Bug #40970 Errors from commit blocker are not logged.

Submitted: 24 Nov 2008 9:24 Modified: 11 Feb 2009 3:17
Reporter: Rafal Somla Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Backup Severity:S3 (Non-critical)
Version:6.0 source OS:Any
Assigned to: Jørgen Løland CPU Architecture:Any

[24 Nov 2008 9:24] Rafal Somla 
Description:
In the short synchronization phase during backup operation, transaction commits are blocked. This is done inside write_table_data() function (data_backup.cc) by calls to block_commits() and unblock_commits() functions. Although these functions detect errors, an error is not reported if it happens. Neither (un)block_commits() functions, nor the caller log an appropriate error message.

How to repeat:
Code inspection.
[1 Dec 2008 10:12] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/60262

2737 Jorgen Loland	2008-12-01
      Bug#40970 - Errors from commit blocker are not logged.
      
      If block_commits fails, an error is now logged. unblock_commits cannot fail.
[5 Dec 2008 8:41] Øystein Grøvlen 
Patch approved.
[5 Dec 2008 9:00] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/60694

2740 Jorgen Loland	2008-12-05
      Bug#40970 - Errors from commit blocker are not logged.
            
      If block_commits fails, an error is now logged. unblock_commits cannot fail.
[5 Dec 2008 9:22] Øystein Grøvlen 
Patch approved.
[5 Dec 2008 18:56] Chuck Bell 
Patch approved.
[15 Dec 2008 9:22] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/61644

2737 Jorgen Loland	2008-12-15
      Bug#40970 - Errors from commit blocker are not logged.
                  
      If block_commits fails, an error is now logged. unblock_commits cannot fail.
[15 Dec 2008 9:30] Jørgen Løland 
Pushed into mysql-6.0-backup Dec 15
[2 Feb 2009 16:07] Bugs System 
Pushed into 6.0.10-alpha (revid:sergefp@mysql.com-20090202090240-dlkxhmc1asrar5rl) (version source revid:sergefp@mysql.com-20090129100938-qvke7a9krg24l8pl) (merge vers: 6.0.10-alpha) (pib:6)
[11 Feb 2009 3:17] Paul DuBois 
Noted in 6.0.10 changelog.

For BACKUP DATABASE, errors from the commit blocker were not logged.

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