[MDEV-9450] OQGraph crash on shutdown Created: 2016-01-22  Updated: 2022-11-10  Resolved: 2022-11-10

Status: Closed
Project: MariaDB Server
Component/s: Storage Engine - OQGRAPH
Affects Version/s: 10.0.19
Fix Version/s: N/A

Type: Bug Priority: Major
Reporter: Heinz Wiesinger Assignee: Andrew McDonnell
Resolution: Cannot Reproduce Votes: 0
Labels: oqgraph

Attachments: File backtrace.log    
Issue Links:
Relates
relates to MDEV-8206 [PATCH] OQGraph crash caused by SELEC... Closed

 Description   

As a follow-up to MDEV-8206, MariaDB now crashes on shutdown (normal operation is fine). I managed to reproduce the crash with the same data files as attached there.

 Comments   
Comment by Elena Stepanova [ 2016-01-25 ]

Do you mean that it happens after applying pull requests mentioned in MDEV-8206?

Comment by Heinz Wiesinger [ 2016-01-25 ]

I don't think this crash is a consequence of the fix. I think that it just crashes earlier without the fix and we never reach this code.

Comment by Elena Stepanova [ 2016-01-25 ]

Yes, that's what I meant. Thanks.

Comment by Heinz Wiesinger [ 2016-06-18 ]

I just stumbled upon this by accident, but I saw commit https://github.com/MariaDB/server/commit/d158ba62f71ddcc09ecbaff9a73e456e62e2f2e8 and I think it solves this bug.
Maybe Sergei can verify earlier, since it's his commit. I'll try to run some tests ASAP and see how it goes.

Comment by Heinz Wiesinger [ 2016-06-20 ]

Tested today with MariaDB 10.0.25 and as far as I can see this looks indeed fixed. My previous test case succeeds, and no matter what else I throw at it, it runs stable

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