[MDEV-14521] [ERROR] mysqld got signal 11 Created: 2017-11-28  Updated: 2017-11-28  Resolved: 2017-11-28

Status: Closed
Project: MariaDB Server
Component/s: Galera
Affects Version/s: 10.1
Fix Version/s: 10.1.30

Type: Bug Priority: Major
Reporter: Elizabeth Church Assignee: Unassigned
Resolution: Fixed Votes: 0
Labels: galera
Environment:

3 node MariaDB 10.1.21 Galera Cluster hosted on Ubuntu 14.04 (trusty)

Attachments: Text File CrashLogs-1120&1121(2).txt    
Issue Links:
Duplicate
duplicates MDEV-9510 Segmentation fault in binlog thread c... Closed

 Description   

Random crashes causing all 3 nodes to go down. Unable to determine root cause. Attaching crash logs. Please let me know if any additional information is needed. Thanks!

 Comments   
Comment by Daniel Black [ 2017-11-28 ]

Looks like MDEV-9510 which has a fix coming in 10.1.30

Comment by Elena Stepanova [ 2017-11-28 ]

Closing as it's presumably fixed in the upcoming 10.1.30 release, in the scope of MDEV-9510. If you keep experiencing the problem after upgrading to 10.1.30 or higher, please comment and the report will be re-opened.

Comment by Daniel Black [ 2017-11-28 ]

elenst, The backtrace from mariadb4 looks like something new and different from MDEV-9510. I coudn't see anything like it but could you check too please.

Comment by Elena Stepanova [ 2017-11-28 ]

danblack, there are examples of this kind, too, in the comments to MDEV-9510.
anikitin, would you like to triple-check that it's the same issue as MDEV-9510 (in all provided variations)?

Comment by Andrii Nikitin (Inactive) [ 2017-11-28 ]

The crashes in mark_xid_done definitely look like MDEV-9510; do_checkpoint_request still calls mark_xid_done explicitly : https://github.com/MariaDB/server/blob/1c4968f2f39ee7796853d70d71b061989293bacb/sql/log.cc#L6555 , so I don't see any sign why it can't be MDEV-9510. Additionally, the fix for MDEV-9510 is still "best effort", meaning that there is no logical guarantee that no similar crashes will happen. I don't see any way to prove or disprove that it is or isn't MDEV-9510. So I suggest to wait and see if anybody claims similar problems in version where 9510 is fixed.

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