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MDEV-7762 InnoDB: Failing assertion: block->page.buf_fix_count > 0 in buf0buf.ic line 730

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Analysis: debug only assertion I_S function (IS is XtraDB feature) is calling
buf_block_get_frame on any page it reads, which debug-asserts that the page is
buffer-fixed, which is not the case in I_S query.

Fixed by holding the buffer page mutex while the fields are read directly.
This commit is contained in:
Jan Lindström
2015-12-03 13:18:10 +02:00
parent 13ad179c96
commit 33589b25ef
4 changed files with 104 additions and 6 deletions
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64
mysql-test/suite/innodb/t/innodb_information_schema_tables.test Normal file
View File

@ -0,0 +1,64 @@
-- source include/have_innodb.inc
-- source include/not_embedded.inc
#
# MDEV-7762 InnoDB: Failing assertion: block->page.buf_fix_count > 0 in buf0buf.ic line 730
#
# Make sure that all supported information_schema tables are readable
# (actual result sets are not important).
#
CREATE TABLE t1 ENGINE=InnoDB AS SELECT * FROM mysql.help_topic;
--disable_query_log
--disable_result_log
BEGIN;
SELECT * FROM t1 FOR UPDATE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_TRX;
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS;
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS;
SELECT * FROM INFORMATION_SCHEMA.INNODB_CMP;
SELECT * FROM INFORMATION_SCHEMA.INNODB_CMP_RESET;
SELECT * FROM INFORMATION_SCHEMA.INNODB_CMPMEM;
SELECT * FROM INFORMATION_SCHEMA.INNODB_CMPMEM_RESET;
SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE_LRU;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_STATS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_RSEG;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_UNDO_LOGS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_STATS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_TABLE_STATS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_INDEX_STATS;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_ADMIN_COMMAND;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_POOL_PAGES;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_POOL_PAGES_INDEX;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_POOL_PAGES_BLOB;
--error 0,1109
SELECT * FROM INFORMATION_SCHEMA.INNODB_CHANGED_PAGES;
COMMIT;
--enable_query_log
--enable_result_log
DROP TABLE t1;