dhcpcd-discuss

Hi Mike

On 08/01/2020 21:42, Mike Goodman wrote:
> Trying to retrieve an IPv6 allocation from a server host. dhcpcd appears to be 
> set up correctly and is running. However, running the command systemctl status 
> dhcpcd@enp1s0.service reports running OK then 10 identical lines containing "Jan 
> 08 22:21:54 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument"
>
> In response and following the ArchWiki dhcpcd page, I commented out the DUID 
> statement and uncommented the clientid statement in /etc/dhcpcd.conf, rebooted 
> and got the same response. Not at all sure it was the right thing to do and I 
> can always change it back again if wrong.
>
> The latest command and output:
>
> ~]# systemctl status dhcpcd@enp1s0.service
> * dhcpcd@enp1s0.service - dhcpcd on enp1s0
>       Loaded: loaded (/usr/lib/systemd/system/dhcpcd@.service; enabled; vendor p>
>       Active: active (running) since Wed 2020-01-08 21:54:21 CET; 28min ago
>      Process: 353 ExecStart=/usr/bin/dhcpcd -q -w enp1s0 (code=exited, status=0/>
>     Main PID: 409 (dhcpcd)
>        Tasks: 1 (limit: 4703)
>       Memory: 2.2M
>       CGroup: /system.slice/system-dhcpcd.slice/dhcpcd@enp1s0.service
>               `-409 dhcpcd: enp1s0 [ip4] [ip6]
>
> Jan 08 22:21:54 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:21:57 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:00 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:04 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:09 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:13 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:18 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:21 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:25 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
> Jan 08 22:22:30 sd-136208 dhcpcd[409]: ipv6_newaddr: Invalid argument
>
> This may be related to an earlier discussion regarding dhcpcd making multiple 
> rapid requests but I thought that had been fixed. Having said that, I am not 
> sure I followed the detail correctly as all this is very new to me.
>
> Could/would somebody please point me in the right direction on this?

At a guess you're running an Arch LTS kernel.
I don't support the unholy mess of an old kernel with new kernel headers.

If you're not, please state running kernel version and dhcpcd version.

Roy