On 15/04/17 01:39, James Feeney wrote:
> It seems that, every so often, dnsmasq needs to be restarted - unless we blame
> WIDE dhcpv6.  Here, dnsmasq has been running for about a week, and a newly
> started dhcpv6 client will show things like this in the log:
> 
>  dhcp6c[412]: dhcp6_get_options: get DHCP option identity association, len 18
>  dhcp6c[412]:   IA_NA: ID=0, T1=0, T2=0
>  dhcp6c[412]: copyin_option: get DHCP option status code, len 2
>  dhcp6c[412]:   status code: no addresses
>  dhcp6c[412]: get_ia: make an IA: NA-0
>  dhcp6c[412]: update_ia: status code for NA-0: no addresses
>  dhcp6c[412]: update_ia: IA NA-0 is invalidated
>  dhcp6c[412]: remove_ia: remove an IA: NA-0
> 
> Restarting dnsmasq always makes things work again, for awhile, and the client
> log will show instead like:
> 
>  dhcp6c[412]: dhcp6_get_options: get DHCP option identity association, len 40
>  dhcp6c[412]:   IA_NA: ID=0, T1=1800, T2=3150
>  dhcp6c[412]: copyin_option: get DHCP option IA address, len 24
>  dhcp6c[412]: copyin_option:   IA_NA address: 2604:dead:beef:cafe::01
> pltime=3600 vltime=3600
>  dhcp6c[412]: dhcp6_get_options: get DHCP option status code, len 9
>  lapis dhcp6c[412]:   status code: success
> 
> I've mentioned this on the mailing list from time to time, but no response 
> yet.
> If anyone has ideas about how to debug dnsmasq when it begins sending an empty
> Nontemporary Address, please let me know.
> 
> Arch Linux
> dnsmasq 2.76-4
> 
> 

It would be useful if you turned on the dnsmasq option --log-dhcp and
posted the contemporaneous logs from dnsmasq.


Cheers,

Simon.


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