Serious bugginess on Raspberry Pi

Eric S. Raymond esr at thyrsus.com
Wed Nov 18 19:09:24 UTC 2015


Hal Murray <hmurray at megapathdsl.net>:
> 
> I've seen this before but wasn't alert enough to figure out that it was 
> important since it worked everywhere else.  It's a general problem, nothing 
> specific to the Raspberry Pi.
> 
> The problem I've seen is that ntpd isn't listening on the local IPv6 address 
> that ntpq is sending on.  It's some combination of what's in /etc/hosts and 
> what ntpd is listening on.
> 
> Ah...  It's listening on :: rather than ::1
> $ netstat -uln
> Active Internet connections (only servers)
> Proto Recv-Q Send-Q Local Address           Foreign Address         State     
> 
> udp        0      0 192.168.1.3:123         0.0.0.0:*                         
> 
> udp        0      0 127.0.0.1:123           0.0.0.0:*                         
> 
> udp        0      0 0.0.0.0:123             0.0.0.0:*                         
> 
> udp6       0      0 :::123                  :::*                              
> 
> 
> The /etc/hosts I use (almost) everywhere doesn't have any IPv6 info so ntpq 
> gets 127.0.0.1 when it asks for localhost.

I am not quite clued in enough to see what fix or workaround this implies.

Modifying /etc/hosts for our convenience is a non-starter; do we need to
mine it to figure out what address to listen on?
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>


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