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Date:      Wed, 7 Aug 2019 17:53:44 +0000
From:      "Pieper, Jeffrey E" <jeffrey.e.pieper@intel.com>
To:        Greg Rivers <gcr+freebsd-stable@tharned.org>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject:   RE: Regression in IXGBE(4) on 12.0-RELEASE?
Message-ID:  <2A35EA60C3C77D438915767F458D6568B8F7FE5B@ORSMSX111.amr.corp.intel.com>
In-Reply-To: <1955050.cYikG52F1y@no.place.like.home>
References:  <15504838.vxEf1mJfsr@no.place.like.home> <e6940108-630e-e4cf-02a9-2fe35071c219@akhmatov.ru> <1955050.cYikG52F1y@no.place.like.home>

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Please file a PR @ https://bugs.freebsd.org/bugzilla/enter_bug.cgi

Thanks,
Jeff

-----Original Message-----
From: owner-freebsd-stable@freebsd.org <owner-freebsd-stable@freebsd.org> O=
n Behalf Of Greg Rivers
Sent: Wednesday, August 07, 2019 6:27 PM
To: freebsd-stable@freebsd.org
Cc: Sergey Akhmatov <sergey@akhmatov.ru>
Subject: Re: Regression in IXGBE(4) on 12.0-RELEASE?

On Wednesday, August 7, 2019 10:14:01 AM CDT Sergey Akhmatov wrote:
> $ freebsd-version
> 12.0-RELEASE-p7
>=20
> $ pciconf -lvc ix0
> ix0@pci0:17:0:0:        class=3D0x020000 card=3D0x7a128086 chip=3D0x10fb8=
086=20
> rev=3D0x01 hdr=3D0x00
>      vendor     =3D 'Intel Corporation'
>      device     =3D '82599ES 10-Gigabit SFI/SFP+ Network Connection'
>      class      =3D network
>      subclass   =3D ethernet
>      cap 01[40] =3D powerspec 3  supports D0 D3  current D0
>      cap 05[50] =3D MSI supports 1 message, 64 bit, vector masks
>      cap 11[70] =3D MSI-X supports 64 messages, enabled
>                   Table in map 0x20[0x0], PBA in map 0x20[0x2000]
>      cap 10[a0] =3D PCI-Express 2 endpoint max data 256(512) FLR RO NS
>                   link x8(x8) speed 5.0(5.0) ASPM disabled(L0s)
>      ecap 0001[100] =3D AER 1 0 fatal 0 non-fatal 1 corrected
>      ecap 0003[140] =3D Serial 1 90e2baffff809b08
>      ecap 000e[150] =3D ARI 1
>      ecap 0010[160] =3D SR-IOV 1 IOV disabled, Memory Space disabled,=20
> ARI disabled
>                       0 VFs configured out of 64 supported
>                       First VF RID Offset 0x0180, VF RID Stride 0x0002
>                       VF Device ID 0x10ed
>                       Page Sizes: 4096 (enabled), 8192, 65536, 262144,=20
> 1048576, 4194304
>=20
Thank you Sergey. Good call adding -c to list capabilities. There are some =
differences between your card and mine (I also added -e to list errors):

$ freebsd-version                                                          =
                                                                           =
                                                            12.0-RELEASE-p9

$ pciconf -lvce ix0
ix0@pci0:17:0:0:        class=3D0x020000 card=3D0x17d3103c 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
    cap 01[40] =3D powerspec 3  supports D0 D3  current D0
    cap 05[50] =3D MSI supports 1 message, 64 bit, vector masks enabled wit=
h 1 message
    cap 11[70] =3D MSI-X supports 64 messages
                 Table in map 0x1c[0x0], PBA in map 0x1c[0x2000]
    cap 10[a0] =3D PCI-Express 2 endpoint max data 256(512) FLR RO NS
                 link x8(x8) speed 5.0(5.0) ASPM disabled(L0s)
    cap 03[e0] =3D VPD
    ecap 0001[100] =3D AER 1 0 fatal 0 non-fatal 1 corrected
    ecap 0003[140] =3D Serial 1 48df37ffff62be38
    ecap 000e[150] =3D ARI 1
    ecap 0010[160] =3D SR-IOV 1 IOV disabled, Memory Space disabled, ARI en=
abled
                     0 VFs configured out of 64 supported
                     First VF RID Offset 0x0080, VF RID Stride 0x0002
                     VF Device ID 0x10ed
                     Page Sizes: 4096 (enabled), 8192, 65536, 262144, 10485=
76, 4194304
  PCI-e errors =3D Correctable Error Detected
                 Unsupported Request Detected
     Corrected =3D Advisory Non-Fatal Error

I confirmed that it's not just a difference between hosts; when I boot the =
11.3-RELEASE memstick image on this very same machine the NIC is properly c=
onfigured with all 8 queues. So it's almost certainly a difference between =
ixgbe driver versions. I don't know if it matters, but this is an HPE brand=
ed Intel NIC in a DL380 Gen10.

--
Greg


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