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Posted to dev@qpid.apache.org by "Gordon Sim (JIRA)" <qp...@incubator.apache.org> on 2008/09/09 19:21:44 UTC

[jira] Resolved: (QPID-1261) Deadlock when using rdma

     [ https://issues.apache.org/jira/browse/QPID-1261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gordon Sim resolved QPID-1261.
------------------------------

    Resolution: Fixed

Fixed by r693518, though this introduces a performance regression for shared queues with more than one consumer (see QPID-1280).

> Deadlock when using rdma
> ------------------------
>
>                 Key: QPID-1261
>                 URL: https://issues.apache.org/jira/browse/QPID-1261
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>    Affects Versions: M3
>            Reporter: Gordon Sim
>            Assignee: Gordon Sim
>             Fix For: M4
>
>
> The upcoming rdma transport uses a slightly different threading model and can deadlock due to the message lock being held across notify calls on consumers in qpid/broker/Queue.cpp (lock ordering issues with SessionState::lock).

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