Re: [gentoo-user] Upgrade of dhcpcd

[Rumen Yotov <rumen@qrypto.org>]

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On (31/03/08 11:14) econti wrote:
> Rumen Yotov ha scritto:
>> econti МапОÑ?а:
>>> Hi all, yesterday I upgraded dhcpcd, now at boot time I receive this 
>>> message:
>>>
>>> err, eth0: Failed to lookup hostname via DNS: Name or service not known
>>>
>>> Even so, the IP is correctly assigned by the router.
>>>
>>> Could anyone help me to understand? ;-)
>>>
>>> Bye
>>> emilio
>>>
>>>
>> Hi,
>>
>> Look at the new USE-flags, there are two IIRC - zeroconf vram
>> Specially vram in this case.
>> HTH. Rumen
>>
> I tried USE="-zeroconf": no result
> then USE="vram": no result
> then USE="-zeroconf vram": no result
>
> So I dowgraded dhcpcd to the previous version (2.0.5-r1): no more error 
> message. ;-(
>
> I'd like to understand.
>
> Bye
> emilio
>
> -- 
> gentoo-user@lists.gentoo.org mailing list
>
Hi,

Try switching Off both '-zeroconf -vram'.
From the dhcpcd-3.2.3 elog:
elog>  * ZeroConf support enabled
elog>  * DUID support enabled
elog>  * You have installed dhcpcd with zeroconf support.
elog>  * This means that it will always obtain an IP address even if no
elog>  * DHCP server can be contacted, which will break any existing
elog>  * failover support you may have configured in your net
configuration.
elog>  * This behaviour can be controlled with the -L flag.
elog>  * See the dhcpcd man page for more details.
elog>  * You have installed dhcpcd with DUID support.
elog>  * This means that we will generate a DUID in
/var/lib/dhcpcd/dhcpcd.duid
elog>  * This is generated from a MAC address of the card and a
timestamp.
elog>  * It will be used in every subsequent DHCP transaction, along
with a IAID
elog>  * in the ClientID option. This is required by RFC 4361.
elog>  * Some DHCP server implementations require a MAC address only in
the
elog>  * ClientID field. These DHCP servers should be updated to be RFC
elog>  * conformant. If you cannot do this, you can revert to the old
elog>  * behaviour by using the -I '' option OR building dhcpcd with the
elog>  * vram USE flag enabled.
...end...
HTH. Rumen

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