netmap crash on ubuntu 14.04 after weeks of continuous use

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What steps will reproduce the problem?
1.Run tcpreplay (4.0.5) using netmap and ixgbe continuously
2.Issue could take a long time (weeks) to reproduce
3.Eventually, stack traces can be seen in syslog, any applications invoking 
netmap would hang

What is the expected output? What do you see instead?


What version of the product are you using? On what operating system?
OS: Ubuntu 14.04
Netmap: latest primary repo

Please provide any additional information below.

Stack trace attached 

Original issue reported on code.google.com by morgan.y...@gmail.com on 5 Jan 2015 at 11:44

Attachments:

• netmap_ixgbe_strace.txt