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https://issues.apache.org/jira/browse/DISPATCH-1475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16982631#comment-16982631
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ASF GitHub Bot commented on DISPATCH-1475:
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kgiusti commented on pull request #631: DISPATCH-1475: prevent I/O thread from
accessing link during deletion
URL: https://github.com/apache/qpid-dispatch/pull/631
Fix includes consistently adding link to proper priority slot in
connections links_with_work array.
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> Seg fault in qdr_link_cleanup_CT after 12,400+ connections
> ----------------------------------------------------------
>
> Key: DISPATCH-1475
> URL: https://issues.apache.org/jira/browse/DISPATCH-1475
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Router Node
> Affects Versions: 1.9.0
> Environment: Two systems: Fedora 29
> Reporter: Charles E. Rolke
> Assignee: Ken Giusti
> Priority: Major
> Attachments: D-1475-2.txt, DISPATCH-1475-core-writeup.txt,
> reproducer-1475.tgz
>
>
> Running millions of messages on network described in DISPATCH-1474. This
> morning's dispatch master Debug build, and proton 0.29.0 Debug build.
> While a stream of unsettled multicast messages is flowing, then a separate
> process connects to EC1, receives a few messages, and then disconnects.
> Eventually the EC1 edge router seg faults with qdr_link_cleanup_CT receiving
> a conn=0x9999999999999999.
> This setup ran for hours before failing.
> For this command S_RECV is a softlink in my path for proton simple_receive.
> {{var=1; while true; do S_RECV -a $EC1_normal/multicast/q1 -m $var;
> var=$((var+1)); done}}
>
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