[nfe] DHCP failure on 8-stable

[enoch]

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.

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 at 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)
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