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-rw-r--r--lib/kernel/doc/src/heart.xml17
-rw-r--r--lib/kernel/doc/src/notes.xml39
-rw-r--r--lib/kernel/src/error_logger.erl10
-rw-r--r--lib/kernel/src/file.erl2
-rw-r--r--lib/kernel/src/heart.erl15
-rw-r--r--lib/kernel/src/kernel.appup.src6
-rw-r--r--lib/kernel/src/os.erl26
-rw-r--r--lib/kernel/src/rpc.erl16
-rw-r--r--lib/kernel/test/code_SUITE.erl88
-rw-r--r--lib/kernel/test/error_logger_SUITE.erl15
-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl41
-rw-r--r--lib/kernel/test/rpc_SUITE.erl14
-rw-r--r--lib/kernel/vsn.mk2
13 files changed, 222 insertions, 69 deletions
diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml
index 59a046bf4d..5b5b71e521 100644
--- a/lib/kernel/doc/src/heart.xml
+++ b/lib/kernel/doc/src/heart.xml
@@ -37,10 +37,7 @@
the <c>heart</c> port program is to check that the Erlang runtime system
it is supervising is still running. If the port program has not
received any heartbeats within <c>HEART_BEAT_TIMEOUT</c> seconds
- (defaults to 60 seconds), the system can be rebooted. Also, if
- the system is equipped with a hardware watchdog timer and is
- running Solaris, the watchdog can be used to supervise the entire
- system.</p>
+ (defaults to 60 seconds), the system can be rebooted.</p>
<p>An Erlang runtime system to be monitored by a heart program
is to be started with command-line flag <c>-heart</c> (see
also <seealso marker="erts:erl"><c>erl(1)</c></seealso>).
@@ -51,17 +48,13 @@
or a terminated Erlang runtime system, environment variable
<c>HEART_COMMAND</c> must be set before the system is started.
If this variable is not set, a warning text is printed but
- the system does not reboot. However, if the hardware watchdog is
- used, it still triggers a reboot <c>HEART_BEAT_BOOT_DELAY</c>
- seconds later (defaults to 60 seconds).</p>
+ the system does not reboot.</p>
<p>To reboot on Windows, <c>HEART_COMMAND</c> can be
set to <c>heart -shutdown</c> (included in the Erlang delivery)
or to any other suitable program that can activate a reboot.</p>
- <p>The hardware watchdog is not started under Solaris if
- environment variable <c>HW_WD_DISABLE</c> is set.</p>
- <p>The environment variables <c>HEART_BEAT_TIMEOUT</c> and
- <c>HEART_BEAT_BOOT_DELAY</c> can be used to configure the heart
- time-outs; they can be set in the operating system shell before Erlang
+ <p>The environment variable <c>HEART_BEAT_TIMEOUT</c>
+ can be used to configure the heart
+ time-outs; it can be set in the operating system shell before Erlang
is started or be specified at the command line:</p>
<pre>
% <input>erl -heart -env HEART_BEAT_TIMEOUT 30 ...</input></pre>
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml
index 9277c2d353..f5a0e68805 100644
--- a/lib/kernel/doc/src/notes.xml
+++ b/lib/kernel/doc/src/notes.xml
@@ -31,6 +31,45 @@
</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 5.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix a race during cleanup of os:cmd that would cause
+ os:cmd to hang indefinitely.</p>
+ <p>
+ Own Id: OTP-14232 Aux Id: seq13275 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>The functions in the '<c>file</c>' module that take a
+ list of paths (e.g. <c>file:path_consult/2</c>) will now
+ continue to search in the path if the path contains
+ something that is not a directory.</p>
+ <p>
+ Own Id: OTP-14191</p>
+ </item>
+ <item>
+ <p>Two OTP processes that are known to receive many
+ messages are 'rex' (used by 'rpc') and 'error_logger'.
