Re: [E1000-devel] i40e: xl710 chipset in 4.8 kernel

[Yavuz S. K. <ko...@bi...>]

On Mon, 2016-11-21 at 14:47 -0800, Jesse Brandeburg wrote:
> On Sat, 19 Nov 2016 23:05:57 +0300
> Yavuz Selim Komur <ko...@bi...> wrote:
> 
> > Hi,
> > 
> > i40e drops all UDP traffic when upgrade to 4.8 from 4.7 linux
> > kernel.
> > 
> > all DHCP, DNS traffic stop. i40e not forwards any UDP.
> > 
> > is this possible
> 
> Hi Yavuz, please be more specific, as there may be some reason for
> your issue, but we can't tell from the data you provided.
> 

Hi Jesse,

http://keepalive.bcc.bilkent.edu.tr/map/ this is our topology, all node
back2back connected.


> output of:
> ethtool -i

upgrade to 5.04 using XL710_NVMUpdatePackage_v5_04_Linux.tar.gz
---
driver: i40e
version: 1.6.11-k
firmware-version: 5.04 0x800024ca 0.0.0
expansion-rom-version: 
bus-info: 0000:06:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
---

I had haven't enough time to check problem. I retested this morning in
little site.

I reduce to my problem too "few dhcp" from "no UDP". 
All node is a dhcp-relay.
> n.
> dmesg from boot
> after a few minutes of "no UDP" please dump ethtool -S output
> Are you plugged into a switch?
> 
> You should probably file a bug at https://e1000.sf.net/bugs so that
> you
> can attach files, as they won't be delivered well by the list.
> 
> Also, are you using a distro based kernel, and what is the exact
> kernel
> version you're using (output of uname -a)
> 
thank you for your attention.

i'm using Debian stretch. not a any modification.

(live) Linux sakaltutan 4.7.0-1-amd64 #1 SMP Debian 4.7.8-1 (2016-10-
19) x86_64 GNU/Linux

(test) linux-image-4.8.0-1-amd64_4.8.5-1_amd64.deb