[ 
https://issues.apache.org/jira/browse/DISPATCH-1475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16982821#comment-16982821
 ] 

ASF GitHub Bot commented on DISPATCH-1475:
------------------------------------------

codecov-io commented on issue #631: DISPATCH-1475: prevent I/O thread from 
accessing link during deletion
URL: https://github.com/apache/qpid-dispatch/pull/631#issuecomment-558797137
 
 
   # 
[Codecov](https://codecov.io/gh/apache/qpid-dispatch/pull/631?src=pr&el=h1) 
Report
   > Merging 
[#631](https://codecov.io/gh/apache/qpid-dispatch/pull/631?src=pr&el=desc) into 
[master](https://codecov.io/gh/apache/qpid-dispatch/commit/bab6dbc6a0a5cdf0aa52566c5512ddd401547546?src=pr&el=desc)
 will **increase** coverage by `0.05%`.
   > The diff coverage is `100%`.
   
   [![Impacted file tree 
graph](https://codecov.io/gh/apache/qpid-dispatch/pull/631/graphs/tree.svg?width=650&token=rk2Cgd27pP&height=150&src=pr)](https://codecov.io/gh/apache/qpid-dispatch/pull/631?src=pr&el=tree)
   
   ```diff
   @@            Coverage Diff             @@
   ##           master     #631      +/-   ##
   ==========================================
   + Coverage   86.46%   86.52%   +0.05%     
   ==========================================
     Files          91       91              
     Lines       20626    20628       +2     
   ==========================================
   + Hits        17834    17848      +14     
   + Misses       2792     2780      -12
   ```
   
   
   | [Impacted 
Files](https://codecov.io/gh/apache/qpid-dispatch/pull/631?src=pr&el=tree) | 
Coverage Δ | |
   |---|---|---|
   | 
[src/router\_core/delivery.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL3JvdXRlcl9jb3JlL2RlbGl2ZXJ5LmM=)
 | `89.37% <100%> (+0.19%)` | :arrow_up: |
   | 
[src/router\_core/forwarder.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL3JvdXRlcl9jb3JlL2ZvcndhcmRlci5j)
 | `93.95% <100%> (ø)` | :arrow_up: |
   | 
[src/router\_core/connections.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL3JvdXRlcl9jb3JlL2Nvbm5lY3Rpb25zLmM=)
 | `94.43% <100%> (+0.56%)` | :arrow_up: |
   | 
[src/router\_core/transfer.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL3JvdXRlcl9jb3JlL3RyYW5zZmVyLmM=)
 | `94.84% <100%> (+1.47%)` | :arrow_up: |
   | 
[src/iterator.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL2l0ZXJhdG9yLmM=)
 | `89.34% <0%> (-0.17%)` | :arrow_down: |
   | 
[src/router\_node.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL3JvdXRlcl9ub2RlLmM=)
 | `93.09% <0%> (-0.12%)` | :arrow_down: |
   | 
[src/container.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL2NvbnRhaW5lci5j)
 | `81.37% <0%> (+0.18%)` | :arrow_up: |
   | 
[src/parse.c](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree#diff-c3JjL3BhcnNlLmM=)
 | `87.86% <0%> (+0.22%)` | :arrow_up: |
   | ... and [1 
more](https://codecov.io/gh/apache/qpid-dispatch/pull/631/diff?src=pr&el=tree-more)
 | |
   
   ------
   
   [Continue to review full report at 
Codecov](https://codecov.io/gh/apache/qpid-dispatch/pull/631?src=pr&el=continue).
   > **Legend** - [Click here to learn 
more](https://docs.codecov.io/docs/codecov-delta)
   > `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
   > Powered by 
[Codecov](https://codecov.io/gh/apache/qpid-dispatch/pull/631?src=pr&el=footer).
 Last update 
[bab6dbc...8c5ee1c](https://codecov.io/gh/apache/qpid-dispatch/pull/631?src=pr&el=lastupdated).
 Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
   
 
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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
>             Fix For: 1.10.0
>
>         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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