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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