That's really weird.

   - How are you measuring performance? iperf?
   - Are you able to put a Ubuntu/other OS directly on the R740 and
   validate the performance?

We have a lot of X710 with various firmware and I have never seen something
like this.

On Mon, Mar 14, 2022 at 2:49 PM Matthew Weiner <mlwei...@lakelandschools.org>
wrote:

> I'll give that a try after my day ends, just in case it drops the link.  I
> had a problem before where I changed some offload settings using ethtool
> and the links went hard down and the only way I could bring them back up
> was a reboot.  I'll let you the results after I make the change.
>
> My kernel is 4.19.0+1 - it's Citrix Hypervisor (formerly XenServer) 8.2
> LTSR.
>
>
>
> On Mon, Mar 14, 2022 at 1:21 PM Jesse Brandeburg <
> jesse.brandeb...@intel.com>
> wrote:
>
> > On 3/14/2022 8:28 AM, Kevin Bowling wrote:
> > > Fortville (700) has always been a bit of a disaster
> > > (https://cdrdv2.intel.com/v1/dl/getContent/331430?explicitVersion=true
> ),
> > > I'd see if you can press your Intel reps into getting you the 550s or
> > > the 800-series NICs for the unnecessary troubles it's a much nicer
> > > design.
> > >
> > > It's surprising they are shipping new cards with that old of a
> > > firmware, you should be on 8.50 for the driver you are running
> > > (
> >
> https://www.intel.com/content/www/us/en/download/18635/non-volatile-memory-nvm-update-utility-for-intel-ethernet-adapters-700-series-linux.html
> > ).
> > > Doing the FW update is worth a shot but most issues I've seen have
> > > been driver related and you are running a pretty recent driver.
> > >
> > > Regards,
> > > Kevin
> > >
> > > On Mon, Mar 14, 2022 at 7:44 AM Matthew Weiner
> > > <mlwei...@lakelandschools.org> wrote:
> > >>
> > >> I'm at my wits end with this, Citrix is stumped, Dell is stumped, and
> > with
> > >> the supply chain issues the way they are we can't just yank these out
> in
> > >> favor of X550s.  The problem is we have a group of Dell R740s with
> X710
> > >> dual-port NICs and the performance is, in a word, awful.  Like 5-6
> > megabit
> > >> upload and 250 megabit download awful.  However, identical server
> > hardware
> > >> with any other card, be it a Broadcom or an Intel X550T, no issues.
> We
> > can
> > >> get line rate all day long.  The latest attempt was swapping the X710
> > for a
> > >> newer X710-T2L-t, which performed maybe 5-10 percent better.  We've
> > tried
> > >> three different driver revisions, firmware, BIOS, all the available
> > >> Hypervisor updates, it still performs the same.
> > >>
> > >> The servers in question have X550s on the motherboard mezzanine card
> > which
> > >> perform fine, and a single dual-port X710 in the PCIe riser.  The X710
> > is
> > >> set up with an LACP pair trunked with three VLANs tagged across it.
> In
> > >> this pool we also have servers with X550s on the PCIe cards, and
> > >> Broadcoms.  All those with an identical configuration perform without
> > >> issue, it's only the X710s that show this problem.
> >
> > Hi Matt, sorry to hear about this problem. Let's poke a bit (please be
> > patient with me) and see if we can help you.
> >
> > Have you followed the steps like located here:
> >
> >
> https://www.thomas-krenn.com/en/wiki/Intel_Ethernet_700_Series_LACP_Configuration
> >
> > As there are definitely known problems with LACP mode and the driver's
> > default settings.
> >
> > You can try the above workaround and see if it helps. If that does help,
> > then there are ways to make the settings get applied by ethtool as the
> > system comes up.
> >
> > Please let us know how it goes.
> >
> > It would be helpful to know what kernel you're running, just for good
> > measure.
> >
> > PS. You may want to subscribe to e1000-devel as it is currently holding
> > your messages because you're not a subscriber, and they have to be
> > manually released.
> >
>
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>

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