Re: NIC Stability Problems Under Xen 4.4 / CentOS 6 / Linux 3.18

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On 01/26/2017 09:32 AM, Johnny Hughes wrote:
> On 01/25/2017 11:49 AM, Kevin Stange wrote:
>> On 01/24/2017 11:16 AM, Kevin Stange wrote:
>>> On 01/24/2017 09:10 AM, Konrad Rzeszutek Wilk wrote:
>>>> On Tue, Jan 24, 2017 at 09:29:39PM +0800, -=X.L.O.R.D=- wrote:
>>>>> Kevin Stange,
>>>>> It can be either kernel or update the NIC driver or firmware of the NIC
>>>>> card. Hope that helps!
>>>>>
>>>>> Xlord
>>>>> -----Original Message-----
>>>>> From: CentOS-virt [mailto:centos-virt-bounces@xxxxxxxxxx] On Behalf Of Kevin
>>>>> Stange
>>>>> Sent: Tuesday, January 24, 2017 1:04 AM
>>>>> To: centos-virt@xxxxxxxxxx
>>>>> Subject:  NIC Stability Problems Under Xen 4.4 / CentOS 6 /
>>>>> Linux 3.18
>>>>>
>>> <snip>
>>>>>
>>>>> Has anyone experienced similar issues with this configuration, and if so,
>>>>> does anyone have tips on how to resolve the issues?
>>>>
>>>> Honeslty I would email Intel and see if they can help. This looks like
>>>> the NIC decides something is wrong, throws off an PCIe error and
>>>> then resets itself.
>>>
>>> This happens for several different NICs.  Is there a good contact at
>>> Intel for this kind of thing, or should I just try to reach them through
>>> their web site?
>>>
>>>> It could also be an error in the Linux stack which would "eat" an
>>>> interrupt when migrating interrupts (which was fixed
>>>> upstream, see below). Are you running irqbalance? Could you try
>>>> turning it off?
>>>
>>> irqbalance is enabled on these servers.  I'll try disabling it.
>>
>> I had stopped irqbalance yesterday afternoon, but had a hypervisor's
>> NICs fail anyway in early morning this morning, so I'm pretty sure this
>> is not the right tree to bark up.
>>
> 
> Here is a set of drivers/fireware from Intel for those NICs:
> 
> https://downloadcenter.intel.com/download/15817/Intel-Network-Adapter-Driver-for-PCI-E-Gigabit-Network-Connections-under-Linux-
> 
> I will see if I can get a CentOS-6 build of the latest version of that
> from our older SRPM:
> 
> http://vault.centos.org/6.7/xen4/Source/SPackages/e1000e-2.5.4-3.10.68.2.el6.centos.alt.src.rpm
> 
> I am currently very busy with several c5, c6, c7 updates and the i686
> altarch c7 tree .. but I have this on my list.  In the meantime, maybe
> someone else could also see if those drivers help you (or you could try
> to compile / install it).
> 
> Do you have another machine that you can use to see if you can duplicate
> the issue NOT running the xen.gz hypervisor boot, but just the straight
> kernel?

Actually .. I think this is the driver for you:

https://downloadcenter.intel.com/download/13663

And this explains how to make it work:

http://www.intel.com/content/www/us/en/support/network-and-i-o/ethernet-products/000005767.html


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