File 0914-mnesia-Do-not-handle-stray-messages-in-participant.patch of Package erlang
From d223065466977b96cae4d62316d25480b568b427 Mon Sep 17 00:00:00 2001
From: Dan Gudmundsson <dgud@erlang.org>
Date: Thu, 10 Feb 2022 11:56:47 +0100
Subject: [PATCH 3/3] mnesia: Do not handle stray messages in participant
The process may get messages when using transactions for table
copying, this may cause the transaction to abort and it that
case (table copying) not undo the transaction completely and
leave the meta-data in an inconsistent state.
---
lib/mnesia/src/mnesia_tm.erl | 13 ++-----------
1 file changed, 2 insertions(+), 11 deletions(-)
diff --git a/lib/mnesia/src/mnesia_tm.erl b/lib/mnesia/src/mnesia_tm.erl
index 9e9661ff60..d6d1f74392 100644
--- a/lib/mnesia/src/mnesia_tm.erl
+++ b/lib/mnesia/src/mnesia_tm.erl
@@ -1728,11 +1728,7 @@ commit_participant(Protocol, Coord, Tid, Bin, C0, DiscNs, _RamNs) ->
{'EXIT', _MnesiaTM, Reason} ->
reply(Coord, {do_abort, Tid, self(), {bad_commit,Reason}}),
mnesia_recover:log_decision(D#decision{outcome = aborted}),
- mnesia_schema:undo_prepare_commit(Tid, C0);
-
- Msg ->
- verbose("** ERROR ** commit_participant ~p, got unexpected msg: ~tp~n",
- [Tid, Msg])
+ mnesia_schema:undo_prepare_commit(Tid, C0)
end;
{Tid, {do_abort, Reason}} ->
reply(Coord, {do_abort, Tid, self(), Reason}),
@@ -1743,12 +1739,7 @@ commit_participant(Protocol, Coord, Tid, Bin, C0, DiscNs, _RamNs) ->
{'EXIT', _, Reason} ->
reply(Coord, {do_abort, Tid, self(), {bad_commit,Reason}}),
mnesia_schema:undo_prepare_commit(Tid, C0),
- ?eval_debug_fun({?MODULE, commit_participant, pre_commit_undo_prepare}, [{tid, Tid}]);
-
- Msg ->
- reply(Coord, {do_abort, Tid, self(), {bad_commit,internal}}),
- verbose("** ERROR ** commit_participant ~p, got unexpected msg: ~tp~n",
- [Tid, Msg])
+ ?eval_debug_fun({?MODULE, commit_participant, pre_commit_undo_prepare}, [{tid, Tid}])
end
catch _:Reason ->
?eval_debug_fun({?MODULE, commit_participant, vote_no},
--
2.34.1
