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https://issues.apache.org/jira/browse/ARROW-12220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17321023#comment-17321023
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David Li commented on ARROW-12220:
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Note that another TSan failure was found possibly resulting from ARROW-12208:
https://github.com/ursacomputing/crossbow/runs/2340248774
> [C++][CI] Thread sanitizer failure
> ----------------------------------
>
> Key: ARROW-12220
> URL: https://issues.apache.org/jira/browse/ARROW-12220
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Antoine Pitrou
> Assignee: Weston Pace
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 6h
> Remaining Estimate: 0h
>
> It appears this is due to some tasks being spawned or transferred (by the
> background generator) while the thread pool is destroying at shutdown.
> See https://github.com/ursacomputing/crossbow/runs/2276268779#step:6:3414
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