+ Those processes will now store unprocessed messages
+ outside the process heap, which will potentially decrease
+ the cost of garbage collections.</p>
+ <p>
+ Own Id: OTP-14192</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 5.1.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl
index 3523f680a3..81f1bf8d97 100644
--- a/lib/kernel/src/error_logger.erl
+++ b/lib/kernel/src/error_logger.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -360,8 +360,12 @@ init(Max) when is_integer(Max) ->
%% go back.
init({go_back, _PostState}) ->
{ok, {?buffer_size, 0, []}};
-init(_) -> %% Start and just relay to other
- {ok, []}. %% node if node(GLeader) =/= node().
+init(_) ->
+ %% The error logger process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ process_flag(message_queue_data, off_heap),
+ {ok, []}.
-spec handle_event(term(), state()) -> {'ok', state()}.
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 58b601e456..6d94f7770f 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -1413,7 +1413,7 @@ path_open_first([Path|Rest], Name, Mode, LastError) ->
case open(FileName, Mode) of
{ok, Fd} ->
{ok, Fd, FileName};
- {error, enoent} ->
+ {error, Reason} when Reason =:= enoent; Reason =:= enotdir ->
path_open_first(Rest, Name, Mode, LastError);
Error ->
Error
diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl
index eea78aabdf..8fa48d56fb 100644
--- a/lib/kernel/src/heart.erl
+++ b/lib/kernel/src/heart.erl
@@ -198,16 +198,11 @@ start_portprogram() ->
end.
get_heart_timeouts() ->
- HeartOpts = case os:getenv("HEART_BEAT_TIMEOUT") of
- false -> "";
- H when is_list(H) ->
- "-ht " ++ H
- end,
- HeartOpts ++ case os:getenv("HEART_BEAT_BOOT_DELAY") of
- false -> "";
- W when is_list(W) ->
- " -wt " ++ W
- end.
+ case os:getenv("HEART_BEAT_TIMEOUT") of
+ false -> "";
+ H when is_list(H) ->
+ "-ht " ++ H
+ end.
check_start_heart() ->
case init:get_argument(heart) of
diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src
index 82cf73cbda..e1173cd2f4 100644
--- a/lib/kernel/src/kernel.appup.src
+++ b/lib/kernel/src/kernel.appup.src
@@ -1,7 +1,7 @@
%% -*- erlang -*-
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -18,9 +18,9 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max one major revision back
- [{<<"5\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
+ [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
{<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-18.*
%% Down to - max one major revision back
- [{<<"5\\.[0-1](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
+ [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
{<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-18.*
}.
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index f8519d3a5e..a90a6dcca7 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -289,12 +289,11 @@ get_data(Port, MonRef, Eot, Sofar) ->
more ->
get_data(Port, MonRef, Eot, [Sofar,Bytes]);
Last ->
- Port ! {self(), close},
- flush_until_closed(Port),
- flush_exit(Port),
+ catch port_close(Port),
+ flush_until_down(Port, MonRef),
iolist_to_binary([Sofar, Last])
end;
- {'DOWN', MonRef, _, _ , _} ->
+ {'DOWN', MonRef, _, _, _} ->
flush_exit(Port),
iolist_to_binary(Sofar)
end.
@@ -308,18 +307,25 @@ eot(Bs, Eot) ->
binary:part(Bs,{0, Pos})
end.
-flush_until_closed(Port) ->
+%% When port_close returns we know that all the
+%% messages sent have been sent and that the
+%% DOWN message is after them all.
+flush_until_down(Port, MonRef) ->
receive
{Port, {data, _Bytes}} ->
- flush_until_closed(Port);
- {Port, closed} ->
- true
+ flush_until_down(Port, MonRef);
+ {'DOWN', MonRef, _, _, _} ->
+ flush_exit(Port)
end.
+%% The exit signal is always delivered before
+%% the down signal, so we can be sure that if there
+%% was an exit message sent, it will be in the
+%% mailbox now.
flush_exit(Port) ->
receive
{'EXIT', Port, _} ->
ok
- after 1 -> % force context switch
+ after 0 ->
ok
end.
