diff --git a/cli-runopts.c b/cli-runopts.c
index 5f36f7c..bad991f 100644
--- a/cli-runopts.c
+++ b/cli-runopts.c
@@ -683,11 +683,13 @@ static void fill_own_user() {
 	uid = getuid();
 
 	pw = getpwuid(uid);
-	if (pw == NULL || pw->pw_name == NULL) {
-		dropbear_exit("Unknown own user");
+	if (pw && pw->pw_name != NULL) {
+		cli_opts.own_user = m_strdup(pw->pw_name);
+	} else {
+		dropbear_log(LOG_INFO, "Warning: failed to identify current user. Trying anyway.");
+		cli_opts.own_user = m_strdup("unknown");
 	}
 
-	cli_opts.own_user = m_strdup(pw->pw_name);
 }
 
 #ifdef ENABLE_CLI_ANYTCPFWD
diff --git a/dbutil.c b/dbutil.c
index a5616ac..2acc53b 100644
--- a/dbutil.c
+++ b/dbutil.c
@@ -202,6 +202,9 @@ void set_sock_priority(int sock, enum dropbear_prio prio) {
 
 	int iptos_val = 0, so_prio_val = 0, rc;
 
+	/* Don't log ENOTSOCK errors so that this can harmlessly be called
+	 * on a client '-J' proxy pipe */
+
 	/* set the TOS bit for either ipv4 or ipv6 */
 #ifdef IPTOS_LOWDELAY
 	if (prio == DROPBEAR_PRIO_LOWDELAY) {
@@ -211,12 +214,12 @@ void set_sock_priority(int sock, enum dropbear_prio prio) {
 	}
 #if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS)
 	rc = setsockopt(sock, IPPROTO_IPV6, IPV6_TCLASS, (void*)&iptos_val, sizeof(iptos_val));
-	if (rc < 0) {
+	if (rc < 0 && errno != ENOTSOCK) {
 		TRACE(("Couldn't set IPV6_TCLASS (%s)", strerror(errno)));
 	}
 #endif
 	rc = setsockopt(sock, IPPROTO_IP, IP_TOS, (void*)&iptos_val, sizeof(iptos_val));
-	if (rc < 0) {
+	if (rc < 0 && errno != ENOTSOCK) {
 		TRACE(("Couldn't set IP_TOS (%s)", strerror(errno)));
 	}
 #endif
@@ -229,7 +232,7 @@ void set_sock_priority(int sock, enum dropbear_prio prio) {
 	}
 	/* linux specific, sets QoS class. see tc-prio(8) */
 	rc = setsockopt(sock, SOL_SOCKET, SO_PRIORITY, (void*) &so_prio_val, sizeof(so_prio_val));
-	if (rc < 0)
+	if (rc < 0 && errno != ENOTSOCK)
 		dropbear_log(LOG_WARNING, "Couldn't set SO_PRIORITY (%s)",
 				strerror(errno));
 #endif
diff --git a/options.h b/options.h
index ab6abea..56b6370 100644
--- a/options.h
+++ b/options.h
@@ -264,7 +264,7 @@ much traffic. */
 /* The command to invoke for xauth when using X11 forwarding.
  * "-q" for quiet */
 #ifndef XAUTH_COMMAND
-#define XAUTH_COMMAND "/usr/bin/X11/xauth -q"
+#define XAUTH_COMMAND "/usr/bin/xauth -q"
 #endif
 
 /* if you want to enable running an sftp server (such as the one included with
diff --git a/packet.c b/packet.c
index 42d4229..add3203 100644
--- a/packet.c
+++ b/packet.c
@@ -93,9 +93,12 @@ void write_packet() {
 		iov[i].iov_base = buf_getptr(writebuf, len);
 		iov[i].iov_len = len;
 	}
+	/* This may return EAGAIN. The main loop sometimes
+	calls write_packet() without bothering to test with select() since
+	it's likely to be necessary */
 	written = writev(ses.sock_out, iov, iov_max_count);
 	if (written < 0) {
-		if (errno == EINTR) {
+		if (errno == EINTR || errno == EAGAIN) {
 			m_free(iov);
 			TRACE2(("leave write_packet: EINTR"))
 			return;
@@ -136,7 +139,7 @@ void write_packet() {
 	written = write(ses.sock_out, buf_getptr(writebuf, len), len);
 
 	if (written < 0) {
-		if (errno == EINTR) {
+		if (errno == EINTR || errno == EAGAIN) {
 			TRACE2(("leave writepacket: EINTR"))
 			return;
 		} else {
@@ -255,7 +258,7 @@ static int read_packet_init() {
 		ses.remoteclosed();
 	}
 	if (slen < 0) {
-		if (errno == EINTR) {
+		if (errno == EINTR || errno == EAGAIN) {
 			TRACE2(("leave read_packet_init: EINTR"))
 			return DROPBEAR_FAILURE;
 		}