Created by Laurynas Biveinis on 2012-08-17 and last modified on 2012-08-19
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459. By Laurynas Biveinis on 2012-08-19

Fix bug 905334 (Intermittent innodb_bug56680 crash).

The cause is that the buffer pool mutex split added a temporary buffer
block mutex unlock to buf_LRU_free_block() but one its call sites in
buf_page_get_gen() failed to account for the possibility of block
pointing to another page after buf_LRU_free_block() returns due to
this unlock.

Fixed by checking that we indeed have the same page as before the
buf_LRU_free_block() call and retrying the read if that's not the

Adjusted the buf_LRU_free_block() header comment to reflect the

458. By Stewart Smith on 2012-07-31

merge Subunit.pm inclusion in source tarball

456. By Stewart Smith on 2012-07-02

merge innodb changed page tracking

455. By Stewart Smith on 2012-07-02

merge removal of lrusort.py

454. By Stewart Smith on 2012-07-02

merge fix for Bug #896439: Server started with skip-innodb crashes on SELECT * FROM INNODB_TABLE_STATS or INNODB_INDEX_STATS

453. By Stewart Smith on 2012-07-02

merge: Remove the very out of date XTRADB_ENHANCEMENTS INFORMATION_SCHEMA table. It's out of date so cannot be any use to anybody.

452. By Stewart Smith on 2012-07-02

merge fix for bug 951588 (Querying I_S.GLOBAL_TEMPORARY_TABLES or
TEMPORARY_TABLES crashes threads working with temp tables)

451. By Stewart Smith on 2012-07-02

merge fix for crash on table import from MySQL 5.0

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