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index 21bff02214..0e0b7dffa3 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -67,17 +67,27 @@
%%------------------------------------------------------------------------
+
+%% The rex server may receive a huge amount of
+%% messages. Make sure that they are stored off heap to
+%% avoid exessive GCs.
+
+-define(SPAWN_OPTS, [{spawn_opt,[{message_queue_data,off_heap}]}]).
+
%% Remote execution and broadcasting facility
-spec start() -> {'ok', pid()} | 'ignore' | {'error', term()}.
start() ->
- gen_server:start({local,?NAME}, ?MODULE, [], []).
+ gen_server:start({local,?NAME}, ?MODULE, [], ?SPAWN_OPTS).
-spec start_link() -> {'ok', pid()} | 'ignore' | {'error', term()}.
start_link() ->
- gen_server:start_link({local,?NAME}, ?MODULE, [], []).
+ %% The rex server process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ gen_server:start_link({local,?NAME}, ?MODULE, [], ?SPAWN_OPTS).
-spec stop() -> term().
diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl
index c5167efa56..a5a5da4684 100644
--- a/lib/kernel/test/code_SUITE.erl
+++ b/lib/kernel/test/code_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -35,6 +35,7 @@
purge_stacktrace/1, mult_lib_roots/1, bad_erl_libs/1,
code_archive/1, code_archive2/1, on_load/1, on_load_binary/1,
on_load_embedded/1, on_load_errors/1, on_load_update/1,
+ on_load_trace_on_load/1,
on_load_purge/1, on_load_self_call/1, on_load_pending/1,
on_load_deleted/1,
big_boot_embedded/1,
@@ -65,13 +66,15 @@ all() ->
ext_mod_dep, clash, where_is_file,
purge_stacktrace, mult_lib_roots,
bad_erl_libs, code_archive, code_archive2, on_load,
- on_load_binary, on_load_embedded, on_load_errors, on_load_update,
+ on_load_binary, on_load_embedded, on_load_errors,
+ {group, sequence},
on_load_purge, on_load_self_call, on_load_pending,
on_load_deleted,
big_boot_embedded, native_early_modules, get_mode, normalized_paths].
-groups() ->
- [].
+%% These need to run in order
+groups() -> [{sequence, [sequence], [on_load_update,
+ on_load_trace_on_load]}].
init_per_group(_GroupName, Config) ->
Config.
@@ -588,20 +591,28 @@ sticky_compiler(Files, PrivDir) ->
[R || R <- Rets, R =/= ok].
do_sticky_compile(Mod, Dir) ->
- %% Make sure that the module is loaded. A module being sticky
- %% only prevents it from begin reloaded, not from being loaded
- %% from the wrong place to begin with.
- Mod = Mod:module_info(module),
- File = filename:append(Dir, atom_to_list(Mod)),
- Src = io_lib:format("-module(~s).\n"
- "-export([test/1]).\n"
- "test(me) -> fail.\n", [Mod]),
- ok = file:write_file(File++".erl", Src),
- case c:c(File, [{outdir,Dir}]) of
- {ok,Module} ->
- Module:test(me);
- {error,sticky_directory} ->
- ok
+ case code:is_sticky(Mod) of
+ true ->
+ %% Make sure that the module is loaded. A module being sticky
+ %% only prevents it from begin reloaded, not from being loaded
+ %% from the wrong place to begin with.
+ Mod = Mod:module_info(module),
+ File = filename:append(Dir, atom_to_list(Mod)),
+ Src = io_lib:format("-module(~s).\n"
+ "-export([test/1]).\n"
+ "test(me) -> fail.\n", [Mod]),
+ ok = file:write_file(File++".erl", Src),
+ case c:c(File, [{outdir,Dir}]) of
+ {ok,Module} ->
+ Module:test(me);
+ {error,sticky_directory} ->
+ ok
+ end;
+ false ->
+ %% For some reason the module is not sticky
+ %% could be that the .erlang file has
+ %% unstuck it?
+ {Mod, is_not_sticky}
end.
