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Date:      Wed, 25 Jan 2017 15:12:38 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-amd64@FreeBSD.org
Subject:   [Bug 216460] 82599ES 10-Gigabit SFI/SFP+ Network Connection link constantly falps
Message-ID:  <bug-216460-6@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216460

            Bug ID: 216460
           Summary: 82599ES 10-Gigabit SFI/SFP+ Network Connection link
                    constantly falps
           Product: Base System
           Version: 11.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: jlegato@gmail.com
                CC: freebsd-amd64@FreeBSD.org
                CC: freebsd-amd64@FreeBSD.org

We have a system running 11.0-RELEASE-p2 FreeBSD 11.0-RELEASE-p2 #0: Mon Oc=
t 24
06:55:27 UTC 2016  with using an Intel 82599 based Dual port SFP+ nic:

ix2@pci0:131:0:0:       class=3D0x020000 card=3D0x061115d9 chip=3D0x10fb808=
6 rev=3D0x01
hdr=3D0x00
    vendor     =3D 'Intel Corporation'
    device     =3D '82599ES 10-Gigabit SFI/SFP+ Network Connection'
    class      =3D network
    subclass   =3D ethernet

We're using an SFP+ SR optic with OM3 multimode fiber. We've configured the=
 ix2
interface with an IP and brought it up. No carrier is shown and no traffic
passes. We're finding that the link constantly moves between the UP/down st=
ate.
ix2: link state changed to UP
ix2: link state changed to DOWN
ix2: link state changed to UP
ix2: link state changed to DOWN
ix2: link state changed to UP



We are running driver version 3.13-k but have also tried the intel supplied=
=20
3.14 driver with no luck:

ix2: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 3.1.13-k> po=
rt
0xd020-0xd03f mem 0xfb880000-0xfb8fffff,0xfb904000-0xfb907fff irq 64 at dev=
ice
0.0 numa-domain 1 on pci11
ix2: Using MSIX interrupts with 9 vectors
ix2: Ethernet address: 0c:c4:7a:88:7d:58
ix2: PCI Express Bus: Speed 5.0GT/s Width x8
ix2: netmap queues/slots: TX 8/2048, RX 8/2048

We've tried a number of cables to eliminate a cable issue. The card works
without issue under Linux on the exact same hardware. We've also tried Free=
BSD
10.3 with the exact same results. Are hitting a known bug? If so is their a
workaround?

--=20
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