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Date:      Wed, 18 Jan 2017 07:59:17 -0700
From:      Sean Bruno <sbruno@freebsd.org>
To:        "O. Hartmann" <o.hartmann@walstatt.org>
Cc:        freebsd-current <freebsd-current@freebsd.org>
Subject:   Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb pending
Message-ID:  <1abc7c08-8664-a22e-dcab-fa884acbfce9@freebsd.org>
In-Reply-To: <eba93bf8-2acf-d7bc-0192-10e75b7b993b@freebsd.org>
References:  <30f21c75-d3a2-edcd-1999-d5ed9f970c06@freebsd.org> <20170118083400.11156f23@freyja.zeit4.iv.bundesimmobilien.de> <eba93bf8-2acf-d7bc-0192-10e75b7b993b@freebsd.org>

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From: Sean Bruno <sbruno@freebsd.org>
To: "O. Hartmann" <o.hartmann@walstatt.org>
Cc: freebsd-current <freebsd-current@freebsd.org>
Message-ID: <1abc7c08-8664-a22e-dcab-fa884acbfce9@freebsd.org>
Subject: Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb
 pending
References: <30f21c75-d3a2-edcd-1999-d5ed9f970c06@freebsd.org>
 <20170118083400.11156f23@freyja.zeit4.iv.bundesimmobilien.de>
 <eba93bf8-2acf-d7bc-0192-10e75b7b993b@freebsd.org>
In-Reply-To: <eba93bf8-2acf-d7bc-0192-10e75b7b993b@freebsd.org>

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On 01/18/17 07:41, Sean Bruno wrote:
>=20
>=20
> On 01/18/17 00:34, O. Hartmann wrote:
>> On Thu, 5 Jan 2017 20:17:56 -0700
>> Sean Bruno <sbruno@freebsd.org> wrote:
>>>
>> On a Fujitsu Celsius M740, the "em0" device gets stuck on heavy I/O. I=
 can
>> still trigger this behaviour on recent CURRENT (12.0-CURRENT #17 r3123=
69: Wed
>> Jan 18 06:18:45 CET 2017 amd64) by rsync'ing a large poudriere ports
>> repository onto a remote NFSv4 fileserver. The freeze always occur on =
large
>> tarballs.
>>
>> Again, here is the pciconf output of the device:=20
>>
>> em0@pci0:0:25:0:        class=3D0x020000 card=3D0x11ed1734 chip=3D0x15=
3a8086
>> rev=3D0x05 hdr=3D0x00 vendor     =3D 'Intel Corporation'
>>     device     =3D 'Ethernet Connection I217-LM'
>>     class      =3D network
>>     subclass   =3D ethernet
>>     bar   [10] =3D type Memory, range 32, base 0xfb300000, size 131072=
, enabled
>>     bar   [14] =3D type Memory, range 32, base 0xfb339000, size 4096, =
enabled
>>     bar   [18] =3D type I/O Port, range 32, base 0xf020, size 32, enab=
led
>>
>> On another box. equipted with a dual-port Intel i350 NIC, the igb0 and=
 igb1 do
>> have negotiation problems with several types of switches (in my SoHo
>> environment, I use a Netgear GS110TP, at work there are several types =
of Cisco
>> Catalyst 3XXX types). The igbX very often fall back to 100MBit/s.
>>
>> Since yesterday, the igbX on that specific i350 basesd NIC (we have pl=
entz of
>> them and they show similar phenomena with FreeBSD), although the switc=
h reports
>> an uplink with 1 GBit, FreeBSD CURRENT shows this weird crap message:
>>
>>> igb0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 m=
tu
>>> 1500
>>> options=3D653dbb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN=
_HWCSUM,TSO4,LRO,WOL_UCAST,WOL_MCAST,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,R=
XCSUM_IPV6,TXCSUM_IPV6>
>>> ether xx:xx:xx:xx:xx:xx inet 192.168.0.111 netmask 0xffffff00 broadca=
st
>>> 192.168.0.255 nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>        media: Ethernet autoselect (100baseTX <full-duplex>)
>>>        status: active
>>

I just checked my test machines (which are auto/auto on the Juniper
EX4200 switches in use) and I see them come up with 1000baseTX.  Do you
set any options in /etc/rc.conf?

sean


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