Hi Hovsep
please provide the zbalance_ipc and pfcount command lines
and output (please do not run any other application in this test)

Regards
Alfredo

> On 13 Mar 2020, at 15:15, Hovsep Levi <[email protected]> wrote:
> 
> Here's what I've tried.
> 
> The interface driver looks ok, ixgbe cpu_affinity values use a CoreID on the 
> NUMA node.  RSS is 1,1
> 
> When zbalance_ipc is running you can see the point where the data pipeline to 
> the userspace app is established.  Even so multiple userspace apps cannot 
> access the data stream.  Suricata is complaining about invalid ioctls on each 
> zc interface.  PF_Ring tcpdump doesn't work either.  Same for pcount.
> 
> I suspected AppArmor although disabling it had no effect.  Kernel version 
> seems ok.
> 
> Not sure what else to try other than debugging.
> 
> 
> -Hovsep
> 
> 
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