> On 25 Jun 2017, at 17:14, Ryan Stone <ryst...@gmail.com> wrote:
> 
> Is this setup using the mlx4_en driver?  If so, recent versions of that 
> driver has a regression when using MTUs greater than the page size (4096 on 
> i386/amd64).  The bug will cause the card to drop packets when the system is 
> under memory pressure, and in certain causes the card can get into a state 
> when it is no longer able to receive packets.  I am working on a fix; I can 
> post a patch when it's complete.

Thank you very much for your feedback Ryan.

Yes, my system is using mlx4_en driver, the one directly from FreeBSD 11.0 
sources tree.
Any indicator I could catch to be sure I'm experiencing the issue you are 
working on ?

Sounds like anyway I may be suffering from it...
Of course I would be glad to help testing your patch when it's complete.

Thank you again,

Ben

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