Merge branch 'maint-20' into maint

* maint-20:
  Updated OTP version
  Prepare release
  kernel: Fix tick count bug when pending writes
  kernel: Send tick to hidden node even if pending writes
  ic: Fix buffer overrun bug in oe_ei_encode_atom
  erl_interface: Fix simultaneous connection setup

5 files changed, 60 insertions, 3 deletions

diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 67e27afc81..3b300c8c72 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -982,6 +982,21 @@
 
 </section>
 
+<section><title>Erts 9.3.3.1</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+	    <p>Fixed a rare bug that could cause processes to be
+	    scheduled after they had been freed.</p>
+          <p>
+	    Own Id: OTP-15067 Aux Id: ERL-573 </p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Erts 9.3.3</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/erl_interface/doc/src/notes.xml b/lib/erl_interface/doc/src/notes.xml
index 5b81f795b2..1438317d8d 100644
--- a/lib/erl_interface/doc/src/notes.xml
+++ b/lib/erl_interface/doc/src/notes.xml
@@ -69,6 +69,24 @@
 
 </section>
 
+<section><title>Erl_Interface 3.10.2.1</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+          <p>
+	    Make <c>ei_connect</c> and friends also accept state
+	    <c>ok_simultaneous</c> during handshake, which means the
+	    other node has initiated a connection setup that will be
+	    cancelled in favor of this connection.</p>
+          <p>
+	    Own Id: OTP-15161 Aux Id: ERIERL-191 </p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Erl_Interface 3.10.2</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/erl_interface/src/connect/ei_connect.c b/lib/erl_interface/src/connect/ei_connect.c
index f5034ca3e8..34f4620866 100644
--- a/lib/erl_interface/src/connect/ei_connect.c
+++ b/lib/erl_interface/src/connect/ei_connect.c
@@ -1357,11 +1357,14 @@ static int recv_status(int fd, unsigned ms)
 		      "<- RECV_STATUS socket read failed (%d)", rlen);
 	goto error;
     }
-    if (rlen == 3 && buf[0] == 's' && buf[1] == 'o' && 
-	buf[2] == 'k') {
+
+    EI_TRACE_CONN2("recv_status",
+                   "<- RECV_STATUS (%.*s)", (rlen>20 ? 20 : rlen), buf);
+
+    if (rlen >= 3 && buf[0] == 's' && buf[1] == 'o' && buf[2] == 'k') {
+        /* Expecting "sok" or "sok_simultaneous" */
 	if (!is_static)
 	    free(buf);
-	EI_TRACE_CONN0("recv_status","<- RECV_STATUS (ok)");
 	return 0;
     }
 error:
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml
index e1ef8ab387..6e88e98c6d 100644
--- a/lib/kernel/doc/src/notes.xml
+++ b/lib/kernel/doc/src/notes.xml
@@ -314,6 +314,26 @@
 
