledge("stdio rpath wpath cpath fattr unix recvfd proc exec tty "
 	    "ps", NULL) != 0)
diff --git a/tmux.h b/tmux.h
index 6f54b1da..b16b27ff 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1105,8 +1105,6 @@ struct tty {
 	int		 fd;
 	struct bufferevent *event;
 
-	int		 log_fd;
-
 	struct termios	 tio;
 
 	struct grid_cell cell;
@@ -1558,6 +1556,7 @@ void	environ_update(const char *, struct environ *, struct environ *);
 void	environ_push(struct environ *);
 
 /* tty.c */
+void	tty_create_log(void);
 void	tty_init_termios(int, struct termios *, struct bufferevent *);
 void	tty_raw(struct tty *, const char *);
 void	tty_attributes(struct tty *, const struct grid_cell *,
diff --git a/tty.c b/tty.c
index 6b6343c8..c0ae79bb 100644
--- a/tty.c
+++ b/tty.c
@@ -31,6 +31,8 @@
 
 #include "tmux.h"
 
+static int tty_log_fd = -1;
+
 void	tty_read_callback(struct bufferevent *, void *);
 void	tty_error_callback(struct bufferevent *, short, void *);
 
@@ -59,6 +61,18 @@ void	tty_default_colours(struct grid_cell *, const struct window_pane *);
 #define tty_pane_full_width(tty, ctx) \
 	((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
 
+void
+tty_create_log(void)
+{
+	char	name[64];
+
+	xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
+
+	tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
+	if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
+		fatal("fcntl failed");
+}
+
 int
 tty_init(struct tty *tty, struct client *c, int fd, char *term)
 {
@@ -68,7 +82,6 @@ tty_init(struct tty *tty, struct client *c, int fd, char *term)
 		return (-1);
 
 	memset(tty, 0, sizeof *tty);
-	tty->log_fd = -1;
 
 	if (term == NULL || *term == '\0')
 		tty->termname = xstrdup("unknown");
@@ -139,17 +152,6 @@ tty_set_size(struct tty *tty, u_int sx, u_int sy) {
 int
 tty_open(struct tty *tty, char **cause)
 {
-	char	out[64];
-	int	fd;
-
-	if (debug_level > 3) {
-		xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
-		fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
-		if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
-			fatal("fcntl failed");
-		tty->log_fd = fd;
-	}
-
 	tty->term = tty_term_find(tty->termname, tty->fd, cause);
 	if (tty->term == NULL) {
 		tty_close(tty);
@@ -308,11 +310,6 @@ tty_stop_tty(struct tty *tty)
 void
 tty_close(struct tty *tty)
 {
-	if (tty->log_fd != -1) {
-		close(tty->log_fd);
-		tty->log_fd = -1;
-	}
-
 	if (event_initialized(&tty->key_timer))
 		evtimer_del(&tty->key_timer);
 	tty_stop_tty(tty);
@@ -406,8 +403,8 @@ tty_puts(struct tty *tty, const char *s)
 		return;
 	bufferevent_write(tty->event, s, strlen(s));
 
-	if (tty->log_fd != -1)
-		write(tty->log_fd, s, strlen(s));
+	if (tty_log_fd != -1)
+		write(tty_log_fd, s, strlen(s));
 }
 
 void
@@ -438,16 +435,16 @@ tty_putc(struct tty *tty, u_char ch)
 			tty->cx++;
 	}
 
-	if (tty->log_fd != -1)
-		write(tty->log_fd, &ch, 1);
+	if (tty_log_fd != -1)
+		write(tty_log_fd, &ch, 1);
 }
 
 void
 tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
 {
 	bufferevent_write(tty->event, buf, len);
-	if (tty->log_fd != -1)
-		write(tty->log_fd, buf, len);
+	if (tty_log_fd != -1)
+		write(tty_log_fd, buf, len);
 	tty->cx += width;
 }