Hi,

I have observed random crashs in zeromq, for example in mailbox::recv() at assert(ok), and double disconnect sequences on servers when monitoring is active
    - event_accepted(fd, addr)
    - event_disconnected(fd, addr)
    - a second event_disconnectd(same fd, addr) sometimes later.

The attached test programs exhibits the issue after a few minutes. The most frequent error is the double disconnect but another random crash may occur.
Start:
    ./tserver
    ./tclient

Tested on Centos 6.5 and 6.6, zeromq-3.2.4, czmq-2.0.3

Cheers,
Francis

Attachment: randcrash.tar.gz
Description: GNU Zip compressed data

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