DNS problem

Sameer Naik sameer.subscriptions at damagehead.com
Sun Nov 11 22:05:59 PST 2012


Hello All,

I am also noticing the same issue. Except in my case, i am using a USB
wifi dongle.
If i unplug the usb dongle and plug it back in, dnsproxy is no longer
able to perform DNS resolutions.

Yevhen, my _TEMPORARY_ workaround for this is to disable use of
dnsproxy until this is fixed. This done by specifying the --nodnsproxy
option to the connmand command line.

Regards
~Sameer

On Sun, Nov 11, 2012 at 7:47 AM, Yevhen Kyriukha <kirgene at gmail.com> wrote:
> Hi!
>
> I connect to internet using 3G modem.
> For that purpose I use connman and ofono.
> I set "auto connect" property for my 3G connection, so that connman
> reconnects if connection is lost.
>
> The problem is when I connect to internet second and further times (after
> reconnection), I can't access any host by its name (only by IP address).
>
> I'm getting "Temprary failure in name resolution" error when I execute
> "wget ya.ru" command in console and the following messages in connman logs:
> ----------------------------
> connmand[3519]: src/dnsproxy.c:udp_listener_event() Received 23 bytes (id
> 0xc19a)
> connmand[3519]: src/dnsproxy.c:parse_request() id 0xc19a qr 0 opcode 0
> qdcount 1 arcount 0
> connmand[3519]: src/dnsproxy.c:parse_request() query ya.ru.
> connmand[3519]: src/dnsproxy.c:resolv() server 193.41.63.162 enabled 1
> connmand[3519]: src/dnsproxy.c:ns_resolv() Cannot send message to server
> 193.41.63.162 sock 17 protocol 17 (Invalid argument/22)
> connmand[3519]: src/dnsproxy.c:resolv() server 193.41.60.18 enabled 1
> connmand[3519]: src/dnsproxy.c:ns_resolv() Cannot send message to server
> 193.41.60.18 sock 18 protocol 17 (Invalid argument/22)
> connmand[3519]: src/dnsproxy.c:request_timeout() id 0xc19a
> ----------------------------
>
> I attached debug logs of connman and ofono to this message.
>
> --
> Best regards,
> Yevhen
>
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