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

On Wed, 18 Jan 2017 07:59:17 -0700
Sean Bruno <sbruno_at_freebsd.org> wrote:

> 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
> 

No, I don't.

The line is:
ifconfig_igb0="inet 192.168.0.10 netmask 0xffffff00"

Nothing else.