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-rw-r--r--erts/doc/src/notes.xml32
-rw-r--r--erts/emulator/test/port_SUITE.erl3
-rw-r--r--erts/test/system_smoke.spec1
-rw-r--r--erts/vsn.mk2
4 files changed, 35 insertions, 3 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 3d7858a034..f6bc6e984b 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -31,6 +31,38 @@
</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 9.0.4</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ A timer internal bit-field used for storing scheduler id
+ was too small. As a result, VM internal timer data
+ structures could become inconsistent when using 1024
+ schedulers on the system. Note that systems with less
+ than 1024 schedulers are not effected by this bug.</p>
+ <p>
+ This bug was introduced in ERTS version 7.0 (OTP 18.0).</p>
+ <p>
+ Own Id: OTP-14548 Aux Id: OTP-11997, ERL-468 </p>
+ </item>
+ <item>
+ <p>
+ Automatic cleanup of a BIF timer, when the owner process
+ terminated, could race with the timeout of the timer.
+ This could cause the VM internal data structures to
+ become inconsistent which very likely caused a VM crash.</p>
+ <p>
+ This bug was introduced in ERTS version 9.0 (OTP 20.0).</p>
+ <p>
+ Own Id: OTP-14554 Aux Id: OTP-14356, ERL-468 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 9.0.3</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index df28ab0e7b..730a17d7e8 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -159,7 +159,7 @@ suite() ->
all() ->
[otp_6224, {group, stream}, basic_ping, slow_writes,
bad_packet, bad_port_messages, {group, options},
- {group, multiple_packets}, parallell, dying_port,
+ {group, multiple_packets}, parallell, dying_port, dropped_commands,
port_program_with_path, open_input_file_port,
open_output_file_port, name1, env, huge_env, bad_env, cd,
cd_relative, pipe_limit_env, bad_args,
@@ -569,6 +569,7 @@ dropped_commands(Config, Outputv, Cmd) ->
[dropped_commands_test(Cmd) || _ <- lists:seq(1, 100)],
timer:sleep(100),
erl_ddll:unload_driver("echo_drv"),
+ os:unsetenv("ECHO_DRV_USE_OUTPUTV"),
ok.
dropped_commands_test(Cmd) ->
diff --git a/erts/test/system_smoke.spec b/erts/test/system_smoke.spec
index 99092c1dab..bcb727b6d9 100644
--- a/erts/test/system_smoke.spec
+++ b/erts/test/system_smoke.spec
@@ -1,4 +1,3 @@
-{suites,"../system_test",[ethread_SUITE]}.
{cases,"../system_test",otp_SUITE,
[undefined_functions,
deprecated_not_in_obsolete,
diff --git a/erts/vsn.mk b/erts/vsn.mk
index f90870b7c8..8ed3993177 100644
--- a/erts/vsn.mk
+++ b/erts/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
#
-VSN = 9.0.3
+VSN = 9.0.4
# Port number 4365 in 4.2
# Port number 4366 in 4.3