On 2015-10-08 17:05, Rose, Gregory V wrote:
>> -----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.

That seems to help. No more resets. Do you want me to enable TSO or GSO 
again to see which one exactly cause those resets? Or do you want me to 
do anything else?

> 
> 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

-- 
Regards,
Christian Ruppert

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