Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb pending

From: Sean Bruno <sbruno_at_freebsd.org>
Date: Wed, 18 Jan 2017 07:59:17 -0700
On 01/18/17 07:41, Sean Bruno wrote:
> 
> 
> On 01/18/17 00:34, O. Hartmann wrote:
>> On Thu, 5 Jan 2017 20:17:56 -0700
>> Sean Bruno <sbruno_at_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 r312369: 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: 
>>
>> em0_at_pci0:0:25:0:        class=0x020000 card=0x11ed1734 chip=0x153a8086
>> rev=0x05 hdr=0x00 vendor     = 'Intel Corporation'
>>     device     = 'Ethernet Connection I217-LM'
>>     class      = network
>>     subclass   = ethernet
>>     bar   [10] = type Memory, range 32, base 0xfb300000, size 131072, enabled
>>     bar   [14] = type Memory, range 32, base 0xfb339000, size 4096, enabled
>>     bar   [18] = type I/O Port, range 32, base 0xf020, size 32, enabled
>>
>> 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 plentz of
>> them and they show similar phenomena with FreeBSD), although the switch reports
>> an uplink with 1 GBit, FreeBSD CURRENT shows this weird crap message:
>>
>>> igb0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>>> 1500
>>> options=653dbb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,LRO,WOL_UCAST,WOL_MCAST,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
>>> ether xx:xx:xx:xx:xx:xx inet 192.168.0.111 netmask 0xffffff00 broadcast
>>> 192.168.0.255 nd6 options=29<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


Received on Wed Jan 18 2017 - 13:59:21 UTC

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