%% Test that the -pa and -pz options work as expected.
@@ -1448,7 +1459,7 @@ do_on_load_error(ReturnValue) ->
{undef,[{on_load_error,main,[],_}|_]} = Exit
end.
-on_load_update(_Config) ->
+on_load_update(Config) ->
{Mod,Code1} = on_load_update_code(1),
{module,Mod} = code:load_binary(Mod, "", Code1),
42 = Mod:a(),
@@ -1458,7 +1469,7 @@ on_load_update(_Config) ->
{Mod,Code2} = on_load_update_code(2),
{error,on_load_failure} = code:load_binary(Mod, "", Code2),
42 = Mod:a(),
- 100 = Mod:b(99),
+ 78 = Mod:b(77),
{'EXIT',{undef,_}} = (catch Mod:never()),
4 = erlang:trace_pattern({Mod,'_','_'}, false),
@@ -1469,6 +1480,9 @@ on_load_update(_Config) ->
{'EXIT',{undef,_}} = (catch Mod:b(10)),
{'EXIT',{undef,_}} = (catch Mod:never()),
+ code:purge(Mod),
+ code:delete(Mod),
+ code:purge(Mod),
ok.
on_load_update_code(Version) ->
@@ -1500,6 +1514,40 @@ on_load_update_code_1(3, Mod) ->
"f() -> ok.\n",
"c() -> 100.\n"]).
+%% Test -on_load while trace feature 'on_load' is enabled (OTP-14612)
+on_load_trace_on_load(Config) ->
+ Papa = self(),
+ Tracer = spawn_link(fun F() -> receive M -> Papa ! M end, F() end),
+ {tracer,[]} = erlang:trace_info(self(),tracer),
+ erlang:trace(self(), true, [call, {tracer, Tracer}]),
+ erlang:trace_pattern(on_load, true, []),
+ on_load_update(Config),
+ erlang:trace_pattern(on_load, false, []),
+ erlang:trace(self(), false, [call]),
+
+ %% WE GET TRACES FOR CALLS TO UNDEFINED FUNCTIONS ???
+ %% Remove filter when that is fixed.
+ Ms = lists:filter(fun({trace,Papa,call,
+ {error_handler,undefined_function,
+ [on_load_update_code,_,_]}})
+ -> false;
+ (_) -> true
+ end,
+ flush()),
+
+ [{trace, Papa, call, {on_load_update_code, a, []}},
+ {trace, Papa, call, {on_load_update_code, b, [99]}},
+ {trace, Papa, call, {on_load_update_code, c, []}}] = Ms,
+
+ exit(Tracer, normal),
+ ok.
+
+flush() ->
+ receive M -> [M | flush()]
+ after 100 -> []
+ end.
+
+
on_load_purge(_Config) ->
Mod = ?FUNCTION_NAME,
register(Mod, self()),
diff --git a/lib/kernel/test/error_logger_SUITE.erl b/lib/kernel/test/error_logger_SUITE.erl
index b6e7551741..2d26a7246c 100644
--- a/lib/kernel/test/error_logger_SUITE.erl
+++ b/lib/kernel/test/error_logger_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -30,6 +30,7 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
+ off_heap/1,
error_report/1, info_report/1, error/1, info/1,
emulator/1, tty/1, logfile/1, add/1, delete/1]).
@@ -45,7 +46,7 @@ suite() ->
{timetrap,{minutes,1}}].
all() ->
- [error_report, info_report, error, info, emulator, tty,
+ [off_heap, error_report, info_report, error, info, emulator, tty,
logfile, add, delete].
groups() ->
@@ -66,6 +67,16 @@ end_per_group(_GroupName, Config) ->
%%-----------------------------------------------------------------
+off_heap(_Config) ->
+ %% The error_logger process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ MQD = message_queue_data,
+ {MQD,off_heap} = process_info(whereis(error_logger), MQD),
+ ok.
