From 12cad0c3468d734e041d4ef0cd5a26d2a28606fc Mon Sep 17 00:00:00 2001 From: Daniele Sciascia <daniele.sciascia@galeracluster.com> Date: Tue, 25 Jan 2022 16:39:13 +0100 Subject: [PATCH] MDEV-27615 Assertion `server_id.is_undefined() == false' failed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add test case that reproduces the issue and update wsrep-lib submodule to include the fix. Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com> --- .../suite/galera_sr/r/MDEV-27615.result | 27 +++++++ mysql-test/suite/galera_sr/t/MDEV-27615.test | 72 +++++++++++++++++++ wsrep-lib | 2 +- 3 files changed, 100 insertions(+), 1 deletion(-) create mode 100644 mysql-test/suite/galera_sr/r/MDEV-27615.result create mode 100644 mysql-test/suite/galera_sr/t/MDEV-27615.test diff --git a/mysql-test/suite/galera_sr/r/MDEV-27615.result b/mysql-test/suite/galera_sr/r/MDEV-27615.result new file mode 100644 index 00000000000..a3475811285 --- /dev/null +++ b/mysql-test/suite/galera_sr/r/MDEV-27615.result @@ -0,0 +1,27 @@ +connection node_2; +connection node_1; +connection node_1; +connection node_2; +connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2; +connection node_2; +CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB; +SET DEBUG_SYNC='wsrep_before_fragment_certification SIGNAL before_fragment WAIT_FOR continue'; +SET SESSION wsrep_trx_fragment_size=1; +START TRANSACTION; +INSERT INTO t1 VALUES (1);; +connection node_2a; +SET SESSION wsrep_sync_wait = 0; +SET DEBUG_SYNC='now WAIT_FOR before_fragment'; +SET GLOBAL wsrep_cluster_address = ''; +SET DEBUG_SYNC = 'now SIGNAL continue'; +connection node_2; +ERROR HY000: Lost connection to MySQL server during query +connection node_2a; +SELECT * FROM mysql.wsrep_streaming_log; +node_uuid trx_id seqno flags frag +SELECT * FROM t1; +f1 +DROP TABLE t1; +SET DEBUG_SYNC = 'RESET'; +disconnect node_2; +connect node_2, 127.0.0.1, root, , test, $NODE_MYPORT_2; diff --git a/mysql-test/suite/galera_sr/t/MDEV-27615.test b/mysql-test/suite/galera_sr/t/MDEV-27615.test new file mode 100644 index 00000000000..121a85fb20c --- /dev/null +++ b/mysql-test/suite/galera_sr/t/MDEV-27615.test @@ -0,0 +1,72 @@ +# +# MDEV-27615 - Assertion `server_id.is_undefined() == false' +# failed in wsrep::transaction::certify_fragment() +# + +--source include/galera_cluster.inc +--source include/have_debug_sync.inc + +--let $node_1=node_1 +--let $node_2=node_2 +--source suite/galera/include/auto_increment_offset_save.inc + +--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2 + +--connection node_2 +CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB; + +# +# Set debug sync point right before the assert +# +SET DEBUG_SYNC='wsrep_before_fragment_certification SIGNAL before_fragment WAIT_FOR continue'; + +SET SESSION wsrep_trx_fragment_size=1; +START TRANSACTION; +--send INSERT INTO t1 VALUES (1); + + +# +# Disconnect node_2 from cluster +# +--connection node_2a +SET SESSION wsrep_sync_wait = 0; +--let $node_2_cluster_address = `SELECT @@wsrep_cluster_address` +SET DEBUG_SYNC='now WAIT_FOR before_fragment'; +SET GLOBAL wsrep_cluster_address = ''; + +--let $wait_condition = SELECT VARIABLE_VALUE = 'Disconnected' FROM information_schema.global_status WHERE VARIABLE_NAME = 'wsrep_cluster_status'; +--source include/wait_condition.inc +SET DEBUG_SYNC = 'now SIGNAL continue'; + + +# +# Disconnect causes connection to node_2 to be closed +# +--connection node_2 +--error 2013 # CR_SERVER_LOST +--reap + + +# +# Reconnect node 2 +# +--connection node_2a +--disable_query_log +--eval SET GLOBAL wsrep_cluster_address = '$node_2_cluster_address'; +--enable_query_log +--source include/wait_wsrep_ready.inc + +# +# Expect the transaction to be rolled back and cleanup +# +SELECT * FROM mysql.wsrep_streaming_log; +SELECT * FROM t1; + +DROP TABLE t1; +SET DEBUG_SYNC = 'RESET'; + +--disconnect node_2 +--connect node_2, 127.0.0.1, root, , test, $NODE_MYPORT_2 + + +--source suite/galera/include/auto_increment_offset_restore.inc diff --git a/wsrep-lib b/wsrep-lib index da5098b622b..edd141127c1 160000 --- a/wsrep-lib +++ b/wsrep-lib @@ -1 +1 @@ -Subproject commit da5098b622bc6f92c9265bacf4c1168fd69b38b5 +Subproject commit edd141127c11d78ef073f9f3ca61708821f20b32