Thank you

Alfredo

> On 27 Jul 2016, at 12:30, Josiah White <[email protected]> wrote:
> 
> Hello,
> 
> I have opened the issue:
> https://github.com/ntop/PF_RING/issues/118 
> <https://github.com/ntop/PF_RING/issues/118>
> 
> Thanks again
> 
> On Wed, Jul 27, 2016 at 6:11 AM, Alfredo Cardigliano <[email protected] 
> <mailto:[email protected]>> wrote:
> Hi Josiah
> thank you for reporting,
> it seems to be due to a card reset (on this card model, setting the promisc 
> leads to a card reset),
> it should be handled by avoiding handling promisc state changes when the card 
> is in use, I will
> check it. Please open an issue on github to keep track of it.
> 
> Alfredo
> 
>> On 27 Jul 2016, at 11:42, Josiah White <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hello,
>> 
>> I am able to reproduce a kernel panic using the i40e-1.5.18-zc drivers.
>> When I have a PF_RING application running using an interface (in this case 
>> eth2)
>> If I run tcpdump on this interface at the same time, then exit tcpdump it 
>> will consistently cause a kernel panic. The logs indicate this happens when 
>> tcpdump tries to leave promiscuous mode.
>> From what I can see, the device resets when promiscuous mode is toggled 
>> which causes PF_RING to raise an error since the device is in use.
>> 
>> This is the kernel log of when it had happened:
>> http://hastebin.com/hibonigira.md <http://hastebin.com/hibonigira.md>
>> 
>> After this happens, the system hard-locks and requires physically rebooted.
>> 
>> Thanks
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