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https://issues.apache.org/jira/browse/ARROW-18240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17638800#comment-17638800
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Dewey Dunnington commented on ARROW-18240:
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I *think* that Thread #3 is the one that was launched to do "arrow stuff" since
it contains the calls to {{ExecPlanReader::ReadNext}} that I would expect. It's
suspicious that Thread #6 has an almost identical backtrace...I wonder if the R
package is accidentally launching two threads (it's not supposed to launch
additional threads once one has been dispatched).
> [R] head() is crashing on some nightly builds
> ---------------------------------------------
>
> Key: ARROW-18240
> URL: https://issues.apache.org/jira/browse/ARROW-18240
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Reporter: Dewey Dunnington
> Assignee: Dewey Dunnington
> Priority: Major
> Labels: pull-request-available
> Attachments: Screen Shot 2022-11-25 at 3.39.44 PM.png, Screen Shot
> 2022-11-25 at 3.40.54 PM.png
>
> Time Spent: 2h
> Remaining Estimate: 0h
>
> A few examples:
> -
> https://github.com/ursacomputing/crossbow/actions/runs/3368026889/jobs/5586109693#step:10:3813
> -
> https://github.com/ursacomputing/crossbow/actions/runs/3368024633/jobs/5586105172#step:9:3813
> I suspect this is because the HeadRecordBatchReader is resetting the
> shared_ptr to its parent...in ARROW-18174 we discovered that this was causing
> crashes in some places.
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