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http://opencast.jira.com/browse/MH-7404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=25872#comment-25872
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Lovemore Nalube commented on MH-7404:
-------------------------------------
Update: from the Gstreamer mail list this error is caused by a
"pthread_mutex_destroy" error which arises under these situations
> man pthread_mutex_destroy
> ERRORS
> The pthread_mutex_destroy() function may fail if:
>
> EBUSY The implementation has detected an attempt to destroy
> the object referenced by mutex while it is locked
> or referenced (for example, while being used in a
> pthread_cond_timedwait() or pthread_cond_wait()) by
> another thread.
==================================
Apparently this can be solved by:
==================================
Last reference on your udpsrc is dropped while it is still running.
One of the mutex of udpsrc is locked, while being destroyed in the
dispose function of udpsrc.
As said : you need to explicitely set the udpsrc to NULL state before
dropping the final reference.
If you already set it to NULL before removing from pipeline, this means
you have a refcount problem somewhere.
see discussion at:
http://gstreamer-devel.966125.n4.nabble.com/What-does-this-GStreamer-error-mean-td973545.html
> Capture Agent crashes randomly
> ------------------------------
>
> Key: MH-7404
> URL: http://opencast.jira.com/browse/MH-7404
> Project: Matterhorn Project
> Issue Type: Bug
> Components: Capture (Devices and Software), QA and Release
> Affects Versions: 1.1
> Reporter: Lovemore Nalube
> Assignee: Christopher Brooks
> Priority: Critical
> Fix For: 1.1
>
>
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