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Date:      Mon, 2 Apr 2012 19:32:25 -0700
From:      YongHyeon PYUN <pyunyh@gmail.com>
To:        enoch <ixew@hotmail.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: [nfe] DHCP failure on 8-stable
Message-ID:  <20120403023225.GD3571@michelle.cdnetworks.com>
In-Reply-To: <jlblna$ptp$1@dough.gmane.org>
References:  <jl3lp1$lla$1@dough.gmane.org> <20120330233819.GC7325@michelle.cdnetworks.com> <4F75C5EC.6090303@hotmail.com> <20120402195215.GA3571@michelle.cdnetworks.com> <jlblna$ptp$1@dough.gmane.org>

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On Mon, Apr 02, 2012 at 03:50:02AM -0400, enoch wrote:
> On 04/02/2012 03:52 PM, YongHyeon PYUN wrote:
> > On Fri, Mar 30, 2012 at 10:40:44AM -0400, enoch wrote:
> >> On 03/30/2012 19:38, YongHyeon PYUN wrote:
> >>> On Fri, Mar 30, 2012 at 03:01:52AM -0400, enoch wrote:
> >>>> Recently it became extremely difficult to pass the DHCP discovery step
> >>>> on boot. Now I am using the buggy [nve] instead.
> >>>>
> >>>> Can anyone help?
> >>>>
> >>>
> >>> Did you set synchronous_dhclient option in rc.conf? 
> >>>
> >>
> >> Yes: ifconfig_nfe0="SYNCDHCP"
> >>
> >> I guess [nfe] is undergoing gradual devel changes of some sort as before
> >> it had some chance of reporting "empty headers" on initial ifconfig and
> >> refusing to work. Sorry, I should have reported when encountering the
> >> first problems rather than solve by reboot.
> > 
> > Would you show me the output of both dmesg(nfe(4) and its PHY only)
> > and 'sysctl dev.nfe.0.stats'?
> > It would be also helpful to know whether nfe(4) still sees
> > incoming traffic.
> > Does assigning static IP work?
> > 
> 
> Static IP direct communication attempt from this desktop to another
> laptop through a crossover cable fails as follows. Thanks.
> 
> nfe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         options=82008<VLAN_MTU,WOL_MAGIC,LINKSTATE>
>         ether 00:1f:bc:00:19:dc
>         inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
>         media: Ethernet autoselect (1000baseT
> <full-duplex,flowcontrol,master,rxpause,txpause>)
>         status: active
> 
> nfe0: link state changed to UP
> nfe0: <NVIDIA nForce 430 MCP13 Networking Adapter> port 0xf200-0xf207
> mem 0xefffb000-0xefffbfff irq 21 at device 20.0 on pci0
> miibus1: <MII bus> on nfe0

It seems you've omitted PHY driver here. What PHY driver was
attached to nfe(4)?

> nfe0: Ethernet address: 00:1f:bc:00:19:dc
> nfe0: [FILTER]
> nfe0: discard frame w/o leading ethernet header (len 0 pkt len 0)
> nfe0: discard frame w/o leading ethernet header (len 0 pkt len 0)
> nfe0: link state changed to UP
> nfe0: discard frame w/o leading ethernet header (len 0 pkt len 0)
> nfe0: discard frame w/o leading ethernet header (len 0 pkt len 0)
> nfe0: discard frame w/o leading ethernet header (len 0 pkt len 0)
> 
> dev.nfe.0.stats.rx.frame_errors: 0
> dev.nfe.0.stats.rx.extra_bytes: 0
> dev.nfe.0.stats.rx.late_cols: 0
> dev.nfe.0.stats.rx.runts: 0
> dev.nfe.0.stats.rx.jumbos: 0
> dev.nfe.0.stats.rx.fifo_overuns: 0
> dev.nfe.0.stats.rx.crc_errors: 0
> dev.nfe.0.stats.rx.fae: 0
> dev.nfe.0.stats.rx.len_errors: 0
> dev.nfe.0.stats.rx.unicast: 56
> dev.nfe.0.stats.rx.multicast: 0
> dev.nfe.0.stats.rx.broadcast: 280
> dev.nfe.0.stats.tx.octets: 7517
> dev.nfe.0.stats.tx.zero_rexmits: 51
> dev.nfe.0.stats.tx.one_rexmits: 0
> dev.nfe.0.stats.tx.multi_rexmits: 0
> dev.nfe.0.stats.tx.late_cols: 0
> dev.nfe.0.stats.tx.fifo_underuns: 0
> dev.nfe.0.stats.tx.carrier_losts: 0
> dev.nfe.0.stats.tx.excess_deferrals: 0
> dev.nfe.0.stats.tx.retry_errors: 0
> 

Thanks. Would you show me the output of "pciconf -lcbv"?

> >>
> >> In any case, the alternative [nve] should be marked "dangerous" as under
> >> heavy load it tends to crash the system.
> >>
> >> Thanks, Enoch.
> >>
> >>>>
> >>>> uname -a
> >>>> ~~~~~~~~
> >>>> FreeBSD dome 8.3-PRERELEASE FreeBSD 8.3-PRERELEASE #7: Thu Mar 29
> >>>> 14:37:00 EDT 2012     root@dome:/usr/obj/usr/src/sys/DOME  amd64
> >>>>
> >>>> nfe0 fails at DHCPDISCOVER.
> >>>>
> >>>> ifconfig:
> >>>>
> >>>> nfe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> >>>> 	options=82008<VLAN_MTU,WOL_MAGIC,LINKSTATE>
> >>>> 	ether 00:1f:bc:00:19:dc
> >>>> 	inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
> >>>> 	media: Ethernet autoselect (100baseTX <full-duplex>)
> >>>> 	status: active
> >>>>
> >>>> lspci:
> >>>>
> >>>> 00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a3)
> > 
> > Because there are several MCP51 variants, "pciconf -lcbv" is more



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