Bug #57764 rpl_semi_sync fails sporadically: "master failed on net_flush()"
Submitted: 27 Oct 2010 9:40 Modified: 13 Dec 2010 7:58
Reporter: Sven Sandberg Email Updates:
Status: Closed Impact on me:
None 
Category:Tests: Replication Severity:S3 (Non-critical)
Version: OS:Any
Assigned to: Zhenxing He CPU Architecture:Any
Tags: net_flush, rpl_semi_sync, sporadic
Triage: Triaged: D3 (Medium) / R2 (Low) / E2 (Low)

[27 Oct 2010 9:40] Sven Sandberg
Description:
rpl_semi_sync failed with the following message:

rpl.rpl_semi_sync                        [ fail ]  Found warnings/errors in server log file!
        Test ended at 2010-10-02 14:36:16
line
101002 15:35:36 [ERROR] Semi-sync master failed on net_flush() before waiting for slave reply
101002 15:35:36 [ERROR] Semi-sync master failed on net_flush() before waiting for slave reply
101002 15:35:36 [ERROR] Semi-sync master failed on net_flush() before waiting for slave reply
101002 15:35:36 [ERROR] Semi-sync master failed on net_flush() before waiting for slave reply
101002 15:35:36 [ERROR] Semi-sync master failed on net_flush() before waiting for slave reply
101002 15:35:36 [ERROR] Semi-sync master failed on net_flush() before waiting for slave reply
101002 15:35:36 [ERROR] Semi-sync master failed on net_flush() before waiting for slave reply
^ Found warnings in /export/home/pb2/test/sb_1-2329680-1286019798.61/mysql-5.6.1-m4-freebsd7.0-x86_64-test/mysql-test/var-n_mix/log/mysqld.1.err
ok

How to repeat:
Read http://tinyurl.com/2vrwn7b
[1 Nov 2010 8:41] Zhenxing He
This error is supposed to happen for this test case, should add rules to suppress the warnings.
[4 Nov 2010 8:20] 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/122795

3324 He Zhenxing	2010-11-04
      BUG#57764 rpl_semi_sync fails sporadically: "master failed on net_flush()"
      
      This is expected error for rpl_semi_sync.test, fixed the problem
      by suppressing the error.
[17 Nov 2010 9:01] 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/124112

3346 He Zhenxing	2010-11-17 [merge]
      Auto merge patch for BUG#57764
[17 Nov 2010 9:11] Zhenxing He
Pushed to trunk-bugfixing
[5 Dec 2010 12:42] Bugs System
Pushed into mysql-trunk 5.6.1 (revid:alexander.nozdrin@oracle.com-20101205122447-6x94l4fmslpbttxj) (version source revid:alexander.nozdrin@oracle.com-20101205122447-6x94l4fmslpbttxj) (merge vers: 5.6.1) (pib:23)
[13 Dec 2010 7:58] Jon Stephens
Issue was in test code only; no changelog entry required. Closed without further action.