[MDEV-4217] Galera crash executing SHOW STATUS LIKE 'wsrep_%'; Created: 2013-03-01  Updated: 2013-03-02  Resolved: 2013-03-02

Status: Closed
Project: MariaDB Server
Component/s: None
Affects Version/s: 5.5.28a-galera
Fix Version/s: 5.5.29-galera

Type: Bug Priority: Major
Reporter: Aleksey Sanin (Inactive) Assignee: Seppo Jaakola
Resolution: Fixed Votes: 0
Labels: galera
Environment:

CentOS


 Description   

see this one for details:

https://bugs.launchpad.net/codership-mysql/+bug/1136303

Quoting from the LP bug:

SET GLOBAL wsrep_provider="none";
 
SHOW STATUS LIKE 'wsrep_%';
 
 
 
SET GLOBAL wsrep_provider="/usr/lib64/galera/libgalera_smm.so";
 
SHOW STATUS LIKE 'wsrep_%';

Reproducible on current maria-5.5-galera revno 3386.

 Comments   
Comment by Elena Stepanova [ 2013-03-01 ]

Hi Aleksey,

For our better understanding of how people operate their Galera installations in real life: how did you run onto this problem? Is it in some circumstances a normal operation to turn off/on wsrep provider at runtime?

Comment by Aleksey Sanin (Inactive) [ 2013-03-01 ]

Absolutely not normal We were trying to figure out how to recover from a scenario when only one node left in the cluster in non-primary state.

Comment by Seppo Jaakola [ 2013-03-02 ]

also tracked here: https://bugs.launchpad.net/codership-mysql/+bug/1136303

Comment by Seppo Jaakola [ 2013-03-02 ]

Fix pushed in revision: http://bazaar.launchpad.net/~maria-captains/maria/maria-5.5-galera/revision/3387

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