 </section>
 
+<section><title>Kernel 5.4.3.1</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+          <p>
+	    Fix some potential buggy behavior in how ticks are sent
+	    on inter node distribution connections. Tick is now sent
+	    to c-node even if there are unsent buffered data, as
+	    c-nodes need ticks in order to send reply ticks. The
+	    amount of sent data was calculated wrongly when ticks
+	    where suppressed due to unsent buffered data.</p>
+          <p>
+	    Own Id: OTP-15162 Aux Id: ERIERL-191 </p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Kernel 5.4.3</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/otp_versions.table b/otp_versions.table
index 78b19f0805..c6e5b5db00 100644
--- a/otp_versions.table
+++ b/otp_versions.table
@@ -1,5 +1,6 @@
 OTP-21.0.1 : compiler-7.2.1 erts-10.0.1 # asn1-5.0.6 common_test-1.16 crypto-4.3 debugger-4.2.5 dialyzer-3.3 diameter-2.1.5 edoc-0.9.3 eldap-1.2.4 erl_docgen-0.8 erl_interface-3.10.3 et-1.6.2 eunit-2.3.6 ftp-1.0 hipe-3.18 inets-7.0 jinterface-1.9 kernel-6.0 megaco-3.18.3 mnesia-4.15.4 observer-2.8 odbc-2.12.1 os_mon-2.4.5 otp_mibs-1.2 parsetools-2.1.7 public_key-1.6 reltool-0.7.6 runtime_tools-1.13 sasl-3.2 snmp-5.2.11 ssh-4.7 ssl-9.0 stdlib-3.5 syntax_tools-2.1.5 tftp-1.0 tools-3.0 wx-1.8.4 xmerl-1.3.17 :
 OTP-21.0 : asn1-5.0.6 common_test-1.16 compiler-7.2 crypto-4.3 debugger-4.2.5 dialyzer-3.3 diameter-2.1.5 edoc-0.9.3 eldap-1.2.4 erl_docgen-0.8 erl_interface-3.10.3 erts-10.0 et-1.6.2 eunit-2.3.6 ftp-1.0 hipe-3.18 inets-7.0 jinterface-1.9 kernel-6.0 mnesia-4.15.4 observer-2.8 os_mon-2.4.5 otp_mibs-1.2 parsetools-2.1.7 public_key-1.6 reltool-0.7.6 runtime_tools-1.13 sasl-3.2 ssh-4.7 ssl-9.0 stdlib-3.5 syntax_tools-2.1.5 tftp-1.0 tools-3.0 wx-1.8.4 xmerl-1.3.17 # megaco-3.18.3 odbc-2.12.1 snmp-5.2.11 :
+OTP-20.3.8.2 : erl_interface-3.10.2.1 erts-9.3.3.1 ic-4.4.4.1 kernel-5.4.3.1 # asn1-5.0.5 common_test-1.15.4 compiler-7.1.5 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2.2 debugger-4.2.4 dialyzer-3.2.4 diameter-2.1.4 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.3 et-1.6.1 eunit-2.3.5 hipe-3.17.1 inets-6.5.2.1 jinterface-1.8.1 megaco-3.18.3 mnesia-4.15.3 observer-2.7 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 runtime_tools-1.12.5 sasl-3.1.2 snmp-5.2.11 ssh-4.6.9.1 ssl-8.2.6 stdlib-3.4.5 syntax_tools-2.1.4.1 tools-2.11.2 wx-1.8.3 xmerl-1.3.16 :
 OTP-20.3.8.1 : inets-6.5.2.1 ssh-4.6.9.1 syntax_tools-2.1.4.1 # asn1-5.0.5 common_test-1.15.4 compiler-7.1.5 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2.2 debugger-4.2.4 dialyzer-3.2.4 diameter-2.1.4 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.3 erl_interface-3.10.2 erts-9.3.3 et-1.6.1 eunit-2.3.5 hipe-3.17.1 ic-4.4.4 jinterface-1.8.1 kernel-5.4.3 megaco-3.18.3 mnesia-4.15.3 observer-2.7 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 runtime_tools-1.12.5 sasl-3.1.2 snmp-5.2.11 ssl-8.2.6 stdlib-3.4.5 tools-2.11.2 wx-1.8.3 xmerl-1.3.16 :
 OTP-20.3.8 : erts-9.3.3 snmp-5.2.11 # asn1-5.0.5 common_test-1.15.4 compiler-7.1.5 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2.2 debugger-4.2.4 dialyzer-3.2.4 diameter-2.1.4 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.3 erl_interface-3.10.2 et-1.6.1 eunit-2.3.5 hipe-3.17.1 ic-4.4.4 inets-6.5.2 jinterface-1.8.1 kernel-5.4.3 megaco-3.18.3 mnesia-4.15.3 observer-2.7 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 runtime_tools-1.12.5 sasl-3.1.2 ssh-4.6.9 ssl-8.2.6 stdlib-3.4.5 syntax_tools-2.1.4 tools-2.11.2 wx-1.8.3 xmerl-1.3.16 :
 OTP-20.3.7 : erl_docgen-0.7.3 erts-9.3.2 inets-6.5.2 # asn1-5.0.5 common_test-1.15.4 compiler-7.1.5 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2.2 debugger-4.2.4 dialyzer-3.2.4 diameter-2.1.4 edoc-0.9.2 eldap-1.2.3 erl_interface-3.10.2 et-1.6.1 eunit-2.3.5 hipe-3.17.1 ic-4.4.4 jinterface-1.8.1 kernel-5.4.3 megaco-3.18.3 mnesia-4.15.3 observer-2.7 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 runtime_tools-1.12.5 sasl-3.1.2 snmp-5.2.10 ssh-4.6.9 ssl-8.2.6 stdlib-3.4.5 syntax_tools-2.1.4 tools-2.11.2 wx-1.8.3 xmerl-1.3.16 :