Hi Michal
could you try to reproduce this issue with latest pf_ring from svn?

Thank you
Alfredo

On Apr 5, 2013, at 5:57 PM, Michal Purzynski <[email protected]> wrote:

> Hi,
> 
> I'm building a full packet capture IDS setup, using Security Onion (hence 
> pf_ring).
> 
> Every time I start snort I get a long kernel stack trace and a kernel panic - 
> literally in seconds.
> 
> The full panic capture is here: http://pastebin.com/sgLMrr49
> 
> Details:
> 
> It's a HP 360 G8 server with dual CPUs (12 cores), HT enabled, 16 GB of RAM 
> running Ubuntu 12.04. The system is updated, kernel 3.2.0-39-generic.
> 
> pf_ring version 5.5.2
> 
> NICs - two Intel X520-1 (82599EB chipset).
> 
> Traffic (more or less) - eth4 250Mbit/sec, 50Kpps. eth5 2Gbit/sec and 250Kpps.
> 
> The traffic is mirrored from a load balancers.
> 
> The same result is with distribution bundled drivers and hand build 3.14.5 
> loaded with LRO=0
> 
> Ethtool options are:
> 
> rx 4096
> 
> rx, tx, sg, tso, ufo, gso, lro - off
> 
> What's interesting -  I've once tried running the kernel as UP (nosmp option 
> during boot) and the system was stable (and crawling).
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