em3 no carrier

Tue Dec 17 22:24:14 UTC 2013

On Dec 17, 2013, at 10:51 PM, Claude Marinier <claude.marinier at cae.com> wrote:

> 
>>> -----Original Message-----
>>> From: Rodrigo Osorio [mailto:rodrigo at bebik.net]
>>> Sent: Tuesday, December 17, 2013 11:40 AM
>>> To: Claude Marinier
>>> Cc: freebsd-net at freebsd.org
>>> Subject: Re: em3 no carrier
>>> 
>>> Hi,
>>> 
>>> Can you give us more informations about the network card / chips ?
>>> Did you found any error in /var/log/ ?
>>> 
>>> - rodrigo
>> 
>> My apologies, I missed that bit of information.
>> 
>> Yes, there is an error in /var/log/messages.
>> 
>> Dec 17 11:33:07 WANemu bird: OSPF: Socket error on em3: No buffer space available
>> Dec 17 11:33:47 WANemu last message repeated 4 times
>> Dec 17 11:35:57 WANemu last message repeated 13 times
>> Dec 17 11:45:57 WANemu last message repeated 60 times
>> Dec 17 11:55:47 WANemu last message repeated 59 times
>> 
>> 
>> Also note that the HP NC364T uses an Intel 82571EB chipset.
>> 
>>> On 17/12/13 11:27 -0500, Claude Marinier wrote:
>>>> Hi,
>>>> 
>>>> This is a WAN emulator (ipfw, DummyNet, and BIRD). FreeBSD 9.2
>>>> Release (amd64) is running on DL360 G5 with a new NC364T quad-port
>>>> Ethernet NIC. I installed the new NIC yesterday. The four ports
>>>> are connected to routers in a lab.
>>>> 
>>>> FreeBSD WAMemu 9.2-RELEASE FreeBSD 9.2-RELEASE #0 r255898: Thu Sep 26 22:50:31 UTC 2013
>>>> root at bake.isc.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64
>>>> 
>>>> Dec 16 17:13:19 WANemu kernel: em3: <Intel(R) PRO/1000 Network Connection 7.3.8>
>>>> port 0x6020-0x603f mem 0xfdee0000-0xfdefffff,0xfde00000-0xfde7ffff irq 17 at
>>>> device 0.1 on pci22 Dec 16 17:13:19
>>>> WANemu kernel: em3: Using an MSI interrupt Dec 16 17:13:19
>>>> WANemu kernel: em3: Ethernet address: e8:39:35:13:21:6e
>>>> 
>>>> The four em interfaces are configured the same way (lines in rc.conf
>>>> are identical except for IP address.
>>>> 
>>>> ifconfig_em3="inet x.y.113.197/29 media 100baseTX mediaopt full-duplex"
>>>> ifconfig_em0="inet x.y.113.14/29 media 100baseTX mediaopt full-duplex"
>>>> ifconfig_em2="inet x.y.113.109/29 media 100baseTX mediaopt full-duplex"
>>>> ifconfig_em1="inet x.y.113.189/29 media 100baseTX mediaopt full-duplex"
>>>> 
>>>> The GE 0/1 port on the Cisco 2821 shows no link and ifconfig shows "no
>>>> carrier" for em3. Oddly, it also shows autoselect.
>>>> 
>>>> em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>>>    options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
>>>>    ether e8:39:35:13:21:6d
>>>>    inet x.y.113.14 netmask 0xfffffff8 broadcast x.y.113.15
>>>>    inet6 fe80::ea39:35ff:fe13:216d%em0 prefixlen 64 scopeid 0x1
>>>>    nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>>    media: Ethernet 100baseTX <full-duplex>
>>>>    status: active
>>>> em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>>>    options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
>>>>    ether e8:39:35:13:21:6c
>>>>    inet x.y.113.189 netmask 0xfffffff8 broadcast x.y.113.191
>>>>    inet6 fe80::ea39:35ff:fe13:216c%em1 prefixlen 64 scopeid 0x2
>>>>    nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>>    media: Ethernet 100baseTX <full-duplex>
>>>>    status: active
>>>> em2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>>>    options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
>>>>    ether e8:39:35:13:21:6f
>>>>    inet 131.140.113.109 netmask 0xfffffff8 broadcast 131.140.113.111
>>>>    inet6 fe80::ea39:35ff:fe13:216f%em2 prefixlen 64 scopeid 0x3
>>>>    nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>>    media: Ethernet 100baseTX <full-duplex>
>>>>    status: active
>>>> em3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>>>    options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO>
>>>>    ether e8:39:35:13:21:6e
>>>>    inet 131.140.113.197 netmask 0xfffffff8 broadcast 131.140.113.199
>>>>    inet6 fe80::ea39:35ff:fe13:216e%em3 prefixlen 64 scopeid 0x4
>>>>    nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>>    media: Ethernet 100baseTX <full-duplex> (autoselect)
>>>>    status: no carrier
>>>> 
>>>> I have tried three Ethernet cables with no difference. This morning,
>>>> I briefly booted Puppy Linux from USB and manually configured the four
>>>> Ethernet interfaces. They all work (ping good to all four routers);
>>>> the Cisco on em3 shows happy lights. I then booted back into FreeBSD,
>>>> the problem with em3 remains. I have not had any success searching with
>>>> Google; I may not have used suitable search terms.
>>>> 
>>>> One more odd symptom: bmon has trouble with these interfaces.
>>>> 
>>>> em0è95^S!m on WANemu
>>>>          Name
>>>> qqqqqqqqqqqqqqqqqqqqqqqq
>>>> WANemu (local)
>>>>  0   em0è95^S!m
>>>>  1   em1è95^S!l
>>>>  2   em2è95^S!o
>>>>  3   em3è95^S!n
>>>>  4   usbus0
>>>>  5   usbus1
>>>>  6   usbus2
>>>>  7   usbus3
>>>>  8   usbus4
>>>>  9   usbus5
>>>>  10  ipfw0
>>>>  11  lo0
>>>> 
>>>> It looks like FreeBSD is somehow mishandling these interfaces. Before
>>>> purchasing it, I searched with Google and found reports of people using
>>>> this device without problems. I do not know how to proceed.
>>>> 
>>>> Thank you for your help.
> 
> Oddly, replacing em3 with bce1 left the system with only two functionning
> interfaces. The order of the interface definitions in rc.local makes
> a difference. The worst order is bce1, em0, em2, em1 which left only
> em0 and em2 working. Changing the order to bce1, em0, em1, em2 allows
> the three 'em' interfaces to work. In both, bce1 is not working (no
> carrier). Changing the order to em0, em1, em2, bce1 did not improve
> the situation.
> 
> This is a WAN emulator and the rc.conf definitions are generated by the
> configuration program from site names, hence the odd order. I am changing
> the order manually.
> 
> I have reconfigured the Cisco router to use G0/0 instead of G0/1. This
> has made no noticeable difference.
Did you configure it to 100MBit, full-duplex?

Best regards
Michael
> 
> Does anyone know how to order the definitions?
> 
> --
> C Marinier
> 
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