> -----Original Message-----
> From: Christian Ruppert [mailto:id...@qasl.de]
> Sent: Thursday, October 08, 2015 7:34 AM
> To: Rose, Gregory V
> Cc: Fujinaka, Todd; e1000-de...@lists.sf.net
> Subject: RE: [E1000-devel] X710 / i40e interface resets
> 
> On 2015-10-08 16:23, Rose, Gregory V wrote:
> >> -----Original Message-----
> >> From: Christian Ruppert [mailto:id...@qasl.de]
> >> Sent: Wednesday, October 07, 2015 10:54 AM
> >> To: Rose, Gregory V
> >> Cc: Fujinaka, Todd; e1000-de...@lists.sf.net
> >> Subject: RE: [E1000-devel] X710 / i40e interface resets
> >>
> >> On 2015-10-07 18:49, Rose, Gregory V wrote:
> >> >> -----Original Message-----
> >> >> From: Christian Ruppert [mailto:id...@qasl.de]
> >> >> Sent: Wednesday, October 07, 2015 8:00 AM
> >> >> To: Rose, Gregory V
> >> >> Cc: Fujinaka, Todd; e1000-de...@lists.sf.net
> >> >> Subject: RE: [E1000-devel] X710 / i40e interface resets
> >> >>
> >> >
> >
> > [snip]
> >
> >> > Maybe, but first let me ask you if you're using the VEPA mode work
> >> > around for bonding?
> >> >
> >>
> >> No, just the basic bonding in 802.3ad mode. We don't use VEPA at all.
> >
> > Can you send me the output of the command "bridge link show"?
> 
> 3: eth0 state UP : <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 master
> bond0 hwmode VEPA
> 5: eth1 state UP : <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 master
> bond0 hwmode VEPA
> 
> hm, now that's interesting...

That is exactly what we want to see.  The XL710/X710 controllers have an 
internal switch for when SR-IOV mode is used so that all the VFs on that 
controller can communicate with each other across the bridge.  If the hwmode 
had been VEB then that would indicate a problem. However, you're in the correct 
internal switch mode for LACP operation.

Please try turning off TSO/GSO to see if that helps.

If not can I get you to enter a bug ticket at the Intel SF site?

Please include the following:

Results of 'ethtool -i' on each X710 interface.
Results of 'ehtool' on each X710 interface.
Results of 'ip link show' and 'ip addr show'.
The system log obtained via 'dmesg' *after* the error has occurred.

That should get us started.

Thanks!

- Greg

> 
> >
> > Thanks,
> >
> > - Greg
> 
> --
> Regards,
> Christian Ruppert

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