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MDEV-21509: Work around occasional lost DEBUG_SYNC

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This commit is contained in:
Marko Mäkelä
2020-01-24 14:43:19 +02:00
parent 26a46444b4
commit ac3e3e12ad
2 changed files with 10 additions and 4 deletions
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4
mysql-test/suite/innodb/r/innodb_bug30113362.result
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@@ -63,11 +63,11 @@ SET DEBUG_SYNC = 'now WAIT_FOR roll1_wait';
COMMIT; COMMIT;
SET DEBUG_SYNC = 'now SIGNAL roll2'; SET DEBUG_SYNC = 'now SIGNAL roll2';
connect con1,localhost,root,,; connect con1,localhost,root,,;
SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting'; SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting TIMEOUT 1';
SET DEBUG_SYNC = 'rw_s_lock_waiting SIGNAL lockwait1'; SET DEBUG_SYNC = 'rw_s_lock_waiting SIGNAL lockwait1';
SELECT a00 FROM t1 WHERE a00 = 'bii'; SELECT a00 FROM t1 WHERE a00 = 'bii';
connection default; connection default;
SET DEBUG_SYNC = 'now WAIT_FOR lockwait1'; SET DEBUG_SYNC = 'now WAIT_FOR lockwait1 TIMEOUT 1';
SET DEBUG_SYNC = 'now SIGNAL resume'; SET DEBUG_SYNC = 'now SIGNAL resume';
connection con1; connection con1;
a00 a00

10
mysql-test/suite/innodb/t/innodb_bug30113362.test
View File

@@ -106,12 +106,18 @@ COMMIT;
SET DEBUG_SYNC = 'now SIGNAL roll2'; SET DEBUG_SYNC = 'now SIGNAL roll2';
connect (con1,localhost,root,,); connect (con1,localhost,root,,);
SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting'; # FIXME: This occasionally times out!
--disable_warnings
SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting TIMEOUT 1';
--enable_warnings
SET DEBUG_SYNC = 'rw_s_lock_waiting SIGNAL lockwait1'; SET DEBUG_SYNC = 'rw_s_lock_waiting SIGNAL lockwait1';
send SELECT a00 FROM t1 WHERE a00 = 'bii'; send SELECT a00 FROM t1 WHERE a00 = 'bii';
connection default; connection default;
SET DEBUG_SYNC = 'now WAIT_FOR lockwait1'; # FIXME: This occasionally times out!
--disable_warnings
SET DEBUG_SYNC = 'now WAIT_FOR lockwait1 TIMEOUT 1';
--enable_warnings
# bug#30113362 caused deadlock # bug#30113362 caused deadlock
SET DEBUG_SYNC = 'now SIGNAL resume'; SET DEBUG_SYNC = 'now SIGNAL resume';