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ID Category Severity Reproducibility Date Submitted Last Update
0000072 [MyDNS-NG] Global minor always 2013-02-13 21:47 2014-08-07 19:00
Reporter jushal View Status public  
Assigned To jameno123
Priority low Resolution open  
Status acknowledged   Product Version
Summary 0000072: mydns- ipv6_listener bind failed
Description running on Centos6 64 bits.

When starting a server with ipv6 network configuration mydns won't start on boot.
When disabling ipv6 there is no issue.
Additional Information reproduce:

/etc/init.d/mydns stop; /etc/init.d/network restart; /etc/init.d/mydns start

Feb 6 16:34:44 auth3 mydns[2823]: ipv6_listener: bind on socket 6
(UDP): failed 2002:1af9:4040:a012:2::53+53: Cannot assign requested address

(ipv6 address mentioned here is fake)

After some test it seems like there needs to be some time between the network and mydns startup

/etc/init.d/mydns stop; /etc/init.d/network restart; sleep 5; /etc/init.d/mydns start
Tags No tags attached.
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-  Notes
jameno123 (administrator)
2014-08-05 23:47

This really isnt a mydns bug per-se except for the fact that it doesnt handle it gracefully. Ill see if i can find a way to make it silently ignore the fact that the address cant be bound, and bind it automatically when it becomes available.

Most (network) programs will "exit", if the network interface you explicitly specific to bind to is not available -- this is what is happening here.

May also be able to set a network-up dependancy order on the rc scripts possibly. Will look into ways to fix it and report back at some point. Deescalation the priority of this for now - will attempt a fix as time permits.

- Issue History
Date Modified Username Field Change
2013-02-13 21:47 jushal New Issue
2014-08-05 23:47 jameno123 Note Added: 0000205
2014-08-05 23:47 jameno123 Assigned To => jameno123
2014-08-05 23:47 jameno123 Status new => acknowledged
2014-08-05 23:47 jameno123 Priority normal => low
2014-08-07 19:00 jameno123 version =>
2014-08-07 19:00 jameno123 Target Version => 1.2.9

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