+
+%%-----------------------------------------------------------------
+
error_report(Config) when is_list(Config) ->
error_logger:add_report_handler(?MODULE, self()),
Rep1 = [{tag1,"data1"},{tag2,data2},{tag3,3}],
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 6b64c83fc2..5e08a5ea62 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -52,7 +52,7 @@
active_once_closed/1, send_timeout/1, send_timeout_active/1,
otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1,
wrapping_oct/0, wrapping_oct/1,
- otp_9389/1]).
+ otp_9389/1, otp_13939/1]).
%% Internal exports.
-export([sender/3, not_owner/1, passive_sockets_server/2, priority_server/1,
@@ -3014,3 +3014,42 @@ ok({ok,V}) -> V.
get_hostname(Name) ->
"@"++Host = lists:dropwhile(fun(C) -> C =/= $@ end, atom_to_list(Name)),
Host.
+
+otp_13939(doc) ->
+ ["Check that writing to a remotely closed socket doesn't block forever "
+ "when exit_on_close is false."];
+otp_13939(suite) ->
+ [];
+otp_13939(Config) when is_list(Config) ->
+ {Pid, Ref} = spawn_opt(
+ fun() ->
+ {ok, Listener} = gen_tcp:listen(0, [{exit_on_close, false}]),
+ {ok, Port} = inet:port(Listener),
+
+ spawn_link(
+ fun() ->
+ {ok, Client} = gen_tcp:connect("localhost", Port,
+ [{active, false}]),
+ ok = gen_tcp:close(Client)
+ end),
+
+ {ok, Accepted} = gen_tcp:accept(Listener),
+
+ ok = gen_tcp:send(Accepted, <<0:(10*1024*1024*8)>>),
+
+ %% The bug surfaces when there's a delay between the send
+ %% operations; inet:getstat is a red herring.
+ timer:sleep(100),
+
+ {error, Code} = gen_tcp:send(Accepted, <<0:(10*1024*1024*8)>>),
+ ct:pal("gen_tcp:send returned ~p~n", [Code])
+ end, [link, monitor]),
+
+ receive
+ {'DOWN', Ref, process, Pid, normal} ->
+ ok
+ after 1000 ->
+ demonitor(Ref, [flush]),
+ exit(Pid, normal),
+ ct:fail("Server process blocked on send.")
+ end.
diff --git a/lib/kernel/test/rpc_SUITE.erl b/lib/kernel/test/rpc_SUITE.erl
index 1c72ddc87f..a89a7600a2 100644
--- a/lib/kernel/test/rpc_SUITE.erl
+++ b/lib/kernel/test/rpc_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -21,7 +21,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
--export([call/1, block_call/1, multicall/1, multicall_timeout/1,
+-export([off_heap/1,
+ call/1, block_call/1, multicall/1, multicall_timeout/1,
multicall_dies/1, multicall_node_dies/1,
called_dies/1, called_node_dies/1,
called_throws/1, call_benchmark/1, async_call/1]).
@@ -35,7 +36,7 @@ suite() ->
{timetrap,{minutes,2}}].
all() ->
- [call, block_call, multicall, multicall_timeout,
+ [off_heap, call, block_call, multicall, multicall_timeout,
multicall_dies, multicall_node_dies, called_dies,
called_node_dies, called_throws, call_benchmark,
async_call].
@@ -55,6 +56,13 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
+off_heap(_Config) ->
+ %% The rex server process may receive a huge amount of
+ %% messages. Make sure that they are stored off heap to
+ %% avoid exessive GCs.
+ MQD = message_queue_data,
+ {MQD,off_heap} = process_info(whereis(rex), MQD),
+ ok.
%% Test different rpc calls.
diff --git a/lib/kernel/vsn.mk b/lib/kernel/vsn.mk
index 8d2517e680..76b020e8ed 100644
--- a/lib/kernel/vsn.mk
+++ b/lib/kernel/vsn.mk
@@ -1 +1 @@
-KERNEL_VSN = 5.1.1
+KERNEL_VSN = 5.2
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 00:43:58 +0000