Maintained by: NLnet Labs

internal error: looping module stopped

Jacob Hoffman-Andrews
Mon Nov 6 22:42:07 CET 2017


Any further thoughts on what could be behind this issue?

Thanks,
Jacob

On 10/06/2017 03:15 PM, Jacob Hoffman-Andrews via Unbound-users wrote:
> I also got a number of these errors on an upgrade to Unbound 1.6.6, on a
> server doing about 100-300 qps. Similar config: use-caps-for-id, IPv6,
> DNSSEC. No non-default modules enabled. I also have a test harness where
> I can reproduce these. What additional information would be useful?
>
> On 09/20/2017 01:05 AM, Ralph Dolmans via Unbound-users wrote:
>> Hi Ales,
>>
>> Thanks for reporting. Do you have any non-default module enabled
>> (subnetcache, ipsecmod, respip, ..)?
>>
>> -- Ralph
>>
>> On 20-09-17 08:18, Aleš Rygl via Unbound-users wrote:
>>> Hello,
>>>
>>> While inspecting unbound logs after an upgrade to Unbound 1.6.0-3+deb9u1 I have found some errors like this:
>>>
>>> Sep 19 12:40:45 unbound[16337:22] error: internal error: looping module stopped
>>> Sep 19 12:40:45 unbound[16337:22] error: internal error: looping module stopped
>>> Sep 19 12:41:00 unbound[16337:21] error: internal error: looping module stopped
>>> Sep 19 12:41:00 unbound[16337:21] error: internal error: looping module stopped
>>> Sep 19 12:41:01 unbound[16337:4] error: internal error: looping module stopped
>>> Sep 19 12:41:01 unbound[16337:4] error: internal error: looping module stopped
>>> Sep 19 12:41:46 unbound[16337:2e] error: internal error: looping module stopped
>>> Sep 19 12:41:46 unbound[16337:2e] error: internal error: looping module stopped
>>> Sep 19 12:42:32 unbound[16337:29] error: internal error: looping module stopped
>>> Sep 19 12:42:32 unbound[16337:29] error: internal error: looping module stopped
>>> Sep 19 12:43:11 unbound[16337:2a] error: internal error: looping module stopped
>>> Sep 19 12:43:11 unbound[16337:2a] error: internal error: looping module stopped
>>>
>>> I have six instances of Unbound and I can see it on all of them. The load is up to 500qps, DNSSEC enabled, use-caps-for-id enabled, IPv6. 
>>>
>>> Thanks
>>>
>>> With regards
>>> Ales
>>>
>